National Gypsum Company: Fire & Sound Assemblies . results on fire- and sound-ratings for assemblies using NGC products here. Steel Framed Floor/Ceiling - Fire & Sound Ratings with Gypsum Wallboard ..
BPB - Ceilings FAQ . any changes or substitutions to a time-rated fire resistance assembly. in a specific roof/ceiling or floor/ceiling assembly which provided fire ..
Where there's smoke, there's fire ratings . One resident even said to The New York Times, “They told us it was fireproof; .. Wood — gypsum board assemblies. Another fire-rated floor-ceiling ..
Georgia-Pacific - Building Products - Fire Safety . slabs, and floor- and roof-ceiling systems under laboratory conditions. means that for a "one-hour fire rating" of a gypsum board assembly/system, ..
