H.B. Fuller Isomelt R

H.B. Fuller Isomelt R is a versatile sealant specifically designed for windows. It is available in both black and gray colors, providing options to suit different esthetic preferences. With its compatibility with glass substrates, Isomelt R is widely used in the building and construction industry, particularly in EIFS (Exterior Insulation and Finishing Systems) and insulation applications.

Product Type: 1K (1 component) Sealant, Hot Melt Sealant, Hybrid Sealant, Reactive Sealant

Application Area: Insulating Glass, Windows

Compatible Substrates & Surfaces: Glass

Features: Excellent Gas Retention, Gas Barrier, Good Barrier Properties, Good Mechanical Properties

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Identification & Functionality

Features & Benefits

Applications & Uses

Application Area
Compatible Substrates & Surfaces


Packaging & Availability

Regional Availability
  • Africa
  • Asia Pacific (Excluding Russia)
  • Europe (Excluding Russia)
  • India
  • Latin America
  • North America