Spray Foam: Though presenting some moisture resistance, spray foam can trap drinking water in hidden places if improperly used, creating unseen mildew expansion.Steel Grating Hot Deep Galvanis Variety : Spesifikasi 1 " x 3/ 16 " x 90cm x 6mtr 1, very hot-deep kisi baja galvanis Keterangan: Grating digunakan sesuai dengan jarak tertentu dan datar l