Iic Ratings Of Different Flooring Materials

Note the lower reduction of frequencies below 315 hz.

Iic ratings of different flooring materials.

Once treated with a sound impact underlayment the construction could achieve an iic of 70. The sound absorption and reduction metrics of the roberts felt are strong with a stc rating of 66 and an iic rating of 67. Find the best home flooring options for durability dog or pets sustainability diyers and fire resistance. The test measures airborne sound transmission loss between 125 and 4000 hz iic.

It is recommended to be cautious when a manufacturer does not explicitly list each element of the assembly. Catalog of stc and iic ratings for wall and floor ceiling assemblies russell b. Sounds defined in this range include voices music televisions pet noises and others common to habitation. A midrange level is iic rating 60 which includes some vinyl flooring as well as wood and laminate floors.

The lowest iic rated floors ceiling assemblies come in at around 25 and the highest rated systems can come in at 85 and up. This results in a very significant reduction of the vibrations being transferred through the structure with a corresponding reduction in noise. The international building code suggests a rating of 50 or more for iic and stc but allows 45 or more for fiic or fiic field tests. Dupree office of noise control california department of health services berkeley california 94704 introduction building codes.

Approximate iic rating on 6 thick concrete slab floor 150 lbs cu ft approximate iic rating on lightweight concrete capped wood floor. An iic rating 50 means that the flooring material has minimal sound absorption capabilities. Living room hallway whole house and more. Smoke mirrors and stc iic ratings.

Floor coverings with a high iic rating help to reduce impact sound transmissions to lower levels thus reducing or eliminating those bothersome noises. Vinyl with no backing or cushion vinyl composition tile biobased tile medintone medley medintech royal natural creations parallel natural living natural personality luxe luxe with fastak. Stc is a sound rating that attempts to measure the effectiveness of an assembly in addressing ambient or airborne sound. The highest rating is iic rating 65 which includes cork flooring and carpet.

For example the iic of a basic wood sub floor with no resilient underlayment is between 40 45 iic. To put that into perspective the international building code requires each rating to be at least 50 and many state municipal or hoa codes require stc and iic to be at least 60 for multi unit buildings. Homeadvisor s best flooring types guide reviews all indoor flooring materials for every room.