Grayhawk Synthetic Underlayment is a high-traction, weather-ready layer designed for professional roofers who demand performance on all asphalt shingle and metal steep-sloped roofs. Unique water-shedding and special weaving technologies provide extraordinary walking traction, wet or dry. Gray Hawk provides legendary traction. Professional Roofers can tell the difference!

Key Features & Design

• Suitable for all asphalt shingle and metal steep-sloped roofs.
• A superior substitute for any application calling for asphalt saturated underlayment (#15 or #30 felt)
• Deck side slip-resistant coating
• Strong and durable
• Impervious to mold
• Lays flat and stays flat (will not buckle when wet)
• Will not tear easily, even in high wind conditions
• Secondary water barrier

Engineered for durability and easy installation, Grayhawk underlayment is the dependable choice for professional roofs.