3M n° 3015 TWF Waterproof Membrane 6 in. x 75 ft.

Lightweight self-adhesive membrane ensures air- and water-tightness around doors and windows. Can be used on a variety of materials and does not require a primer coat. The 3015TWF membrane can adhere to damp surfaces however it will only adhere to damp surfaces which do not absorb water. In addition, the surface must be damp and not soaked. 12 month UV resistance*. Black.

*Must be covered by siding or other finishing material.