A highly vapor permeable roofing underlayment Air Barrier (AB) material.

Features

• Used on Steep Slope Roofs Of 2:12, (9.46 Degrees) or Greater Pitch
• Promotes Long Term Drying of Roofing Assembly Through Vapor Diffusion
• Breathable and Airtight, with Exceptional Water and Air Holdout
• Primerless Installation
• High Drying Capacity (Vapor Permeability, 30 Perms)
• Long exposure times, 6 months (180 days) UV and Climate Exposure Prior to Roof System Installation
• Tough, Durable, and Slip Resistant—With Excellent Traction for Installers
• Factory Made Rolled Good with Consistent Millage Thickness
• Suitable for All Climates and Geographic Locations, Including Extreme Temperature Areas

500 sq ft/roll