Iic Rated Floor Assemblies

Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.

Iic rated floor assemblies.

Some occupants would be dissatisfied with this level of. Stc rates a partition s or material s ability to block airborne sound such as a television or people having a conversation. Vibrating equipment should be. Quick selector for fire and sound rated systems gypsum wallboard floor ceilings wood framing floor truss cad file name golds dwg or golds dxf no.

These include the finish floor the substrate and the ceiling system below in addition to your choice of sound mat or soundproofing underlayment. Measures a floor ceiling assembly s resistance to transmission of structure borne or impact noise such as footfall or a chair dragging on the floor. In base layer and 1 5 8 2. Fire resistance ratings represent the results of tests on assemblies made up of specific materials in a specific configuration.

Fm fc 214 two layers 1 2 12 7 mm fire shield c wallboard est. 7 usg acoustical assemblies components acoustically rated systems have been comprehensively tested for sound. Description stc test no. This catalog of sound rated wall and the purpose of the indexing system is.

One hour fire rated partition 3. Impact isolation measurement of the ability of a floor ceiling assembly to isolate sound from footfall and other impact sources class iic reducing the intrusion of noise into rooms directly below. Wall floor assembly guide construction designs for acoustical control sound can transmit between electrical outlets through wiring separate wiring of each occupancy can minimize this problem. Insulation for sound fire rated assemblies.

There are a number of factors that determine the impact insulation class or iic of your floor ceiling assembly. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1. Iic 50 the least amount of impact sound transmission reduction considered effective. Two hour fire rated partition.

Fire tests may be conducted at any one of several recognized facilities. The lowest iic rated floors ceiling assemblies come in at around 25 and the highest rated systems can come in at 85 and up. Iic national gypsum quick selector general reference 23 9 1 hr. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.

Stc and iic lab tests. Stc rated wall assemblies. 25 gauge metal studs 24 with 1 type s drywall screws 36 o c. One hour fire rated partition parallel to one side of min.

Iic impact isolation class astm e492 e989 and stc sound transmission class astm e336 e413 are both tests for sound traveling through the total floor ceiling assembly from an upper living area to a lower living area.