Roxul, Inc.
Mineral wool from natural basalt rock and recycled steel slag. Available in batt and board forms. Natural insect resistant. Does not degrade in UV light. Roxul invested in their own recycling facility to redirect waste back into manufacturing process, resulting in 50% water usage reductions and raw material consumption and energy usage reduction. LEED eligible.

ThermaFiber LLC
Mineral wool insulation boards and batts with up to 90% recycled content. Non-combustible - resists temperatures up to 2000 degrees F. Non-corrosive and will not absorb moisture. Does not settle, rot, decay or break down. Our products attenuate sound, conserve energy, reduce Green House Gas emissions, and improve the indoor air quality of a building. Thermafiber products contribute to 20 LEED credits across 4 different categories.