Thermafiber® has been dedicated to improving fire resistance by manufacturing mineral wool insulation. Thermafiber® offers industrial, residential, and marine mineral wool products that conserve energy, control sound, and provide fire protection. While every project is unique, Thermafiber® has cultivated more than 45 years of experience collaborating with partners across the industry to develop, test and deploy mineral wool insulating solutions.

Thermafiber® RainBarrier® ci High Compressive insulation uses ThermaCrimp™ technology to make the highest compressive strength mineral wool continuous insulation on the market. Designed to be used behind any cladding type - including combustible and open-joint assemblies.