In many a floor/ceiling and roof/ceiling assembly listed in UL’s Fire Resistance Directory, a ceiling membrane is required to thermally protect the structural members of the assembly in the event of a ...

Discover how hydrated lime enhances modern ceiling systems, improving durability, fire resistance, moisture control, and ...

Bathroom exhaust fans are the most common way to properly ventilate and control moisture in residential bathrooms. Along with providing effective ventilation, bath fans with a ceiling radiation damper ...