BlackKnight 4x250 Synthetic Roofing Underlayment, Professional Grade

Key features

• WHAT'S IN THE BOX: One 4 ft x 250 ft roll covering 10 squares, 1,000 sq ft, plus 50 galvanized plastic cap nails to start your run; additional fasteners sold separately
• 4-Layer Synthetic Protection: Durable professional-grade construction is designed to resist tearing, cracking, and moisture for dependable roof deck coverage.
• High UV Stability: Built for temporary outdoor exposure during roofing projects, with UV resistance for up to 6 months when needed.
• SAFER WALKABILITY: Non-woven top surface provides sure-footed traction, while the slip-resistant base layer helps support easier installation
• EASY INSTALLATION SUPPORT: Printed nail placement guides help simplify alignment and fastening, and included galvanized plastic cap nails support secure installation

BlackKnight 4 ft x 250 ft Professional Grade Synthetic Roofing Underlayment provides a strong protective layer between shingles and the roof deck. Designed with 4 layers of protection, this synthetic underlayment helps guard the home's structure and interior from rain, snow, ice, wind, and moisture. The lightweight material is easier to carry than traditional felt while offering improved durability, tear resistance, and walkability. A non-woven top surface provides sure-footed traction, while the slip-resistant base layer helps support installation in challenging conditions. Printed nail placement guides and included galvanized plastic cap nails help make installation easier and more secure.

Free shipping included. 30-day hassle-free returns.