Foamed plastic concrete form with fire resistant tension member

摘要: A self-supporting concrete form of foamed polymeric material to be left in place provide insulation for a wall the having two side walls joined by transverse tension members sheet metal or other thin fire resistent material. The are embedded projections provided on inner faces substantially cylindrical vertically disposed cavities concrete. upper and lower edges inwardly spaced from associated so that horizontally beam will also when adjacent similar forms filled with liquid