BajaNomad

Container Home Construction Rancho Nuevo BCS

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RFClark - 11-8-2022 at 07:51 AM

WW,

We hope to have it finished in January ‘23

WestyWanderer - 11-8-2022 at 08:06 AM

Awesome, hope you hit the target.

Electrical, Hot water, Fire Sprinklers

RFClark - 11-11-2022 at 04:08 PM

This weeks additions GF Bathroom and Laundry are plumbed, GF electrical panel going in and sprinklers in the under house garage up and running.

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[Edited on 11-11-2022 by RFClark]

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[Edited on 11-11-2022 by RFClark]

Christmas is just around the corner!

RFClark - 11-17-2022 at 07:09 PM



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The front Door. After bondo and paint, the open spots are glass.

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Interior progress, insulation and durock.

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Addition of the 2nd inverter and 4 more batteries.

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Front Door Ready for Glass

RFClark - 11-22-2022 at 06:43 PM

We primed and bondoed the front door, sanded it and shot it with catalyzed automotive paint. It’s ready for glass and installation.

The double upstairs door is under construction. They will have the same look.

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surabi - 11-22-2022 at 07:09 PM

Do you realize the size of your glass panels are large enough for someone to smash and enter?

RFClark - 11-22-2022 at 07:27 PM

Yes, the place has lots of windows bigger and easer to break as well. We’ll look at security/hurricane screens after we have them installed.

Doors and Walls

RFClark - 11-26-2022 at 07:07 PM

Site built 2nd floor double doors installed

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The exterior walls are getting their foil and closed cell foam and durock panels in preparation for the final coat of white cement and painting.
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2nd Floor walls removed and more

RFClark - 12-3-2022 at 06:30 PM



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WestyWanderer - 12-3-2022 at 09:36 PM

Looking good. Can’t wait to see the finished product

surfhat - 12-4-2022 at 11:27 AM

Bravo RF Clark for sharing this innovative home building project with us.

Containers? What containers? We don't see no f' in containers. haha

It must be nice to see the containers hardly perceptible. Having such a strong foundation is a reward unto itself.

I have seen a number of other homes using these metal boxes that were quite inspiring. Taking on a relatively new home building material is something you could write a book about once you have some time for an historical perspective.

Knowing your foundation is not subject to bugs and sealed against rust is a comfort you can enjoy for years to come. Hurricane proof is almost a guarantee. It could take a tornado to move anything and Baja doesn't get them. Yet. haha


RFClark - 12-4-2022 at 11:59 AM

serfhat,

There isn’t as much information out there on using primarily metal and or concrete in container homes as you might hope for. Surprisingly many use a lot of wood. I actually prefer metal studs and concrete board over wood and drywall for it’s water resistance. Cement board is faster to finish than concrete block and makes less mess than drywall as well.

This project is really a composite of traditional concrete block and containers. In the end the containers will be covered with cement board over the double foil insulation.

The concrete block in the ground floor part is already covered. The insulation barrier makes a huge difference in wall temperature under direct sunlight. The sheet insulation on the inside make even more of a difference.

Next week’s pictures should show the ceiling grid in place on the 2nd level. At which point we will put up metal stud walls. That sort of construction goes a lot faster than cement block. Hanging cement board is about like hanging sheetrock.

More soon.

Again all are welcome to stop by if you’re in the area.

surabi - 12-4-2022 at 01:14 PM

A guy around the corner from me built a bunch of container homes. He was trying to make a business of it, but I'm not sure if he got that off the ground and he has since sold the place and moved.

The main problem with them that I heard about from people who rented the ones on his property was that they were moldy inside. So adequate ventilation is crucial.

[Edited on 12-4-2022 by surabi]

RFClark - 12-4-2022 at 01:46 PM

S,

Mold is a problem in humid climates. Containers have fewer air leaks than conventional construction. This can be an advantage (AC and heating) or a disadvantage (poor air quality). Air exchange (controlled) is important. Insulation and vapor barriers are also important. Using sealed cement board walls as well as cement and lath ceilings controls mold growth, but a lot of container homes are uninsulated with painted metal walls. (bad)

Another source of the moldy smell in Mexico can be caused by a lack of sink and shower drain traps and/or vents. (also bad)

Good window screens and good ventilation are important too.

There are lots of thing to consider.

AKgringo - 12-4-2022 at 02:41 PM

The paper used in manufacturing sheetrock is an excellent medium for mold growth, just add moisture. Your cement panels will be less of a problem.

surabi - 12-4-2022 at 03:04 PM

Quote: Originally posted by RFClark  
S,

Mold is a problem in humid climates. Containers have fewer air leaks than conventional construction. This can be an advantage (AC and heating) or a disadvantage (poor air quality). Air exchange (controlled) is important. Insulation and vapor barriers are also important. Using sealed cement board walls as well as cement and lath ceilings controls mold growth, but a lot of container homes are uninsulated with painted metal walls. (bad)

Another source of the moldy smell in Mexico can be caused by a lack of sink and shower drain traps and/or vents. (also bad)

Good window screens and good ventilation are important too.

