Suspended Drywall Ceiling Stc Rating

Hence noise transmits from the drywall to the studs to the air cavity in the ceiling.

Suspended drywall ceiling stc rating.

Duty ratings heavy duty. 925 600 0618 technical bulletin stc ratings steel stud framed walls sound transmission class stc is an integer rating of how well a framed wall attenuates sound. It is a single number rating for the performance of a ceiling in an open office with a partial height divider. Pre engineered drywall ceiling suspension system that is three times faster to install than traditional track and channel framing.

All too often this plenums and suspended ceilings unbaffled ducts window to window outdoors common heating units transoms and air grilles. Test curve and the stc rating is heavily influenced by a measurement in one fre quency band. Isolation clip integrates with the new hd8906iic main beam to help you ensure your drywall ceiling installations meet ibc requirements for iic. Single layer of drywall stc 36.

Page 1 of 2 5726 sonoma drive pleasanton ca 94566 phone. Sound transmission class stc is an integer rating of how well a building partition attenuates airborne sound in the usa it is widely used to rate interior partitions ceilings and floors doors windows and exterior wall configurations see astm international classification e413 and e90. The option of soundproof drywall is feasible and useful. It is also fully compatible with alldonn brand acoustical suspension systems for easy transition from wallboard ceilings to acoustical tile ceilings.

Defined by astm 1111 the attenuation of sound that travels over a divider and reflects off of the ceiling is measured at human speech frequencies. A single layer of drywall is ineffective in blocking or reducing sound. It is a single number rating corresponding to. The panel is light and easy for noise to vibrate through.