Why choose mineral wool insulation?
Thermafiber® Safing mineral wool insulation products are designed to provide fire protection in perimeter fire containment systems, floor and wall penetrations, construction joints, and other firestopping applications.
Step-by-Step Guide: Installing Thermafiber® Safing Mineral Wool Insulation
Physical Properties
PROPERTY | TEST METHOD | VALUE |
| Corrosion of Steel, Aluminum, and Copper | ASTM C665 | Noncorrosive, Types I, II |
| Non-Combustibility | ASTM E136 | Non-Combustible |
| Non-Combustibility | CAN/ULC S114 | Complies |
| Water Vapor Permeance | ASTM E96 | Unfaced, 50 perms as tested |
| Water Vapor Sorption | ASTM C1104 | Sorption less than 1% by volume |
| Surface Burning Characteristics | ASTM E84 | Unfaced, Flame Spread 0. Smoke Developed 0 |
| Surface Burning Characteristics | CAN/ULC S102 | Unfaced, Flame Spread 0, Smoke Developed 0 |
| Perimeter Fire Containment Systems | ASTM E2307 | Safing insulation used in conjuction with Thermafiber® FireSpan® insulations and with an approved fill, void, or cavity material sealant in the Perimeter Fire Containment System. |
| Penetration Firestop Systems | ASTM E814 OR UL 1479 | Safing insulation used in conjunction with an approved fill, void, or cavity material sealant or other approved material in through – penetration firestop systems |
| Fire Resistance of Building Joint Systems | UL 2079 | Safing insulation used in conjunction with an approved fill, void, or cavity material in construction joint systems |
| Fire Tests of Firestop Systems | CAN/ULC S115 | Complies |
Safing products are approved by: New York City Board of Standards & Appeals – (under BSA 39-74-SM & accepted by MEA-209-82-M, Vol. 4).
