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450-sq ft 3.34-ft W x 135-ft L x 2 -mm T Standard Foam Moisture Resistant Flooring Underlayment For Use Under Laminate, Hardwood

Ratings & Reviews for Project Source 450-sq ft 3.34-ft W x 135-ft L x 2 -mm T Standard Foam Moisture Resistant Flooring Underlayment For Use Under Laminate, Hardwood

4.5
623
Review
 4.5 out of 5
626 Reviews


90% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

This underlayment product is generally effective at providing a moisture barrier and facilitating a smooth installation process. Most users found it easy to work with and compatible with various flooring types. However, some customers reported quality issues, such as wrinkled material at the end of the roll, and concerns about the adhesive system not performing as expected. While a solid choice for basic underlayment needs, the product's value may not align with the features and performance for all customers.

Customer review summary generated by AI, including incentivized reviews.
626 Customer Reviews

great Underlayment

Would Recommend

Project source foam underlayment is easy to use. we used it under ceramic click plank flooring. The underlayment has an overlay on one side and a sticky strip on the other to connect each row of underlayment. this product was easy and straightforward to use. I would recommend this product to anyone laying down flooring like we did over concrete. this underlayment absorbs the cold coming from the concrete and helps with noise while walking on it.

December 31, 2025
Lowe's Loop
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Super

The underlayment was a great purchase at a great price.

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Difficult to lay a parallel piece.

Would Not Recommend

The QR code was supposed to be a link to installation instructions but it was only just a poorly streaming promotion of other products. So, lacking real installation instructions the sensible thing was to roll it out with the film side down on the concrete slab and the foam side on top. The problem comes about when splicing another strip along side. The plastic film has an extended edge which is supposed to under-lap the next adjacent strip which has the adhesive tape that gets placed onto t...

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Thin but works.

Would Recommend

Quick and easy to use. It is thin compared to others & is expensive for the thin quality.

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Just make sure that you don’t overlap the layers

Would Recommend

Works great

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Buy tape to seal the barrier and hold it in place.

Exactly what it was supposed to be, a vapor barrier and added cushioning.

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Perfect for laminate flooring.

This is product is perfect for flooring work.

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It looks even better than you think it will.

Would Recommend

We purchased this flooring for our basement. It looks better than we expected!!

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installer was excellent

Would Recommend

color and price

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