Outfit your semi truck or trailer to be ready for the journey ahead with a securely-sealed roof, with the OTR Premium Roofing Sealant & Adhesive with Expertise Built In. Due to its non-yellowing and waterproof blend, this replacement is the ideal solution to fill holes, tears, and joints to prevent leaks or damage. Constructed with a strong and flexible blend to maintain the best quality possible. FleetPride is your First Click in Heavy Duty.