There are lots of thing to consider.


Yes, it is definitely a humid climate where I live north of P.V. for many months of the year. Those container homes near me were insulated though, not just painted metal. You would die of heat prostration here in a metal box with no insulation or be spending a fortune on AC.

Those homes didn't just have a moldy smell, they had actual black mold on the walls. and they had proper sink and shower traps. I assume they just didn't have adequate ventilation.

RFClark - 12-4-2022 at 06:38 PM

S,

I’ve never had a mold problem outside of a shower and bleach fixed that. Drywall that’s not sealed correctly is prone to mold if the humidity is high. We had drywall in our beach house where the temperature and humidity was high all summer but it was sealed properly so no problem.

Cheap latex paint will actually grow mold.

This week’s progress

RFClark - 12-10-2022 at 05:02 PM

This week we removed the rest of the interior walls, installed 3/4 of the celling grid and added roof support posts. Next week we’ll start laying out the 2nd Fl electrical.

We also installed and interfaced the 2nd 240 split phase inverter giving us 12KW of 20AC. The lights don't flicker when we’re welding anymore!

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surfhat - 12-11-2022 at 10:33 AM

While I have been a surfer for decades since the 60's, I have never been a serf. Looking at the keyboard of my laptop, the u and e are not even close. ?????

Never mind, I can take a dig and even more when it is as clever as you came up with. Good one.

I appreciate your choice to use a solid container base for creating a unique home and sharing it with all of us here on Nomad. Hopefully your example will lead to others doing their own versions of container homes in Baja. Peace, love for Baja, and fish tacos.

RFClark - 12-11-2022 at 12:02 PM

SH,

Things like that happen when you get older, sorry! Serf is the short form of Spin Exchange Relaxation-Free Magnetometer! Who knew?

surfhat - 12-12-2022 at 09:48 AM

Spin exchange ? Who knew indeed. Perfect. No worries. Peace out.

Progress before La Navidad.

RFClark - 12-15-2022 at 07:03 PM

We are moving along. Downstairs door is in place. Glass due Saturday along with windows.

The shower pan is in and the first row of glass blocks are set.

The downstairs ceiling is prepped and ready to paint.

The ceiling grid upstairs is complete pictures tomorrow.

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After 6 weeks of work.

RFClark - 12-18-2022 at 03:35 PM

After this 6 weeks of work we have windows!

All the downstairs doors and windows are in. The floor will be poured while we’re gone.

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The frame for the first of 2 large picture windows is installed.

The ceiling grid is installed and the roof is being installed while we’re gone.

More pictures after Christmas.

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pacificobob - 12-18-2022 at 05:27 PM

I knew a Bering sea crab fisherman who burried a 40' conex (shipping container)
For use as an underground house on the Pacific side of Costa rica. I lost track of him shortly after he built it. He did comment on comfortable interior temperatures.

RFClark - 12-18-2022 at 05:37 PM

We are insulating the roof, walls and floor of the elevated part. Now that the ground portion has walls, doors and windows we’ll be able to evaluate how that works in practice. Air exchange is a big part of heating and cooling. We will have good control over that so we’ll see.

The theory is where we’re located the ground temperature stays in a reasonable range. We’ll see how that turns out and report back,

End of Year Progress

RFClark - 12-31-2022 at 05:30 PM

We started building in our house in July. We have made good progress because we worked through the summer. All the utilities are in and working. We have been using the solar almost exclusively for welding and construction. Today we finished the grid for the ceiling of the 2nd floor and installed the frame for the 2nd front window.

The counters in the kitchen should be done in about 2 weeks as well as the downstairs bathroom. (1st of 3).

All of you have a Happy New Year!

More pictures soon!

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2023 Pictures - New Windows

RFClark - 1-7-2023 at 09:23 PM

The doors come off next week.

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Ateo - 1-7-2023 at 09:26 PM

Stoked for you. This place is definitely gonna be great. Nice work.

RFClark - 1-7-2023 at 09:31 PM

Thanks! We’re making progress. Kitchen pictures next week!

mtgoat666 - 1-11-2023 at 07:17 AM

The exterior looks like stacked containers, looks blocky, visual aesthetic is “unsightly.” You gonna do something to make the exterior look better?

Kitchen and Window Progress

RFClark - 1-13-2023 at 09:25 PM


The first container door coming off this afternoon. The rest will come off tomorrow.
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All 4 of the east side windows were installed today.

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The kitchen counter and sinks are poured. The stove top is getting its final adjustments.

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The double sinks are almost ready.

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Upstairs the windows are in and insulation is being installed prior to the electrical going in.

