Giải pháp cách nhiệt cho ngôi nhà bạn - Tối Ưu và Hiệu Quả
Aug · Measure the length and height of the wall and multiply them together to get the area of the wall the formula for area calculation (a b) Then measure the spacing of each frame usually fixed to or inches ( or cm) If you insulate an attic measure the length and width of the attic floor