What is a good Delta IIC?

The IIC ratings for basic concrete sub-floor with no resilient underlayment is around 28 to 35 IIC. The IIC ratings for basic wood structure with no resilient underlayment is around 40 to 45 IIC.

What is a good IIC rating for underlayment?

An IIC rating of 50 and above is most common in building code and HOA requirements. The GenieClips® RST or HushFrame Raftare most commonly used on the ceiling to improve the IIC rating, while GenieMat® RST rubber underlayment or Acoustic Sleepers are most commonly used on the floor to improve the IIC rating.

What is a delta rating?

Delta Air Lines is Certified as a 3-Star Airline for the quality of its airport and onboard product and staff service. Product rating includes seats, amenities, food & beverages, IFE, cleanliness etc, and service rating is for both cabin staff and ground staff.

What are the Delta IIc ratings for laminate flooring?

Each laminate underlay will have different Delta IIC numbers, so you would want to look at the numbers. Here is a chart of our underlayment in descending order of Delta IIC Rating test.

What does Delta IIc stand for in Acoustic category?

Acoustic solutions to increase IIC ratings include sound isolation clips, impact sound underlayments, and other anti-vibration materials. Delta IIC rating shows what the product adds to the assembly in terms of impact sound isolation.

What do you need to know about Delta IIc?

The Delta IIC test starts by testing a full assembly, typically six to eight inches of concrete, with nothing above or below the concrete. Then an underlayment installs directly to the concrete, and the same test repeats. The Delta IIC rating is the performance gain between the first and second test.

How does an underlayment get an IIc rating?

Many underlayments claim high IIC ratings, but be aware of what other materials are used in the assembly to get this IIC rating. A combination of multiple components are required to achieve the IIC value, no one single product will achieve this value.