AFD offers malthoid damp proof course in both 2 and 3 ply. AFD has its own cutting machine, enabling us to cut to size from 150mm widths to 450mm. We also sell full width rolls of 900mm. Each roll is 20 meters in length and conforms to SABS 92 and 021 standards.The product is silica treated on both sides and applied to the ridge cap of a tiled cement roof.