ZHUHENG DUNPAI®DP-in waterproof vapor barrier membrane is made of first-line brand raw materials and finely processed. Multi-layer composite structure, flexible texture, plasterable, anti-aging and corrosion resistance. One side of the product comes with ultra-high viscosity self-adhesive for bonding window frames, and the other side needs to use special adhesive DP-HD200/210/220 to bond to the wall to ensure good air tightness and long-term waterproof stability at the joints.