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What Should I Look For in Laminate Flooring Underlayment?

by Bob and Betsy
Published: Updated: 4 comments 8 minutes read

Dear Bob and Betsy,

I need underlayment. I got that. Now, what should I look for in laminate flooring underlayment so I make sure to buy the right type for my floors?
– Jon P.

Dear Jon,

When it comes to underlayment options, you have a lot to choose from. It’s understandable that things get a little bit overwhelming trying to sort through it all. You want to make the right purchase decision, but where do you start? We have compiled more information for you to help to decide what’s best for you. Cheers! Bob & Betsy

Does Your Laminate Flooring Have Underlayment Attached Already?

Search by Features- Attached Pad

The first thing you need to look at when deciding what type of underlayment you need is whether or not your floors already have it attached.

Some floors come with pre-attached underlayment to make your installation easier. If you are installing your floors on a wood subfloor, you don’t need to buy any underlayment for your project! If your subfloors are cement, you should still purchase a Visqueen Vapor Barrier underlayment to keep moisture away from your floors.

If your floor does not come with underlayment pre-attached, you have a few options to choose from. Your subfloor plays a role in what option is best for you.

For Wood Subfloors

On wood subfloors, there are three types of underlayment you can use:

  • Good underlayment is the standard 3-millimeter underlayment. It’s nothing fancy but it works.
  • Better underlayment is either the Vapor 3-in-1 silver or Provent Silent Vapor 3-in-1. 3-in-1 underlayments offer a threefold protection – They protect your floors, keep out moisture and reduce sound pollution.

Optimal underlayment is the Floor Muffler Ultra Seal, or Roberts Silent 3-in-1. Each of these have the same threefold benefits as the Provent option, but they work much better.

For Cement Subfloors

When installing on a cement subfloor, you need extra moisture barriers to prevent warping and damage. That changes your underlayment needs.

  • Good underlayment is Vapor Barrier 2-in-1 or Vapor Barrier 3-in-1 Blue. Either one is effective at keeping out moisture.
  • Better underlayment is Vapor 3-in-1 Silver or Provent Silent Vapor 3-in-1. These both offer protection against moisture, damage, and sound.

  • Optimal underlayment is again the Floor Muffler Ultra Seal or Roberts Silent 3-in-1. These have proven to work the best time and time again.

The underlayment you choose is up to you. However, if you plan to live in your house or work in your office building for years to come and want the most protection for your new floors, it’s best to go with the optimal underlayment option.

We offer all of these types of underlayment for your project. Browse through our selection and reach out to us using the chat box on our website with any specific questions.

Learn more about underlayment:

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George Rauscher September 30, 2019 - 8:46 pm

can you tell me the sound deadening rating of the following?

Rigid Core Luxury Vinyl Flooring Model # 1127904L, Special Order SKU 1002-145-250
Rigid Core Luxury Vinyl Flooring Model # 106204L, Special Order SKU 1003-405-552

Alana Kane October 1, 2019 - 10:29 am

Hi George, thanks for reaching out. Usually flooring does not come with a sound dampening rating. This is specifically found with underlayments. If it is a rigid core vinyl, you will have a pretty quiet plank since it has a solid core. Hope this helps!

Sheila October 27, 2017 - 12:09 pm

Can I put vinyl planks onto of carpet underpad?

Ashley Tolfo October 27, 2017 - 3:12 pm

Hi Shelia – No, you cannot use carpet pad under vinyl plank flooring. Carpet padding is much too thick to go under vinyl flooring. It has too much cushion and will cause your locking system to break and will void your manufacturer’s warranty. You should use only special LVT underlayment, such as Floor Muffler LVT, Perfect Mat LVT, or Rest Assured LVT.


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