Your roof is a big investment. Help protect it right from the start against water damage in the attic, which can cause mold growth and rotting deck boards. Deck Defense™ High Performance Roof Underlayment features a durable, synthetic construction that works with your shingles to help shield your home from moisture infiltration.
- 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**
*Special application required for extended exposure. See installation instructions.**See actual warranty for complete details, limitations and requirements.
| Model Name |
Length |
Roll Size |
Nominal Weight |
Width |
|
| Deck Defense™ High Performance Roof Underlayment |
250 feet |
10 square roll |
31 pounds/roll |
4 feet |
| Deck Defense™ High Performance Roof Underlayment |
125 feet |
5 square roll |
16 pounds/roll |
4 feet |
|
Applicable Standards
- ASTM E108 / UL790 (Class A Fire Resistance)*
- ICC-ES AC-188# – Criteria for Roofing Underlayments
The performance of any roof depends on an entire system of Roofing Essentials™ accessory products and Owens Corning Shingles working and performing together. Below find our shingle recommendations for this product:
* See actual warranty for complete details, limitations and requirements.
# Underlayment is tested as part of a roof assembly that includes wood decking, underlayment and asphalt roof shingles.