QuietWood QR-631 is an internally damped engineered wood product which provides significantly enhanced sound isolation and designed to replace standard subfloor material, including use with wood and metal framing members.
Test performed on a wood truss floor assembly of carpet, underpad, QuietWood 631, 457 mm parallel wood trusses and QuietRock 530.
Test Report: TLF-04-017/018
Test performed on a floor assembly of hardwood flooring, oriented stranded boards, foam underlayment, QuietWood 631, 457 mm parallel wood trusses, glass fibre batts, wood furring strips and QuietRock 530. Test Report: TLF-04-025/026