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Saturday update, remove doors and install window plug 5 hrs!
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[Edited on 1-15-2023 by RFClark]

This weeks pictures

RFClark - 1-22-2023 at 05:58 PM


The large front windows on the 2nd floor are installed using laminated safety glass.
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Wall framing and door frame for South BR
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Wall framing and door frame for North BR
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advrider - 1-22-2023 at 07:11 PM

Looking good, hope you have an open house or two! :bounce::bounce::biggrin:

RFClark - 1-22-2023 at 09:17 PM

Big BBQ! All invited! Probably May - June. That said you’re welcome to stop by. We’re there most days.

This Weeks Pictures

RFClark - 1-29-2023 at 07:53 PM

First length of Teak rail cap made onsite.

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Close up of the rail cap
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This is what we built to cut the rail cap from the Teak planks
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2 views of the finished center floor upstairs
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Weather cap across the container doors and garage doors. Still needs final paint and roofing.
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Lots of progress this week but this picture explains the “why” in why we do this!

RFClark - 2-3-2023 at 07:05 PM

More pictures tomorrow!

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This Week’s Progress.

RFClark - 2-5-2023 at 08:20 PM


The doors are off!
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The shower is progressing
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The fans and AC are installed.
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The dishwasher is being installed.
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The oven is being installed
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The bathtub is in place and being installed.
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More Progress This Week

RFClark - 2-18-2023 at 09:11 PM

We’re covering the outside. We’re finishing the kitchen and Bathroom.


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WestyWanderer - 2-18-2023 at 09:56 PM

Looking good, the kitchen looks great. Thanks for the continued updates.

watizname - 2-20-2023 at 08:05 AM

One of the most interesting threads on Nomads. Always look forward to your progress pics.

Latest Pictures - We went North for 2 weeks

RFClark - 3-14-2023 at 11:58 AM

The project progressed while we were gone!

Kitchen painting, plumbing and counter sealing complete.


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West wall finished pending painting.



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North Wall finished pending painting and concrete stair steps poured.



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South Wall is almost ready for concrete. Not much container exposed now. Soon no container exposed!



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Pantry Floor done today. Just a few weeks ago this was bare container. Now the roof and walls are insulated and concrete painted white. The floor will be sealed concrete. This is how the upstairs container part of the house will be finished as well.



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Last 2 Solar Panel Racks ready to install.

Solar System 18 - 540W panels 2 - 6KW 240 VAC inverters and 3 - 4 100A 48V Li Ion batteries



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lewmt - 3-15-2023 at 08:52 AM

Man! It's really coming together! What a fun & engaging project. That is a lot of solar input!

RFClark - 3-16-2023 at 10:10 AM

The 18 solar panels allow us to run the AC and charge our car at the same time while still charging the batteries. We anticipate between 7-8KW midday between mid-March and October. The panels are flat mounted to take advantage of our location’s overcast summer weather and the fact that the sun actually travels north of here in summer.

soulpatch - 3-16-2023 at 12:15 PM

Super cool!

Sorry, I haven't revised the entire thread but you also are grid-connected?

Backup generator?

Congratulations on a cool project.

Finished container door end

RFClark - 3-16-2023 at 12:26 PM

The right container door has all the durock installed. You can compare it to the left side. Next step cement covering.

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Air compressor & plasma cutter both on solar. This is why you need 240VAC/48VDC inverters and lots of solar panels.



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Compressors and plasma cutters are difficult loads for small generators or 120VAC solar systems.


For 1/4” steel plate plasma is about 4 times faster cutting than abrasive wheel cutters. Plasma cutter $250 US.

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The outside Durock is all installed

RFClark - 3-24-2023 at 08:46 PM

The Durock (Cement Board) was installed on the East side today.

This picture shows container wall, insulation and Durock.



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This picture shows the completed south end with white cement and the East side completely covered. The 1st scratch coat of cement will be done tomorrow and finished in white cement next week.



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The work inside (electrical) continues.

David K - 3-25-2023 at 08:16 AM

Nice job. Interesting to see, thank you!

JDCanuck - 3-26-2023 at 07:09 AM

Quote: Originally posted by RFClark  
The 18 solar panels allow us to run the AC and charge our car at the same time while still charging the batteries. We anticipate between 7-8KW midday between mid-March and October. The panels are flat mounted to take advantage of our location’s overcast summer weather and the fact that the sun actually travels north of here in summer.


RFClark: We are especially interested in how your solar will meet your needs. We have about an equivalent sizing of panels as you for our fully electric home about 60 miles north of you on the pacific coast, but a fair bit more in batteries, and the total of 32,500 watt hours lithium battery storage seems about right when we get a string of cloudy days during winter months. So far with these batteries our generator has not been needed. I have some questions:
Are you also on grid power, or do you have a supplementary generator that will take excess loads, or a larger generator to recharge and carry full loads in case of solar system failures as we do?
Are you installing timers to spread the various loads out as excess solar is available and after battery storage is recharged?

[Edited on 3-26-2023 by JDCanuck]

RFClark - 3-26-2023 at 12:05 PM

JD,

We plan to go up to 20KW in battery storage eventually. Our heaviest load is our car charging (4KW) for 2.5 Hrs. We’ve done all our welding and cutting off the inverters since we installed them.

