RoofPro SBS-Modified All-Purpose Underlayment comes with below features:

• Helping to prevent wind-driven rain from infiltrating the roof system
• Lying flatter to avoid "telegraphing wrinkles" through the roof covering
• Helping roof coverings to lie flat and uniform
• Resisting rot to prevent premature roof system failure

Advantages:

• Great Protection: Serves as an added layer of protection to help prevent wind-driven rain or other sources of moisture from infiltrating your roofing system
• Looks Better: Fiberglass reinforcement helps to eliminate telegraphing of wrinkles that can detract from the finished look of the roof
• Increased Strength: Excellent tear resistance compared to conventional organic felts
• Safer For Installers: Slip-resistant surface helps to provide a safe walking surface for roofers