CertainTeed's RoofRunner is a synthetic roofing underlayment that provides superior protection for residential roofs. This specialized roofing accessory is made with high-quality materials and features a unique design that provides exceptional resistance to water, wind, and other environmental factors. RoofRunner is a synthetic polymer-based scrim-reinforced underlayment that is designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles on residential roofs. It is made with a blend of which give it a weather-resistant surface that can withstand the elements. The underlayment is also designed to be lightweight and easy to handle, making it an ideal choice for roofing contractors. One of the key benefits of RoofRunner is its exceptional resistance to water. The underlayment features a unique design that allows it to shed water quickly and efficiently, helping to prevent moisture from penetrating the roof deck. This design includes a specialized top layer that repels water and an adhesive backing that helps to seal out moist...See Moreure. RoofRunner is also designed to be wind-resistant. The underlayment features a high-strength woven construction that provides exceptional resistance to wind uplift, helping to keep the roof secure during high wind conditions. This design also includes a slip-resistant surface that helps to prevent workers from slipping or falling during installation. Another advantage of RoofRunner is its ease of installation. The underlayment is designed to be installed using standard roofing nails and is compatible with most types of asphalt shingles. This makes it a convenient and easy-to-use roofing accessory for contractors and homeowners alike. RoofRunner is also designed to be durable and long-lasting. The underlayment is made with high-quality materials that are designed to resist weathering, UV radiation, and other environmental factors that can cause damage to roofing systems. This means that the underlayment can provide long-lasting protection for the roof, reducing the need for frequent repairs or replacement. Overall, RoofRunner is a high-quality roofing underlayment that provides superior protection for residential roofs. Its resistance to water, wind, ease of installation, slip-resistant surface, and durability make it a reliable and cost-effective choice for homeowners and contractors alike. If you are in need of a roofing underlayment for your residential roofing project, consider RoofRunner from CertainTeed. See Less