Butyl Sealants

Butyl rubber and modified butyl rubber sealants have been an industry staple for sealing even the toughest to bond to surfaces in the harshest environments. H.B. Fuller’s complete line of hot applied and cold applied butyl sealants are highly reliable sealants for the toughest applications. Our butyl sealants maintain excellent flexibility at very low temperatures and have high chemical and weather resistance.

H.B. Fuller offers a range of materials, including heat flowable seam tapes, heat expandable seam tapes, high viscosity, non-sag pastes, as well as lower viscosity, flowable liquids to meet your every application need. Extensive industry testing and field use has proven our butyl sealants maintain excellent adhesion to a wide range of substrates and are used in several commercial markets, including automotive, electric vehicles, rail, appliances, HVAC, transportation, marine, and industrial assembly.

Key features and benefits include:

• High flexibility at low temperatures
• Excellent chemical and weathering resistance
• Excellent adhesion
• High reliability