Damp Membrane/DPM
Dec 30, 2009
A DPM is usually a thick polythene sheet laid under the floor slab, to allow the slab to dry out and keep out groundwater. It is often laid on a bed of sand, to prevent the sharp edges of the hardcore damaging it. Thickness 100-600 um Width 2-8.....
Shandong Huiyuan Building Materials Group Co., Ltd