Ok i know you multiply the length by width to get sqftwhat i want to know is.I am doing insulation but i only need it for one wall and the ceiling, so how do i estimate how much insulation i will need?Also does cement bricks hold in air well like insulation if it had a plastic layer on top of it to keep heat/cool air in?
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Depending on where you live, you may need one R value insulation for the wall and another R value insulation for the ceilingIf your wall is 8' tall and 10' wide, you will need 80 sq' of wall insulationIf your ceiling is 10' wide and 10' deep, you will need 100 sq' of ceiling insulationIf you concerned with being energy efficient, then I would avoid using a cement brick construction.
