Revisions to UL Design No. D982 in the UL Fire Resistance Directory, based on recent fire tests, have heated up long-standing differences between structural-steel interests and fire-protection ...

AISC and AISI paid UL to do the first U.S. fire tests, using a 14-ft x 17-ft replica of a steel floor, built in an unrestrained condition. “Unrestrained” leaves a gap between the test specimen ...

Designed for use in wood floor construction, the assemblies are compatible with multiple floor substrate materials, including ceramic, hardwood, laminate, or carpet. Each floor box is UL-listed and ...

SUNNYVALE, Calif.--(BUSINESS WIRE)--Quiet Solution, the market and technology leader in soundproof drywall, today announced that its revolutionary QuietHome ® sound-damped floor/ceiling assembly ...