I calculate that we’ll ultimately have at least 8KW of solar power midday. Our 4 inverter ACs will draw around 4KW max giving us plenty of margin to charge and run the house. Currently with 2 of the 3 arrays installed we have over a KW of solar from 8:00 AM on.

We don’t have CFE in our area. We have a backup inverter propane plant that is rated at 9KW 240VAC. It will charge the batteries and carry our maximum AC load.

If we needed night time AC. I would run the generator until we turn in and then AC the bedroom(s) off the 12K btu mini-splits in each BR from the batteries.

Our San Felipe place has internet control of all the heavy loads. The new place has internet control of the ACs (Carrier AC). We really don’t have any other big loads that run automatically. We have a dishwasher which we run after 9:00 with a 90 min cycle. Hot water is propane on demand a few feet away from the DW so its water is quite hot. Max draw is about 900W for the DW.

JDCanuck - 3-27-2023 at 07:32 AM

Thanks RFC: Sounds to me like you have excess panels for what you plan as the hot water and stove appear to be on propane. Our hot water is all electric on 3 separate tanks totaling 60 gal and this is by far our largest loading. The induction/ convection stove and convection toasters are the second highest loads, but induction stovetop is extremely efficient and boils water in under 2 min as opposed to 4-5 on propane or electric element. I've considered putting in solar hot water heaters upstream of the electrics, but so far have not found a supplier willing to install out here. If I ever do this, I should have enough excess to charge a moderately sized BEV. Always something for the future. Do you have any experience with pressurized solar hot water heaters?

JDCanuck - 3-27-2023 at 07:48 AM

I am intrigued by the capabilities of the new 2-way charging and discharging EV's like the Lightning F-150 and the possibility of having them supply power to the home at a far cheaper cost than expanding the solar batteries when they are not being used for transport. So far only 2 or 3 suppliers have thought this one out, but I think it will become far more common in future. We have tried to keep our installed solar batteries minimalized for this reason. Sunrun requires an 80 amp charger circuit for this purpose with the Lightning.
Heres the concept:
https://www.ford.com/trucks/f150/f150-lightning/2022/feature...

[Edited on 3-27-2023 by JDCanuck]

JDCanuck - 3-27-2023 at 08:24 AM

"I calculate that we’ll ultimately have at least 8KW of solar power midday. Our 4 inverter ACs will draw around 4KW max giving us plenty of margin to charge and run the house. Currently with 2 of the 3 arrays installed we have over a KW of solar from 8:00 AM on."

If you have had the same installer as us for the solar, I suspect you will push out 9kw or more in summer at peaks, as we are getting over 10kw with just a bit more (4%) panels rating, and the daily output breaks above 60kwh at peaks if we can get the loading phased in to utilize it all. We have 24 - 445w panels installed, so the daily solar factor is just a bit over 6 in our location, we were expecting only 5 to 5.5. Over winter months, we found that dropped by about 1/3 at the most, and our panel orientation is not the best, shifted about 10 degrees to the west.

[Edited on 3-27-2023 by JDCanuck]

RFClark - 3-27-2023 at 12:01 PM

Electric hot water requires too much electricity even for a CFE house. We need propane for backup anyway. We also have induction plates we use when it’s hot. A heat pump water heater might be a good idea when the price comes down. You cant beat 11 Peso propane and $150 demand water heaters. Saves water too!

My calculations as to the max available are very rough. We mounted our panels flat because the sun is actually north of us at 22 degrees for a lot of the Spring, Summer and Fall. We also have low overcast often in the mornings and evenings.

Flat mounts work better in both cases. Less peak power when the sun is south of us but more hours per day. The less hours on batteries the longer they last. We generate power from sunrise to sunset on clear days. Our neighbors with south facing panels generate from about 8:30 - 17:00 right now. Flat panels survive high winds better as well.

We built and installed our own panel racks.

JDCanuck - 3-27-2023 at 12:25 PM

Yes, it may work better overall at a somewhat reduced angle, we too get excess solar generation from about 7:30 to18:00, recharging of batteries and additional loads from 8 to 17:30 as it needs to overcome internal system losses as well, which run around 220 watts 24 hr a day. 2 and 1/2 ton heat pumps are timed from 6:30 to 20:00 with enough battery power to run 2 bedroom 1 tons on extended cooling all night if desired, which will draw down the storage to about 35-50% before excess solar is available again the next day. These are winter factors, summer of course we will be more stingy on the cooling overnite, but we are seldom in occupancy at that time of year.
The surprising part this past year was the amount of heating it took overnite to maintain 23 degrees inside. I've been told it was an exceptionally cool year. In summer we find we adjust to 25 to 26 degrees inside and feel rather cool as the outdoor temps are significantly higher.


[Edited on 4-19-2023 by JDCanuck]

Interior walls (Finally!)

