Web1 In field testing on identical 2x4 exterior wall types, Greenfiber® R-13 Stabilized Spray-Applied Insulation outperforms R-15 unfaced fiberglass batts by 4 NIC raring points, which equates to a 60% reduction in sound power. The weak point in the assembly such as flanking through windows and doors will diminish the value of the reduction in sound power. WebGreenStuf® insulation is proudly made for Kiwis by Kiwis, manufactured right here in New Zealand. Safe to touch, with no nasty chemicals or airborne fibres, GreenStuf is a thermal and acoustic insulation made …
Soybean: Innovative Insulation - This Old House
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