Rigid foam is a plastic solid with a Random cellular structure having thousand of closed cells per cubic inches of expanded material. The Foam is formed by a controlled reaction between two ingredients as Polyol & lsocynate in presence of selected catalyst and additives. The chemical when mixed expands rapidly up to 25-30 times its original volume and then hardens. The product has numerous applications in different fields for insulation and available in different density configuration, achieved by changing the proportions of ingredients