Roxul ComfortBoard IS User Manual
Page 28
ROXUL
®
The Better Insulation™
26
About Stone Wool
ROXUL stone-wool insulation is a rock-based mineral fiber insulation comprised of Basalt rock and
Recycled Slag. Basalt is a volcanic rock which is abundant in the earth, and slag is a by-product of the
steel and copper industry. The minerals are melted and spin into fibers.
Thermal Insulation
Stone wool is an excellent insulator and a vital component in an energy efficient building. In fact
insulation saves 12 times as much energy per pound in it is first year in place as the energy used to
product it.
Sound Absorption
The non-directional fiber orientation of ROXUL stone wool helps the absorption of acoustic waves and
can reduce the intensity and propagation of noise.
Fire Resistant
Stone wool can withstand temperatures up to 2150
o
F (1177
o
C). Consequently is does not contribute
either to the development and spread of fire or the release of toxic gases.
Water Repellent
Stone wool is water repellent yet vapor permeable. This means the insulation cannot absorb water so the
R-value is not affected. Additionally it is completely resistant to rot, mildew, mold and bacterial growth,
contributing to a safer indoor environment.
Dimensional Stability
Stone wool retains its characteristics unaltered over time. It undergoes only minimal changes in size or
performance due to the changing conditions of temperature and humidity.