• Trempro 640
Trempro 640

TREMPRO® 640/642

TREMPRO Polyurethane Coatings

TREMPRO® 640 and TREMPRO® 642 are one-part liquid polyurethane coatings for industrial use. Available in aluminum color.

Basic Uses
  • Used to create a tough, adherent waterproof coating on the inside or outside of containers or similar items where preventing water penetration is important.
  • Primarily for use on concrete and masonry substrates in both vertical and horizontal applications.
  • Can be used to seal rivets, bolts, etc.
  • Can be used for sealing truck bodies, containers, railroad cars, travel trailers, mobile homes, for the assembly of galvanized air conditioning duct work, for narrow joints between wood or metal sections, between masonry and aluminum or stainless steel, and between galvanized metal sections.
Product Details, Safety, and Installation
  • 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).