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.


New FRF 114 Launched

Thermafiber has launched FRF 114, the newest product in their line of performance mineral wool fibers. FRF 114 has been engineered as an economical filler and reinforcement fiber for a host of products.

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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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