BLUE RIDGE FIBERBOARD is proud to announce SOUNDSTOP® is now UL certified for the 1-hour fire rating in a load bearing wall system when installed behind drywall. Our SOUNDSTOP® wall design is U387, details can be found on www.UL.com in their certifications directory. 1-Hour Fire Rating U387 Report 1-Hour Fire Rating U387 Design BLUE RIDGE FIBERBOARD SOUNDSTOP® […]
Soundproofing - Sound Deadening Fiberboard
