Iic Rated Floor Assemblies

Iic national gypsum quick selector general reference 23 9 1 hr.

Iic rated floor assemblies. In base layer and 1 5 8 2. Description stc test no. Some occupants would be dissatisfied with this level of. Stc and iic lab tests.

There are a number of factors that determine the impact insulation class or iic of your floor ceiling assembly. The lowest iic rated floors ceiling assemblies come in at around 25 and the highest rated systems can come in at 85 and up. Vibrating equipment should be. 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. Fm fc 214 two layers 1 2 12 7 mm fire shield c wallboard est. Two hour fire rated partition. Stc rated wall assemblies.

Fire resistance ratings represent the results of tests on assemblies made up of specific materials in a specific configuration. 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. 7 usg acoustical assemblies components acoustically rated systems have been comprehensively tested for sound. Fire rated floor ceiling assemblies using metal framing stc 50 iic 50 fire rating as shown 1.

Impact sound complaints are common on floor ceiling assemblies that meet the bare minimum requirement of 50 decibels iic. One hour fire rated partition parallel to one side of min. 25 gauge metal studs 24 with 1 type s drywall screws 36 o c. 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.

One hour fire rated partition 3. Stc rates a partition s or material s ability to block airborne sound such as a television or people having a conversation. Common guidelines to use when selecting the proper iic rating for your space. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b.

Dupree office of noise control california department of health services berkeley california 94704 introduction building codes. This catalog of sound rated wall and the purpose of the indexing system is. Rating of partitions floor ceiling assemblies roof ceiling assemblies beams and columns. Insulation for sound fire rated assemblies.

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.