Synthetic Roofing Underlayment..48"X250' To Place OrderCall: 906-374-0097 Visit: Baker Building Supply, LLC N7008 County Road 577 - Suite B Ingalls, MI 49848ATLAS SUMMIT 60 SYNTH 48"X250'Quantity*Features 25x stronger than 15-pound roofing felt Suitable for use under asphalt and steel roofing Wider and lighter for easier installation 60-day UV exposure Lays flat, water resistant Slip-resistant polymer coating applied to bottom surface designed to reduce slippage Unique top surface fabric allows for enhanced walkability Atlas Signature Select® Roofing System eligible