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ROCKWOOL Safe'n'Sound R-16 is an unfaced stone wool batt for interior wood-stud partitions on 16 in. centers. Its dense stone wool absorbs sound instead of reflecting it, so it cuts noise between rooms and floors, and the mineral fiber is non-combustible, which helps contain a fire. Batts friction-fit by hand with no staples or facing and cut cleanly with a serrated insulation knife. It suits basements, media rooms, home offices and bedrooms where quiet and fire resistance matter more than raw thermal R-value; fiberglass batts cost less and are lighter, but stone wool is denser, handles moisture better and stays put in the cavity.
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Owners and installers rate Safe'n'Sound highly for cutting noise through interior walls and ceilings, and many note it holds itself in the cavity without fasteners. Complaints center on weight, itchiness during handling and the modest R-value.
ROCKWOOL Safe'n'Sound is an unfaced stone wool batt for interior partitions in wood and steel stud construction. It is made for walls and ceilings where fire resistance and sound control matter. Each batt is 3 in. thick, 15-1/4 in. wide and 47 in. long, with a rating of R-16.
The dense stone wool absorbs sound rather than reflecting it, which reduces noise transfer between rooms and floors. Stone wool is non-combustible, so it works to contain a fire and slow its spread. It is also water and mold resistant, and light enough to handle overhead.
The 15-1/4 in. width friction-fits between wood framing on 16 in. centers. Press the batt into the cavity by hand and it stays in place without staples, fasteners or facing. It cuts cleanly with a serrated insulation knife to fit around doors, electrical boxes and pipe. Typical uses include basement walls and ceilings, media rooms, home offices, laundry rooms, furnace rooms and bedrooms.
