Tremco Commercial Sealants & Waterproofing

Founded in 1928 by William Treuhaft in Cleveland, Ohio.


Joined RPM International Inc. as an affiliate company.


Consists of operating divisions specializing in the manufacture and sale of roofing materials and services, construction sealants, glazing and gaskets, waterproofing systems, air barrier and fire stopping systems.

Provides custom-designed products, programs, and services to serve the needs of the construction, maintenance, and repair industries.


Tremco’s Commercial Sealants and Waterproofing division is the leader in the supply of sealant, weatherproofing, and passive fire control solutions for commercial, residential, and industrial markets in North America.


  • overall customer rating

Tremco provides the most complete range of products in below-grade waterproofing systems, air barrier systems, deck coatings, high-performance sealants, comprehensive glazing systems, firestopping solutions and other sealant applications.


Company Profile

Tremco was founded in 1928 by William Treuhaft. Treuhaft opened a small roofing materials manufacturing plant in Cleveland, Ohio. The company would then be called Tremco Incorporated. Today, Tremco Incorporated has joined RPM International Inc. as an affiliate company, where it has secured a position as a construction brand leader.


Tremco consists of operating divisions specializing in the manufacture and sale of roofing materials and services, construction sealants, glazing and gaskets, waterproofing systems, air barrier and fire stopping systems. Tremco also provides custom-designed products, programs, and services to serve the needs of the construction, maintenance, and repair industries. Tremco’s Commercial Sealants and Waterproofing division is the leader in the supply of sealant, weatherproofing, and passive fire control solutions for commercial, residential, and industrial markets in North America.