called icf, insulated concrete form. the walls are a foot thing. 2 1/2 inches on the inside are foam and 2 1/2 inches outside are foam and then 7 inches of concrete with rebar that continues to the roof so our home is united be concrete and steel from 28 feet below ground to the roof eve. we closed the soffit at the eve. it s a 1 foot soffit. it s nicer to have a bigger eve for your roof for the shade but you tonight want to let the wind have that good of a grip on your roof. we narrowed that to one foot and sealed it. when i say sealed it, we caulked the seams. there s no way for wind to grab it and lift the roof off. neil: could i the cost. it wasn t that much extra. can you give me an idea of the