Suspended Drywall Ceiling Stc Rating

A single layer of drywall is ineffective in blocking or reducing sound.

Suspended drywall ceiling stc rating.

Isolation clip integrates with the new hd8906iic main beam to help you ensure your drywall ceiling installations meet ibc requirements for iic. It is a single number rating corresponding to. 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 panel is light and easy for noise to vibrate through.

It is also fully compatible with alldonn brand acoustical suspension systems for easy transition from wallboard ceilings to acoustical tile ceilings. The standard requires a minimum laboratory stc rating of 50 for party walls and floor 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. Pre engineered drywall ceiling suspension system that is three times faster to install than traditional track and channel framing.

Hence noise transmits from the drywall to the studs to the air cavity in the ceiling. 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. The option of soundproof drywall is feasible and useful. All too often this plenums and suspended ceilings unbaffled ducts window to window outdoors common heating units transoms and air grilles.

Stc means sound transmission class. Page 1 of 2 5726 sonoma drive pleasanton ca 94566 phone. Duty ratings heavy duty. The drywall suspension system is available in pre engineered custom shapes for framing curved drywall ceilings such as vaults valleys domes and arches.