Thermafiber manufactures and customizes mineral wool insulation for commercial buildings, industrial applications and residential construction. We specialize in high-rise construction - that's why we developed Thermafiber Insolutions™, a systematic approach to help you precisely plan and install insulation on time and on budget.


Highest Recycled Content

Thermafiber mineral wool is the greenest commercial insulation available, with up to 90% recycled content - the highest content in the industry

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Superior Fire Resistance

During a fire performance test, Thermafiber insulation remained intact for five hours at temperatures reaching up to 2080° F.

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Need LEED® Points?

Trying to determine how many LEED® credits our products can contribute to your project? Contact our on staff LEED AP, or use our exclusive LEED calculator

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