Atlas Roofing produces a lightweight, synthetic alternative to organic felt known as Summit® 60. This underlayment, manufactured from extremely strong woven polypropylene fabric, offers advanced benefits not available with traditional felt. The underlayment has the durability needed for jobs that have a long open time from the dry-in to the completed roof covering. It also 60 has a textured wrinkle-free top surface fabric and a slip-resistant polymer coating applied to its bottom surface, for safer walkability during installation. Installation is made easier because the underlayment manufactured with pre-printed lay lines. This water-resistant underlayment is packaged in 10-square rolls, each weighing less than 30 pounds. For more information, visit www.atlasroofing.com.