RFClark - 4-2-2023 at 12:01 PM

We are finally doing the upstairs interior. These shots are from the living room. There is a bedroom and bathroom on each side of the living room. The roof and perimeter of the 2nd floor are insulated and each of the Bedroom and bathroom areas are also insulated to allow operation of zone climate control as each area has its own mini split heat pump.

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[Edited on 4-2-2023 by RFClark]

Cooking a Holiday Dinner in our new kitchen

RFClark - 4-9-2023 at 10:00 PM


Home made chili rellenos for dinner from our new kitchen.Today is Sandy’s birthday too. I wish you all a happy whatever you celebrate and will have more construction pictures next week.
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We’re building exterior furniture as well as doors. The wood is domestic 1” Teak planks. It has a more interesting grain than the African Teak we’re using for hand rails.

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[Edited on 4-10-2023 by RFClark]

Visitors at our doorstep

RFClark - 4-18-2023 at 06:34 PM

We had visitors today. Our concrete guy said tacos and burritos de burro are all the rage in La Paz on the weekends.

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Moving on the scratch coat is mostly on and the master bath will be done in a couple of days. Pictures soon!

Currently we’re getting over 2KW of solar at 7:30 AM from our 12 - 540 W panels.


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[Edited on 4-19-2023 by RFClark]

WestyWanderer - 4-18-2023 at 06:42 PM

Looking great, coming along so nicely. Are you guys living downstairs now?

RFClark - 4-19-2023 at 10:55 AM

Yes, we’ve been living there for about a month now.

Looking for Feedback

RFClark - 4-20-2023 at 04:48 PM

Hi,

This type of shutter is widely used in Europe. Does anyone have any experience with them.

The concept:

In the up position the 2 halves are latched together to make a single unit. Both halves are covered with galvanized metal sheeting the same as we used on the ends of the house. They will be painted white on the exterior side to match the house. Yes there will be a 3rd hinge in the center of the production units.

The frames and undersides will be painted black to match the steel window frame.

We plan to use 20” gas shocks (think hatchbacks) to hold them open. There will be pin latches on each side in the middle and bottom to hold them closed.

1/4” neoprene strips will be between the shutter and the window frame to prevent rattle when closed.

I’m interested in any of your thoughts.

Thanks

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RFClark - 4-20-2023 at 08:32 PM

L,

As part of this project I’ve watched videos of shutter testing with a 2x4 cannon. 1/2 or 5/8 plywood seems to work if it’s supported well.

What is surprising is what doesn’t work. The accordion shutters popular around here will split open if they join in the middle rather pull across. The hi tech fabric ones stop the 2x4 as do the laminated glass windows but neither saves the window.

The thought here is not just to cover the window but to act as a sunshade when it’s not closed for high winds.

We used heavy gage galvanized sheet metal elsewhere. It’s quite strong and will be welded to a 1 1/2” angle iron frame. The laminated safety glass is about 3 1/2” behind it. The angle iron will have 1/4” neoprene tape between it and the steel frame. After we finish a panel I’ll walk on it and see how it flexes.

Shutter test stand

RFClark - 5-1-2023 at 08:35 PM

So here is the shutter/shade concept for the big front windows and the smaller 2nd floor windows.

Shutter closed view from outside. 45”X 72” 80KG The smaller shutter is only 40 KG.

We plan to install 2 28” 200lb gas shocks on each of the big shutters and smaller ones on the smaller shutters.



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Shutter half open



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Shutter as a shade



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Ground level patio finished



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While it’s unclear if the panels in this awning are glass or not. Our adjustable shades will look something like this after paint and trim.

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[Edited on 5-2-2023 by RFClark]

[Edited on 5-2-2023 by RFClark]

mtgoat666 - 5-1-2023 at 08:51 PM

Quote: Originally posted by RFClark  
So here is the shutter/shade concept for the big front windows and the smaller 2nd floor windows.

Shutter closed view from outside. 45”X 72” 80KG The smaller shutter is only 40 KG.

We plan to install 2 28” 200lb gas shocks on each of the big shutters and smaller ones on the smaller shutters.





Shutter half open





Shutter as a shade





Ground level patio finished





Your shutters look sort of steam punk.

Check out bahama shutters, in aluminum:






[Edited on 5-2-2023 by mtgoat666]

JDCanuck - 5-2-2023 at 11:51 AM

Quote: Originally posted by RFClark  
So here is the shutter/shade concept for the big front windows and the smaller 2nd floor windows.

Shutter closed view from outside. 45”X 72” 80KG The smaller shutter is only 40 KG.

We plan to install 2 28” 200lb gas shocks on each of the big shutters and smaller ones on the smaller shutters.

Hi RFClark: Your system certainly looks very robust to me. We are looking for hurricane protection from penetration to the home, without the obvious shielding. We would be willing to sacrifice a window now and then to obtain stealth protection for long periods while we are away. As you seem to have investigated several options, did you come across anything not as visible when gone and does not need any setup before storms?
The triple laminate "Sentry Glas " option was not avaailable in the midst of Covid, so we ended up with double pane tempered glass instead.



