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Can You Put Down Two Layers of Laminate Flooring Underlayment to Reduce Noise Pollution?

Dear Bob and Betsy,
I’m laying a laminate floor in a room with no insulation below or above. There’s a basement beneath the room and a ceiling without insulation above it. I’m worried about noise. Can I put down two layers of laminate flooring underlayment to increase the sound absorption?
– Patricia A. 

Dear Patricia,

Underlayment is an essential part of any flooring project. Not only does it add a barrier of protection between your subfloor and the planks of laminate, but it also reduces noise. Some types of underlayment even help to keep moisture out of your room.

In rooms where noise is a concern, such as yours with a basement below and a ceiling without insulation above, it makes sense that you’d like to take extra steps to reduce sound. However, adding a double layer of laminate flooring underlayment isn’t the ideal solution.

Manufacturers of underlayment say that adding two layers of this essential product can actually do more harm than good. The underlayment can shift while you’re walking on it. Over time, this can also cause the planks of laminate flooring to shift. As they do, you’ll start to hear squeaking sounds from the flooring rubbing against each other. Over the lifetime of your flooring, this can cause further damage, reducing the quality of your laminate.

How to Install Floor Muffler Ultraseal Underlayment

Since noise is a concern, we suggest getting a three-in-one underlayment. This is the thickest style of underlayment, so it provides the maximum level of sound absorption.

Three-in-one underlayment products also block moisture. This could prove extremely helpful to you because there is a basement below without added protection against leaks or spills.

For more help choosing the best underlayment for your product, talk to one of our flooring experts. We’re available by chat, email or phone.

Check out three-in-one underlayment installation tutorials:

About Bob and Betsy

Bob and Betsy
Bob and Betsy are the dynamic duo that have all the answers for your flooring related questions! Don't hesitate to submit a question to them at support@bestlaminate.com!

10 comments

  1. Avatar

    Hi, I want to lay a wood or laminate flooring in my hall and lounge. I live in an upper floor retirement apartment which has already got a top quality soundproofing glued to the concrete floor. I’ve been told I’d have to remove this before laying any kind of wood type flooring as it can cause the planking to shift and will negate the guarantee ? Is this absolutely necessary ? Any advice would be welcome as I’m getting more and more confused over what to do ? Many thanks Nina

    • Alana Kane

      Hi Nina, what type of material is it? For a floating laminate or hardwood, it is recommended to lay underlayment over a level subfloor. If the sound proofing is a type of cushion, then laying underlayment over it can be too much padding and affect the joint stability. In this case, yes you would need to remove it and get an underlayment that has sound proofing built in.

  2. Avatar

    I am concerned about products being in flooring that causes cancer. I need to replace flooring that came in my brand new mobile home because of that. The new flooring will be in both bathrooms and a
    Kitchen area. I’m not rich so it will have to be affordable. Also challenging is it has to be soft for the feet as I have very sensitive feet and im.on them alot! What is my choice?

  3. Avatar

    Dear Bob and Betsy,
    We are trying to decide on laminate flooring from two different places and have them install it. It is Pergo Outlast with attached underlayment from Home Depot and Dream Home without attached underlayment from Lumber Liquidators. If we go with the Pergo should we add felt or additional underlayment for soundproofing and insulation? The basement ceiling is not insulated also. We do want a good grade as we have a dog and two cats which get very playful at times. The Dream Home is about $1500 more because of the installation price difference. Need help!!!

  4. Avatar
    Malcolm Campbell

    Hello, do you have a UK supplier for floor fuller as the noise ratings are excellent for the thickness
    Many thanks
    Malcolm

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