- Acts as a non-absorbent, secondary water-shedding barrier
- Unique bottom surface coating reduces the chance for tears that cause leaks, as compared to other felt underlayment
- Provides roof deck protection from UV exposure for up to 6 months**
- Extra wide rolls cover approximately 5 times more than standard felt rolls
- Preprinted nailing pattern and overlap lines help speed installation
- 30-Year Limited Warranty*
Deck Defense® High Performance Roof Underlayment is part of the Owens Corning® Total Protection Roofing System™§.