![]() So the general idea would be - lay a foundation, start laying blocks, reinforcing door and window jambs with rebar/poured in concrete, make sure to plan for water, sewage, electrical access into the house, figure out insulation and waterproofing, figure out roofing (most likely going to do a metal roof) and flooring, and boom I’m most of the way there? This is matching up with a lot of what I’ve been reading. Those climates are southern/Mediterranean zones where you do not have to worry about heating, and you keep the building cool by making big thick walls, large windows for cross ventilation, and large overhanging eaves. Which really means that after you build your CMU box, you need to build a wood/insulation box on the inside, and waterproof the outside.Ĭan it be done? Yes. So you will need some method of waterproofing the exterior. Or passive solar building techniques, but that is a specialty thing.Īfter this, CMU is not waterproof. So, insulation on the interior is required. So in the summer, it warms up and keeps your rooms warm, in the winter it sucks the heat out of your rooms. Functionally, this means that it holds heat. Next, CMU has virtually no insulating qualities. ![]() So, the walls fall down unless reinforced with rebar. But the wind that hits the side of the building will cause your walls to act like a sail, and CMU is not good at resisting that because it is not strong side to side. In English, this means that your walls are firmly attached at the foundation base, and reasonably so to the roof. CMU is stable top to bottom, but it does not have any real shear strength. In the building trade, they are more commonly referred to as CMU (concrete masonry unit), because they are no longer made of cinder.
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