KERDI-DS is a waterproofing and vapour barrier membrane with very low vapour permeability, making it ideal for continuous use steam showers and similar applications.

Waterproofing membrane and polyethylene vapour barrier in sheets
Prevents water infiltration that can cause mold and mildew
Composed of a central layer of high density polyethylene (HPDE) covered on both sides with non-woven polypropylene
Covered on both sides with a non-woven felt that allows anchoring in the cement-glue
Ideal for waterproofing wall and floor surfaces to be tiled
KERDI-DS is 20 mils thick and contains additives, giving it a vapor permeability of 0.19 perm
Listed by cUPC and evaluated by ICC-ES