Spray Foam: Though featuring some humidity resistance, spray foam can entice h2o in hidden parts if improperly applied, developing unseen mold expansion.Steel Grating Very hot Deep Galvanis Style : Spesifikasi one " x 3/ sixteen " x 90cm x 6mtr one, hot-deep kisi baja galvanis Keterangan: Grating digunakan sesuai dengan jarak tertentu dan datar li