Inland’s RC-2200 Rubber Seam Compound is a long-lasting and effective solution for sealing and waterproofing fasteners, cracks, seams and penetrations on various roofing systems. Prevent roof leaks and make roof repairs with the benefits of a strong yet flexible sealant that withstands inevitable expansion and contraction of your roofing system throughout the seasons. Perfectly compatible with reinforcing materials such as Inland Coatings RPM Series Polyester Mesh or RST Series Seam Tape, the RC-2200 gives users the needed flexibility and tensile strength to complete an effective sealing and waterproofing job.