Super Flex All-In-One EPDM Adhesive & Primer is the first step in the 2-step Super Flex EPDM roof protection system! This water-based adhesive and primer serves as a bonding agent between the EPDM roof membrane and the Super Flex Roof Coating top coat. The specially formulated, OEM-grade adhesive and primer perfectly prepares the roof surface for application of a Super Flex Roof Coating, the second step in the 2-step roof protection system. Once applied, it maintains a tenacious bond with the EPDM membrane that grows stronger over time, yet remains flexible to compensate for membrane expansion and contraction. When used in combination with a Super Flex Rubber Roof Coating top coat, the 2-step treatment will help to:• Extend the life of your rubber roof• Ensure superior durability• Fight chalking and streaking• Improve low-temperature flexibility• Enhance UV resistanceFormulated for low odor and toxicity for safe, easy application, Super Flex Adhesive & Primer bonds securely with a variety of materials, including:• EPDM Rubber• PVC• Hypalon Wood Fiberboard• Plywood• EPS• Gypsum• Polyisocyanurate Insulation• ConcreteSpecifications:• One gallon covers approx. 200 sq. ft.• Weight: 8 lbs.• Manufacturer: Alpha Systems, LLC• Model#: N801100GCW Bond grows stronger over time, remains flexible Extends the life of your rubber RV roof Fights chalking and streaking, resists UV rays | Super Flex All-In-One EPDM Adhesive & Primer, 1 Gallon in White