Shutter half open





Shutter as a shade





Ground level patio finished





[Edited on 5-2-2023 by JDCanuck]

surabi - 5-2-2023 at 12:03 PM

It would seem to me that c the concept of creating "shade" with heavy solid metal is counterintuitive, as the sun beating down on the metal will make the area underneath super hot.

RFClark - 5-2-2023 at 02:07 PM

JD,

I saw the test of several types of hurricane shutters. They shoot a 2x4 at them out of an air cannon. I was not impressed with the results. Plywood sheets worked well. The laminated hurricane glass shattered and, while the 2x4 didn’t go through it appeared that water would get in.

Most of our shade/shutters are on 2nd floor windows and after paint will look great from the ground. As they will be shades far more often than shutters,

S,

The plan is to paint the shutters with light colored reflective paint. Based on our experience with the solar palapa (last picture) heat radiating under the panels is not a problem. After we paint the 1st shutter I’ll see how hot it is and let everyone know. Many window awnings are made from various types of thin painted metal.

surabi - 5-2-2023 at 04:16 PM

"Based on our experience with the solar palapa (last picture) heat radiating under the panels is not a problem."

But that structure is completely open on all sides- lots of air flow, which won't be the case with the metal panels over the windows . Also it isn't summer yet.

All I know is that my concrete roofs, which don't absorb heat nearly as much as metal, are painted white and in the summer they scorch your bare feet to walk on. Not sure what kind of "reflective" paint is available, but good luck.

RFClark - 5-2-2023 at 04:22 PM

S,

I think that you misunderstand. We only close the shutters for a hurricane. The rest of the time they are horizontal to the top of the window. Like an awning the angle is adjustable. As in the last picture of our shutter.

surabi - 5-2-2023 at 06:43 PM

No, I haven't misunderstood- I get it that the shutter will be open and form a cover above the windows. I just think that a lot of heat will accumulate under them, but only experience will tell.

JDCanuck - 5-2-2023 at 07:43 PM

RFClark: If you paint those shutters in a reflective paint, while up if anything they should reduce solar heat hitting the house windows, walls and doors, isn't that the main reason we install solar shielding awnings? I can't see them increasing the heat gain, especially if you have the near constant northerly breezes like we do up here north of you.

[Edited on 5-3-2023 by JDCanuck]

RFClark - 5-2-2023 at 08:13 PM

JD,

That’s my experience! With the air shocks they should adjust from “0” To “-45” degrees. That should block up to 50% of the heat from the sun. The reflective coating on the windows will block over half of what gets through. Less load for the AC!

JDCanuck - 5-2-2023 at 09:06 PM

Quote: Originally posted by RFClark  
JD,

That’s my experience! With the air shocks they should adjust from “0” To “-45” degrees. That should block up to 50% of the heat from the sun. The reflective coating on the windows will block over half of what gets through. Less load for the AC!


My concern right now is very poor water quality. You have any experience with atmospheric water generators like this one:

www.h20machine.com

Seems to me with our very high humidity and high temps we should be able to push the upper limits on it. I already tied my A/C units condensate into the non - potable water cisterna with results that exceeded my expectations, but could really use something to reduce those trips to refill the water bottles.

[Edited on 5-3-2023 by JDCanuck]

RFClark - 5-2-2023 at 09:19 PM

JD,

We’ve collected the water from our ACs for years. An 18K btu AC will output over 5 gal in 8-9 hrs. Past that if your roof is well insulated it will generate a lot of water at night if it’s clear. I’ve never bothered to collect it but it seems like a lot depending on the size of your roof. We had 1400 sq ft and i imagine 5-10 gal of water a night.

I also tested a dehumidifier 800W and in the summer it collected 4-5 gal in 8 hs. No reason you can't chlorinate the water and drink it.

[Edited on 5-3-2023 by RFClark]

JDCanuck - 5-2-2023 at 09:53 PM

Quote: Originally posted by RFClark  
JD,

We’ve collected the water from our ACs for years. An 18K btu AC will output over 5 gal in 8-9 hrs. Past that if your roof is well insulated it will generate a lot of water at night if it’s clear. I’ve never bothered to collect it but it seems like a lot depending on the size of your roof. We had 1400 sq ft and i imagine 5-10 gal of water a night.

I also tested a dehumidifier 800W and in the summer it collected 4-5 gal in 8 hs. No reason you can't chlorinate the water and drink it.

[Edited on 5-3-2023 by RFClark]



This particular system seems to be a filtered dehumidifier followed up by close to if not full RO filtering. Yes, our AC units also generate a lot of demineralized soft water for showers and washing dishes, etc. and since we have considerable excess solar at present, I am looking for ways we can use that free excess energy to produce more, I've considered dehumidifiers mounted outside, adding more heat pumps and collecting the compressor end and wall unit wasted water, but this system also negates the need to drive and pick up more drinking water every few days. I think in gas alone it would easily pay back what we set as a minimal payback period.

surabi - 5-2-2023 at 10:12 PM

Quote: Originally posted by JDCanuck  


...could really use something to reduce those trips to refill the water bottles.

