Butyl Rubber Sealant

TREMPRO® 651 is formulated from a blend of butyl rubber and polyisobutylene to form an economical, flexible sealant.

Basic Uses
  • TREMPRO 651 is specially designed for use in low movement joints typically found in truck trailers and cabs, shipping containers, bus bodies, modular homes and railroad cars.
  • The product is a weather resistant, exterior-grade sealant that has excellent adhesion to wood, metal, glass, concrete and masonry surfaces.
  • TREMPRO 651 is a very economical and flexible general-purpose sealant.
  • What is the shelf life of your TREMPRO sealants?

    Most of the sealants have a 12-month shelf life based on the manufacturing date and batch numbers from the tubes or cases.

  • Within what temperature range can the TREMPRO sealants be applied?

    Tremco recommends that our sealants be applied at substrate temperatures of 40°F (5°C) and rising to 120°F (49°C).