Ogwe ụfụfụ 25mm bụ nke osisi celuka, na 1-30 mm PVC foam board bụ nke nnukwu osisi, ya mere, nke a na-egbuke egbuke dị mma maka ngwá ụlọ, ihe owuwu, ihe ịchọ mma na ihe omume n'èzí.