[Edited on 5-3-2023 by JDCanuck]


After struggling with those damn garafons for years, I bought a Berkey water purifier. Best purchase I've made in years. You just pour tap water in the top, it filters through 2 large carbon filters and clean drinking water comes out the tap on the bottom. Filters out 99.99% of pathogens and heavy metals, leaves the beneficial minerals. Water tastes great. They come in several sizes, and are pricey to start with, but the filters are cleanable and last up to 7 years. I ordered mine online when I was in Canada last summer and brought it down with me. https://berkeywaterfiltercanada.ca/

Drinking chlorinated water, while it's certainly better than drinking water that is contaminated, and makes it possible for people all over the world to avoid water-borne diseases, has never been proven to be completely without health risks.


[Edited on 5-3-2023 by surabi]

[Edited on 5-3-2023 by surabi]

[Edited on 5-3-2023 by surabi]

RFClark - 5-2-2023 at 11:05 PM

We don’t use that much bottled water and we go to the market which is across the street from the RO plant. We do treat our community water. We add chlorine and H2O2 weekly also Ozone bubble the water daily. I’d drink that water if necessary, but like most Baja ocean front water it has more salt in it than is good for you.

I’ve seen that “from air” system before. For us changing the filters would cost more than we pay for water now.

I’ve never tested the “from air water” for salt. I suspect it might have some in it too.

When we lived in San Felipe we ran our own RO system for years and drank that water with no problems.

Boiling the condensed “from air water” would probably be enough in an emergency.

This week it’s finishing the walls and build furniture

RFClark - 5-5-2023 at 06:15 PM

The cement guys are finishing up the inside and the last wall outside, the East wall. Pictures tomorrow.

We’re building more furniture while waiting for more shutter hinges.

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This week it’s finishing the walls and build furniture

RFClark - 5-5-2023 at 06:22 PM

The cement guys are finishing up the inside and the last wall outside, the East wall. Pictures tomorrow.

We’re building more furniture while waiting for more shutter hinges.

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The bistro set will have a teak top seats and backs. The coffee table will have teak inlays in the square and triangles.

The last picture is what the teak looks like before milling.



Last exterior wall is finished exterior trim and paint to do

RFClark - 5-6-2023 at 04:20 PM



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We’re done with the major exterior cement work. The scaffolding comes down soon.

JDCanuck - 5-6-2023 at 08:56 PM

Looking pretty awesome to me, RFC! Especially like the looks of the now painted shutters, as they blend right in. I will try to make a point of stopping in as I drive by if you are agreeable, would like to get some hints of how it all worked out.

RFClark - 5-6-2023 at 09:06 PM

JD,

We live here now so we’re here most of the time. You’re welcome to stop by any day.

The Scaffolding is gone!

RFClark - 5-8-2023 at 06:33 PM

The exterior is down to paint and a little trim and shutters.

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This is where we started last fall.



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Finished teak hand rail

RFClark - 5-9-2023 at 04:06 PM

This is the first piece finished. The deck hand rail is the same teak rail. In total we made about 90’ of 2” X 4” hand rail from African teak. Mostly 17’ lengths.

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WestyWanderer - 5-9-2023 at 09:47 PM

Beautiful handrail.

What a neat thread, thanks for taking the time to share. Congratulations, your home looks beautiful

RFClark - 5-9-2023 at 10:31 PM

W,

We were lucky.

There’s a tropical wood lumber yard in Cabo that had 10” - 12” X 2” by 17’ African teak planks. We bought 4 and cut 3 down to 4”+ widths to make the hand rail.

We built a 8’ fence for the table saw which made doing the cutting easer.

I’ve got a router, 13” planer and a cutoff saw. The table saw is about to start on its 3rd carbide saw blade. The teak is very hard.and each length takes 6 or 7 full length cuts to form

By the time I finished I could do a 17’ length in about 3+ hrs.

They turned out OK. I routed the 1/2” radius on the 2 edges and put the first coat of teak oil on this one today. I still have another 70’ to do along the deck rail.

lewmt - 5-10-2023 at 08:10 AM

Wow! There's just something so satisfying about letting a truly beautiful piece of wood reveal itself. I've been messing with some ironwood and it blows my mind how beautiful it is once it's oiled and finished. No stain..just clear mineral oil & clear coat....just comes alive!

RFClark - 5-10-2023 at 08:46 AM

👍👍👍

Our project a year ago yesterday!

RFClark - 5-12-2023 at 08:47 AM

Time passes quickly. We’re down to the last few weeks inside upstairs. The last 6 solar panels were installed yesterday. Pictures later today.

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Next we repaint the left side set with epoxy paint to match the new ones. Then the walkway and we’re done on the roof.

