DeWitt’s “ROOF SHIELD POLY PRO 195” is a self-adhesive underlayment composed of a polyester reinforcing mat for POLY STRENGTH (tear resistant, great for valleys), and coated with a rubberised asphalt that seals around nails or fasteners. The POLY GRIP surface with no loose granules provides a safe walkable surface.

“ROOF SHIELD POLY PRO 195” has a POLY SMOOTH surface for better adhesion when applying more than one roll on sloped roofs.

“ROOF SHIELD POLY PRO 195” is POLY LITE (30% lighter than standard ice & water underlayments).

“ROOF SHIELD POLY PRO 195” is designed to be REPOSITIONABLE when applied to the substrate.

The E-Z SPLIT BACKER makes for easier installation.

The POLY SEAL with polyester mat gives stronger and better sealing around nails.

“ROOF SHIELD POLY PRO 195” is cold-applied and is an excellent underlayment for SHINGLES, SLATE, CONCRETE, TILE ROOFS, VALLEYS, and around SKYLIGHTS.

“ROOF SHIELD POLY PRO 195” helps eliminate water back-up from storms or ice dam back-ups.