Iic Rating Of Cork Flooring

Iic is measured in terms of sound impact or how well sound vibration travels through a floor to the room below.
Iic rating of cork flooring. The iic and stc is conducted at a controlled laboratory. A f iic and f stc rating. The highest rating is iic rating 65 which includes cork flooring and carpet. A midrange level is iic rating 60 which includes some vinyl flooring as well as wood and laminate floors.
An iic rating 50 means that the flooring material has minimal sound absorption capabilities. It is possible that an 11mm cork floating floor on top of the 12mm cork underlay can score a rating of 28 db roughly. The f iic and f stc is conducted in the field where sound is not as controllable hence the 5 point difference. Generally an iic rating of 50 will satisfy the building code requirements.
Other resilient floors such as vinyl cork and rubber have slight give which cushions blows and also helps to increase the iic rating. In addition floating floors such as hardwood or bamboo installed over a resilient underlayment also helps to increase the iic rating of the finished floor. Meet sound insulation iic and stc ratings. Cork underlayment is the best choice for soundproofing for kinds of floor laminate flooring hardwood flooring etc.
The quietwalk underlayment provides very high ratings such as iic of 71 and stc 66 as of mid 2018. Icork floor has 12mm cork underlayment. Hi vik thanks for reaching out. The delta iic rating for 12mm cork underlay 22 db all by itself.
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. Iic impact insulation class iic measures a floor ceiling assembly s resistance to the transmission of structure borne or impact noise. An iic and stc rating will generally be 5 points higher than. On top of that the manufacture of the floor covering can use different materials.
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. That means the 6mm cork 11mm floating cork floor better than good for acoustic ratings. It is also one of the most controversial and confusing topics a homeowner strata council architect or designer will ever encounter.