- Chemical Family:Butyl Rubber
- Compatible Substrates & Surfaces:Galvanized Steel, Alloy Steel, Aluminum Alloys, Glass, Plastics
- Features:Low Stringing, Heat Resistance, Low Gas Permeability, Intercept, Excellent Moisture Vapor Resistance, Low Vapor Permeance, Excellent Gas Retention
H.B. Fuller Isomelt M is a black-colored sealant suitable for windows and glass surfaces in the building and construction industry. It offers heat resistance and is designed for use in building envelope and roofing applications, particularly in EIFS (Exterior Insulation and Finishing Systems) and insulation projects.