Floating Floor Underlayments can vary widely. Many companies tend to use the lowest quality inexpensive foam which has helped to give laminate floors a reputation for sounding hollow and tinny.
We prefer to use the higher quality products like the floor muffler which is comprised of closed cell foam which is proven to be one of the most effective acoustical underlayments on the market.
This technology has a limited lifetime warranty for the life of your floor, is environmentally friendly, strong and provides a mold and mildew resistant barrier.
Stop by to check out the golf ball test to see how it works to reduce sound transmission on both hardwood and laminate floors. This product is rated IIC on the impact isolation class test rating of 74 and the STC sound transmission class rating 73.
We also recommend another product called the Silencer.
Here is another product with very high ratings for acoustical underlayments with moisture barrier and has been treated with Ultra-Fresh as an antimicrobial protection: