H.B. Fuller Isomelt M

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.

Product Type1K (1 component) Sealant, Hot Melt Sealant, Reactive Sealant

Application AreaInsulating Glass, Spacer, Windows

Compatible Substrates & SurfacesGlass

FeaturesExcellent Gas Retention, Excellent Moisture Vapor Resistance, Heat Resistance

Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Compatible Substrates & Surfaces



Regulatory & Compliance

Quality Standards

Packaging & Availability

Regional Availability
  • North America