The flooring underlayment can also be a thin and hard layer like plywood or cement board. The soft underlayment is usually installed under a top floor of carpet or laminate. This is typically a softer layer, like cork and foam, that is put on the subfloor before the final floor is installed. The underlayment of a floor is installed to give a smooth and even surface that provides a predictable surface and installation. IIC 65 has the highest level of absorption. Examples of flooring in this rating are usually cork and carpet. IIC 60 is the medium impact rating. Examples of flooring in this rating are usually laminates and wood. Examples of flooring in this rating are usually tile and stone. Some numbers you will see as it relates to IIC are: When a wood floor that is not insulated is tested, the reading is around 40, which falls below the requirement of 50. When this happens, it creates vibrations that measure on a scale that is similar to STC. Someone in the lab taps the material with a steel hammer. This test is also done in a lab in a bit of a low-tech way. IIC is a measurement of how well the material is able to block the amount of structure-borne noise. The fact that it is a logarithmic calculation means that you will see small increments in the number, but those small increments make a big difference in the amount of sound it can block. The number is calculated with a logarithmic calculation. The higher the number means, the better able the material is to reduce airborne noise. These tests result in a number that ranges between 15 to 80. There are a set of lab tests that are used to determine the STC. STC is a measurement of how well the material is able to reduce the amount of airborne noise. Sound Transmission Class (STC) and Impact Insulation Class (IIC) are two metrics you should consider. When you are considering an underlayment (more about this later) for your floor, you want to pay attention to some of the important metrics. You also need to make sure the flooring you select makes sense for the area in which you are installing the floor. While these two measurements are important, they are not the only metrics you want to consider. When considering the appropriate soundproofing flooring materials, you want to look at both measurements. There is more about STC later in this article. The term sound transmission class (STC) is what determines the ability of the material to prevent the transmission of airborne sound. This type of sound easily transmits through the floor into other parts of the house or building. Airborne SoundĪirborne sound comes from people, instruments, and speakers. There is more about ICC later in this article. This is called the impact insulation class (ICC). The material on the floor has a measurement that indicates how effective the flooring is at preventing the transmission of noise. This noise can disturb anyone that is in your building.Īcoustic flooring is intended to insulate the noise made from impact, and it prevents it from transmitting to the floors underneath the floor. The noise and energy that are generated by the impact of the items in your building will transmit throughout your entire building. Regardless of the sound that you hear in your building from carts, to machinery, to people walking, the floors of your building or home take the weight of the impact. There are two different types of noise that can transmit through the floor. Related Articles: 10 Different Types of Sound Proof Room Dividers | How To Soundproof a Room | 2 Main Types of Soundproof Glass | Portable Soundproof Rooms | Types of Soundproof Windows | Types of Soundproof CeilingįAQs Noise Types That Acoustic Flooring Can Preventīefore you can determine which soundproof flooring is right for you, there are some you need to know. Read this article to find out about all the different types of soundproof flooring. That is until I find a way to dampen the noise, including using soundproof flooring. I can hear them clomping throughout the house. I have small kids, and they have not yet grasped how to walk quietly. I did not realize all of the ways I could soundproof my house. If you cannot stop it, you want to at least reduce the noise. When there is someone around you that is creating a large amount of noise, you may be desperate to find ways to prevent that sound. There is nothing worse than the noise you cannot control. Read about all of them here before you make your decision about which one is the best option for you. There are quite a few floor soundproofing option that you may consider. It seems to be more important now than ever. Protecting your hearing, and possibly your sanity, is important.
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