Owens Corning® ProArmor® Synthetic Roof Underlayment with Fusion Back Coating Technology™ is strong, durable and repels water unlike 15 lb felt. It’s also light, easy to install and contributes to safe working conditions.

• Dual-surface slip resistance: Fusion Back Coating Technology™ paired with a non-woven surface provides excellent walking conditions during shingle application even on steeply pitched roofs
• Repels moisture and helps provide protection against water infiltration
• Resists stretching and tearing around fasteners
• Available in 42-inch lightweight rolls for easy installation
• Up to 90 day UV exposure
• 10-Year Limited Warranty*
• For use under asphalt and metal shingles

ProArmor® Synthetic Roof Underlayment is part of the Owens Corning® Total Protection Roofing System®^.