Week 4 of casita construction

Lumber is installed to support the plywood forms.
Lumber is installed to support the plywood forms.

Soon we will have a roof over our casita. Yes, Kevin, I call it a casita because it’s just a one-bedroom home. There’s no room for guests but that won’t be a problem. We have the rumpus room for any visitors. Hint, hint. For those of you concerned about construction management while we are gone for ten days I say you are right to be concerned. We’re pretty relaxed about this but there is no telling what might or might not happen. The Gypsy Carpenters often work in similarly unsupervised conditions with very few problems. We’re extending the same trust to our team that we enjoy from our clients. In addition, our neighbor and good friend Janet will be serving as the treasurer. She can give the guys money if they need any supplies while we are gone. Janet knows our team, she speaks Spanish, and she is right next door. She will be well compensated for any work she has to do on our behalf. The job should be at the plaster and stucco stage so there’s not much that could go wrong. Famous last words, right?

The construction technique for the ceiling has finally come clear in my head. I was confused for years about how insulation and concrete and rebar came together to form a roof. and ceiling. Rebar and insulation are built over plywood forms in a matrix. Concrete is poured over the mass to a thickness of 2″ above the rebar. After two weeks of curing the forms are removed and the bottom (ceiling side) is a grid of  reinforced concrete and styrofoam. They call this style of roof caseton. Maybe casaton. I’m not sure. When the forms are  removed the underside is then plastered. My fears of concrete landing on my head during a Baja earthquake were unfounded. This is a well reinforced structure. If a big earthquake hits only plaster will rain down. I feel better. Were you worried? Our workers tell us only the gringos and really rich Mexicans get a caseton roof. Most families here live under simple concrete slabs or corrugated metal roofs. These homes can be unspeakably hot in summer.

Oh, btw, our workers built that brick colored house behind ours in the photos.

The plywood rests on teh temporary beams.
The plywood forms will rest on the temporary posts and beams.
This styrofoam insulation is crammed into the spaces between courses of rebar.
This styrofoam insulation will be crammed into the spaces between courses of rebar.
The styrofoam blocks are installed after the perpendicular courses of rebar are run.
Here you can see the plywood forms are in place. The styrofoam blocks are installed after the perpendicular courses of rebar are run.
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