Floor Iic Rating

Many properties are now requiring sound control ratings in the high 50 s or low 60 s range.

Floor iic rating.

Further complicating matters is the effect that poor construction techniques may have on the field iic performance of your flooring 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. The standard requires a minimum laboratory stc rating of 50 for party walls and floor ceilings. I am doing reno s on a condo and they have a specific requirement.

All too often this plenums and suspended ceilings unbaffled ducts window to window outdoors common heating units transoms and air grilles unblocked joist spaces uncaulked wall perimeters ducts piping and fixtures masonry joints. 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. The highest rating is iic rating 65 which includes cork flooring and carpet. The microbeads in the underlayment allow for maximum bounce back and circulation so no mold or mildew gets a chance to grow.

Iic values can range from as low as 25 for lightweight residential construction with no floor covering to over 65 for commercial construction with carpet. Insulation ratings for flooring what s behind the numbers the more multifamily unit houses that are built the more important acoustic testing insulation ratings sound ratings becomes. Higher end units often expect iic ratings between 55 65. It is also one of the most controversial and confusing topics a homeowner strata council architect or designer will ever encounter.

This unique underlayment retains 96 of it s original thickness after 7 days compared to only 57 by leading 3 in 1 foam products. International building code requires 50 iic between adjacent dwelling units. Luxury vinyl flooring and iic stc ratings. Floor coverings with a high iic rating help to reduce impact sound transmissions to lower levels thus reducing or eliminating those bothersome noises.

A midrange level is iic rating 60 which includes some vinyl flooring as well as wood and laminate floors. The quietwalk underlayment provides very high ratings such as iic of 71 and stc 66 as of mid 2018. How do i find out the impact insulation class rating and sound transmission class ratings for the lifeproof luxury vinyl flooring. Local municipalities can have different rating requirements.

On top of that the manufacture of the floor covering can use different materials. More typical values fall between 35 and 55. The stc rating is 67db and the iic rating is 68 perfect for condos and apartments. All ratings are not equal as with any underlayment sound testing number that a company gives you each subfloor or floor assembly in your home.