1.Builders Film 2.Damp poof, anti-leakage and lightproof. LDPE Builders Film Applications:1.When fixing the floor, put it on the bottom to be dampproof.2.When building the cistern, put it on the bottom from leakage.3.Protect the building materials from damp and sunshine temporarily.4.Other building applications.Features:Packing: Packed by PE film or kraft paper in rolls, then on pallets with P.P. ...