Grayhawk Synthetic Underlayment - All Sizes

Please Note: This Product Is Unavailable In Michigan, Atlanta, Philadelphia, Syracuse and St. Louis. 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 • 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