Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

3.83-ft W x 26.33-ft L x 6 -mils T Poly film Moisture Resistant Vapor Barrier 100-sq ft Flooring Underlayment For Use Under Vinyl Plank, For Use Under Laminate, Hardwood

Ratings & Reviews for Project Source 3.83-ft W x 26.33-ft L x 6 -mils T Poly film Moisture Resistant Vapor Barrier 100-sq ft Flooring Underlayment For Use Under Vinyl Plank, For Use Under Laminate, Hardwood

4.5
659
Review
 4.5 out of 5
659 Reviews


90% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise this underlayment for its exceptional moisture barrier performance and ease of installation. Most highlight its durability, reliability under vinyl plank and laminate flooring, and user-friendly design with built-in adhesive strips that simplify joining sheets. Reviewers consistently note the flexibility, ease of cutting, and ability to lay flat, making it ideal for DIY projects. Many emphasize the strong value proposition, describing it as cost-effective and high-quality. A few mention the roll size falls slightly short of advertised coverage or that it feels thinner than expected, but these concerns are minimal. Overall, most customers report strong satisfaction and would purchase again.

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

Great product

Would Recommend

Lays easy, cuts easy, no issues.

June 28, 2026
Was this Review Helpful ?

Product as advertised

Easy to use

June 17, 2026
Verified Purchaser
Was this Review Helpful ?

Simple to install

Would Recommend

Easy to install and is exactly what I needed for my bathroom subfloor.

June 16, 2026
Verified Purchaser
Was this Review Helpful ?

Friendly

Would Recommend

The employees are always friendly and polite! They are helpful in helping me locate items.

June 15, 2026
Verified Purchaser
Was this Review Helpful ?

This product was very easy to use for the job.

Would Recommend

This product was designed for my flooring wood installation project.

June 15, 2026
Verified Purchaser
Was this Review Helpful ?

Great quality

Would Recommend

Easy to cute. Easy to lay. Plenty of it

June 12, 2026
Verified Purchaser
Was this Review Helpful ?

Good value

Would Recommend

Easy to roll out

June 10, 2026
Verified Purchaser
Was this Review Helpful ?

Moisture barrier easy to install

Would Recommend

We used this as a moisture barrier prior to installing vinyl plank flooring. In large areas it was easy to install and the overlap with the sticky tape worked well to hold the film in place even when walking on it. It was more difficult to install in places that were not wide enough to lay the film down flat such as in a doorway, hallway and the bathroom. In doorways, I would cut a scrap piece to lay through the doorway and then start again on the other side. It was easier to use than I actu...

June 8, 2026
Verified Purchaser
Was this Review Helpful ?

Lots of product for a small project. but was fine

Would Recommend

Worked well. Easy to work with. Too much product for my project.

June 7, 2026
Verified Purchaser
Was this Review Helpful ?

Great value, great quality, GREAT PRICE!

Would Recommend

This is a nice thick underlayment for our downstairs bathroom at an unbeatable price.

June 5, 2026
Verified Purchaser
Was this Review Helpful ?

Moisture barrier

Would Recommend

Easy install

June 3, 2026
Verified Purchaser
Was this Review Helpful ?

Nice water barrier.

Would Recommend

Loved how thin this was and it got my project perfectly.

May 31, 2026
Verified Purchaser
Was this Review Helpful ?