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Barndominiums these days are being recommended for hurricane wind loads. 115mph seems to be their baseline. Different hits say 130 as the standard wind load & some have said 140. They need a 30 deg roof pitch & pier foundation going 40" underground. Windows & doors have to be rated for higher forces. ICF insulated concrete forms are also being recommended. Lion parents had an ICF house with a wood roof. Lions 1st saw concrete construction in Fl*rida. It had thousands of prefabricated, interlocking blocks. Most concrete houses are made of cinderblocks. Nothing in Calif* is made of concete. It's all wood. The normal method for houses is to create a form out of insulation & rebar, pouring concrete in the field. The total thickness is 1ft. It seems to be 8" concrete, 4" of insulation. All the plumbing, wires, go in the 2" of insulation. Only the outer wall is ICF. There's a series on a...