Iic Flooring Rating

I am doing reno s on a condo and they have a specific requirement.

Iic flooring rating.

The test measures airborne sound transmission loss between 125 and 4000 hz iic. The preferred level of performance for stc and iic is 60 57 f iic. How do i find out the impact insulation class rating and sound transmission class ratings for the lifeproof luxury vinyl flooring. Under field f conditions the measured fstc rating is about five points lower than the laboratory rating and this difference is acknowledged in the building codes.

For multi family structures some codes require an iic of 50 or more when tested in the laboratory or 45 or more when tested in the field. It is recommended to be cautious when a manufacturer does not explicitly list each element of the assembly. An iic and stc rating will generally be 5 points higher than. The highest rating is iic rating 65 which includes cork flooring and carpet.

Common guidelines to use when selecting the proper iic rating for your space. The quietwalk underlayment provides very high ratings such as iic of 71 and stc 66 as of mid 2018. The lowest iic rated floors ceiling assemblies come in at around 25 and the highest rated systems can come in at 85 and up. All ratings are not equal as with any underlayment sound testing.

An iic rating 50 means that the flooring material has minimal sound absorption capabilities. More typical values fall between 35 and 55. The higher the stc rating the better the parti tion is at stopping airborne noise. Thus if an stc 50 is the required laboratory rating a field test of 45 is equivalent.

Impact insulation class iic test result from a monofilament acoustical underlayment for a product delivering an iic rating of 52. Note the lower reduction of frequencies below 315 hz. A midrange level is iic rating 60 which includes some vinyl flooring as well as wood and laminate floors. Here is a video describing in more detail the ins and outs of iic ratings.

Smoke mirrors and stc iic ratings stc is a sound rating that attempts to measure the effectiveness of an assembly in addressing ambient or airborne sound. Iic values and our floors. It offers credible sound reduction for structure borne noise with exceptional iic ratings for all assemblies and does help increase the stc rating when used in a soundproof flooring assembly. Luxury vinyl flooring and iic stc ratings.

Iic 50 the least amount of impact sound transmission reduction.