Installing roxul safe n sound insulation inside interior walls above ceilings is a great way to improve the fire resistance of your home and reduce unwanted noise between rooms.
Rockwool sound insulation r value.
Rockwool safe n sound is a stone wool insulation product that can reduce noise and sound absorption in residential wood and steel stud construction.
However the total effective r value of an assembly is the total nominal r value minus reductions caused by thermal bridging at the studs girts fasteners ties and other attachment methods.
Visit the rockwool r value calculator contact rockwool building science for assistance with your calculations.
Fiberglass offers an r value of 2 2 to 2 7 per inch while rock wool has an r value of 3 0 to 3 3 per inch making it a slightly better insulator than fiberglass according to the u s.
Rockwool comfortbatt is a stone wool insulation product for improved sound absorption and fire protection in residential wood and steel construction.
Made from non combustible stone wool roxul safe n sound can withstand intense temperatures of up to 2150 f and delays the spread of fire for added safety.