Thermafiber is a leading manufacturer of Mineral Wool insulation products. For decades we have been a pioneer in perimeter fire containment systems. Our commercial insulation products are installed in 6 of the 12 tallest buildings in the world, and is the #1 specified commercial mineral wool.

Thermafiber is now bringing international expertise to Canada by offering a complete range of residential and commercial insulation products that conserve energy, control sound and provide exceptional fire protection.  For industrial, marine, and granulated mineral wool applications, see