Name: STAINMASTER Waterproof Vinyl Plank 75-sq ft 3.0-ft W x 25.0-ft L x 2.0 -mm T Premium Foam Moisture Resistant Flooring Underlayment For Use Under Vinyl Plank,
Brand: STAINMASTER
SKU: 5014794637
Price: 59.98 USD
Availability: InStock
Rating: 4.8 (149 reviews)

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STAINMASTER Waterproof Vinyl Plank Flooring Underlayment is the premium comfort you need for your floors. Created to be installed underneath floating Vinyl Plank floors, this underlayment provides cushioning and thermal insulation allowing you to walk comfortably in your home. STAINMASTER Underlayment also reduces noise between rooms and floors with its sound absorption. Have floors with a pre-attached underlayment? Enhance their performance by pairing them with our underlayment for added impact and sound reduction. Lastly, install with peace of mind knowing this underlayment has an antimicrobial treatment to prohibit the growth of mold and mildew under the floor and is backed by a Lifetime Limited Warranty. STAINMASTER Vinyl Plank Flooring Underlayment is sold exclusively at LOWE's.

STAINMASTER Waterproof Vinyl Plank Flooring Underlayment protects against moisture, reduces noise between rooms & floors, & provides cushioning for premium comfort
Approved for use with floating vinyl plank floors sold at Lowes, including those with pre-attached pad; not for use with laminate or hardwood floors
Simple roll and easy cut for quick installation
Waterproof underlayment protects floors from damage caused from subfloor moisture
Provides thermal insulation to help prevent cold floors
Infused with antimicrobial protection to inhibit the growth of odor causing bacteria from mold and mildew; No Prop 65 chemicals provide peace of mind for your family and pets
Provides compression strength to support locking joints and can be paired with planks that have a pre-attached pad for extra impact reduction and comfort.
Made in USA from US and imported materials
Covers 75 sq ft with 2mm thickness; Full roll measures 25ft x 3ft

General
Collection Name	Waterproof Vinyl Plank	Package Quantity	1
Type	Roll	Grade	Premium

Dimensions
Coverage Area (Sq. Feet)	75	Thickness Unit of Measure	Millimeters
Length (Feet)	25	Width (Feet)	3
Square Footage Per Roll (Sq. Feet)	75	R-Value per Inch	.258
Thickness	2	Construction Type	Foam

Features
Antimicrobial	Yes	Mold/Mildew Resistant	Yes
Cushioning	Yes	Sound Absorbing	Yes
Enhancements	Antimicrobial, Sound Control, Radiant Heat, Vapor Barrier	STC Rating	More than STC-50
IIC Rating	71-75	Vapor Barrier	Yes
Moisture Resistant	Yes	For Use Over Plywood	Yes

For Use Over
For Use Over Concrete	Yes	For Use Over Existing Hardwood	Yes
For Use Over Subfloor	Yes

For Use Under
For Use Under Luxury Vinyl	Yes	For Use Under Glue Down	No
For Use Under Laminate	No	For Use Under Nail Down	Yes
For Use Under Hardwood	No	For Use Under Luxury Vinyl With Pre-Attached Pad	Yes
For Use Under Porcelain/Ceramic	No	For Use Under Laminate With Pre-Attached Pad	No
For Use Under Floating	Yes

Certifications
CA Residents: Prop 65 Warning(s)	No

Compatibility
Use Over Existing Sheet Vinyl	No

Miscellaneous
UNSPSC	30161700

Check out the Best Selling Flooring Underlayment on Lowes.com

Review

4.8 out of 5

149 Reviews

2 Star

99% Recommend this product

Ratings may include incentivized customer reviews.

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+ 97

What Customers Are Saying

The underlayment provides excellent sound dampening and cushioning, making the floor feel softer and quieter. It is easy to install with a manageable roll size and clear cutting lines. The waterproof barrier protects the subfloor, especially in high-moisture areas. The durable, high-quality material is relatively thin, allowing for a seamless transition to the finished flooring. Customers report the underlayment offers great value with sufficient coverage to complete most home projects.

Customer review summary generated by AI, including incentivized reviews.

149 Customer Reviews

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Good product

Easy installation

May 31, 2026
Verified Purchaser

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Remodel bathroom Only ise Lowe's

Would Recommend

Barne LoveMay 4, 2026
Verified Purchaser

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Awesome product (plank bottom important)

Would Recommend

It has been a while, but the waterproof sheet that goes under planks is pretty awesome. It was not so easy to cut, but it was easy to put down, especially on the edges of the walls. It was difficult to go around the toilet because of the thickness, but still a good product. The type of flange and thickness of planks has to be calculated when putting planks in the bathroom. Be careful of the material on the bottom of your plank, it is difficult to slide after clicking together.

JonApril 16, 2026
Lowe's Loop

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/3cdb9f9d-48aa-5010-9152-4dfec56b29ac

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/a323e1e6-0762-5497-8e05-e6fcfb3b88c4

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/7b5ce59c-c584-5221-9716-8af90fec054f

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/066c98e6-14e5-5ab9-a3f5-f7e5d7754d7b

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Works well under vinyl plank flooring

Would Recommend

Very easy to cut but you will need extra hands to roll it up because it wants to roll back up. Make sure to read the instructions depending on the flooring you are attaching it to.

CozyHoussNovember 17, 2025
Verified Purchaser

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10 Questions

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Using lvp over plywood floors over a crawal space. The plywood needs to breathe. I want to protect my subfloors from moisture. Will this work?

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		Ratings	149
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