ProArmor® Synthetic Roof Underlayment

Helps Create a Water-Proof Barrier

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®^.

Download Brochure

Technical Information

Roll size: 10sq.

Length: 286 ft.

Width: 42 in.

Weight: 25 lb.¹

Coverage (with 3-in. overlap): 929 sq. ft.

Exposed Color: Light gray

Surface Construction: Nonwoven

1. Includes core weight.

* See actual warranty for complete details, limitations and requirements. A longer limited warranty term applies when ProArmor™ is used in conjunction with Owens Corning® Roofing Shingles.

^ Excludes non–Owens Corning® roofing products such as flashing, fasteners and wood decking.

ASTM 108/UL 790, Class A Fire Resistance - Underlayment is tested as part of a roof assembly that includes wood decking, underlayment and asphalt shingles.