For those of you interested in solar power. The 6 new 540W panels generated 900W at 7:20 this morning under a low cloud cover.

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[Edited on 5-12-2023 by RFClark]

[Edited on 5-12-2023 by RFClark]

JDCanuck - 5-12-2023 at 10:04 AM

There is something extremely satisfying when you install systems that not only provide reliable power that gives you enhanced off grid self reliance and reduced future expenses, but in addition significantly reduces our carbon footprint at the same time. Our number one reason for building here in Baja was the extremely reliable and high gain solar availability. Congratulations on a job well done!

RFClark - 5-12-2023 at 10:38 AM

Yes that part of the system is done and one of the best parts is that I can remind people (four hoofed herbivores especially) how small our carbon footprint is compared to our “betters”! Not having to deal with CFE is good too! Over 5KW by 9:15 this morning. We’re charging the car, batteries and running the expresso machine at the same time.

The major building part of our project is almost done

RFClark - 6-2-2023 at 12:07 PM

We are doing exterior paint and trim. All of the interior walls are plastered and most have a first coat of paint. Electrical has 2-3 weeks to go. Keep watching, I’ll post pictures of the interior as soon as it’s cleaned up.

For those interested it took about 3 months to turn the 2 - 40’ containers into 800 sq ft of living space.

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The top of the gray water storage tank (400 gal) was pored today. The hot tub will probably live there.
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The gray water is distributed to the landscaping via a system of 3/4” PVC risers


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We have Bamboo planted across the front of our lot. I like it better than palm trees and it captures about 35% more carbon. It also grows fast on about the same amount of (gray) water.
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This will be a large percentage of our ground cover. It grows fast too. We’ll plant it in the area in front of the house after the walkway is poured next week.
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[Edited on 6-2-2023 by RFClark]

JDCanuck - 6-3-2023 at 07:36 AM

We use Bamboo up here for privacy, but we made sure it was the "clumping" type as we didn't want it to take over the whole area and planted it in large livestock water tanks to further restrain it. The Iceplant ground cover in Baja proved to be exceptionally hardy and low water use both for it and it also retains moisture for the trees and Bougainvillea that it surrounds in very sandy soil. A lot of colour obtained from what 2 months ago was a tiny patch now rapidly expanded.

surabi - 6-3-2023 at 09:20 AM

"For those interested it took about 3 months to turn the 2 - 40’ containers into 800 sq ft of living space."

You started this thread back in Sept. How is that 3 months?

RFClark - 6-3-2023 at 10:09 AM

S,

Sorry to be unclear. The 3 months (aprox) is the time it took to insulate, install durock, plaster and paint the 2nd floor containers. From sitting there to current was about 6 months.


Sidewalks in progress

RFClark - 6-15-2023 at 08:56 PM


Several people were interested in our gray water recycling system. If you follow the fence line from the valve up you can see the riser in each basin. The valve sends the gray water to this part of the yard. The plan is to grow the Mexican version of Bermuda Grass between the fence and the walkway.

We received some free with one of the bamboo plants and we have a few square feet already that we are transplanting to new locations. It multiplies like the brooms in the Sorcerer’s Apprentice.

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Gray Water system finished & Sidwalks in

RFClark - 6-16-2023 at 06:01 PM


Gray water pump and 90 micron filter located atop the 400 G gray water storage tank.
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Each section has a valve to control the water flow.
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The white risers are the gray or fresh watering system
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Front sidewalk finished
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JDCanuck - 6-17-2023 at 06:42 AM

Very impressive RFClark. I see you have installed a lot of separate isolators and unions for maintenance as well. 90 Micron seems a bit coarse if you have plans for a micro watering system in future. We are presently looking at the "Jumbo" filter body from Rotoplas and hoping to get it down to about 5 microns as our 1/4 inch discharges tend to plug frequently, especially on grey water.

We also ran two parallel water supply lines, one for grey water and one for well water as we wanted to avoid any cross contamination, and this proved cheaper than backflow preventer systems long term. Grey water pumps on demand when we are there, well water when we are gone is run through a timer.

[Edited on 6-17-2023 by JDCanuck]

Watering system

RFClark - 6-17-2023 at 07:45 PM



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The Stairwell and Stairs are Complete!

RFClark - 6-21-2023 at 02:18 PM

The first thing we did was cut the access way to the 2nd floor. That was over a year ago. Today we finished installing the stairs. Surprise, it all worked out.


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We turned the lights on the 2nd floor on last night for the 1st time.

Big week for getting things finished! More to come.

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[Edited on 6-21-2023 by RFClark]

Finished with concrete!

RFClark - 7-6-2023 at 04:59 PM

After a year since we received our Obra. We’re down to a little exterior paint, drains, interior doors and flooring on the 2nd floor.

Electrical is finished

3 of the 4 AC are installed and work

All 3 bathrooms are finished

The 2nd floor coffee bar is finished

Interior pictures after we do the floors over the next few days.

To all of you who have followed us, Thanks for the encouragement and suggestions.



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