Specials & Offers Appliances Bath Blinds & Window Treatments Building Materials Lumber & Composites Cleaning Home Décor Lighting Doors & Windows Electrical Flooring Hardware Heating, Venting & Cooling Kitchen Garden Center Outdoors Paint Plumbing Holiday Decorations Smart Home Storage & Organization Tools Automotive Furniture Home Depot Gift Cards Credit Card Services Home Services Home Depot Rental Pro Services & Contractor Supply Project Calculators DIY Projects and Ideas Local Ad Store Finder Site Map

#1 Home Improvement Retailer

Cart

Cart

/

/

Flooring Supplies

/

/

Underlayment

CUSTOM BUILDING PRODUCTS UNDERLAYMENT

Lifeproof

Concrete

Tile

Shop Savings

4 Results

Filters

Filters

Get It Fast

In Stock at Store Today

Same-Day Delivery

Department

Flooring
Flooring Supplies
Surface Prep

Review Rating

5

4 & Up

3 & Up

2 & Up

1 & Up

4 & Up 3 & Up 2 & Up 1 & Up

Price

to

$20 - $30

$50 - $100

$100 - $150

$150 - $200

$500 - $600

Special Values

Brand

Schluter

ROBERTS

Dekorman

QuietWalk

wedi

FloorMuffler

Goof Proof Shower

STEICO

DURAL

TrafficMaster

CalFlor

Custom Building Products

NOFP

QUIETBOARD

QuietSound

natural

Eco Cork Foam

MP Global Products

SOUND STEP

shhh! The Silencer

DRICORE

Insulayment

MSI

Old Mill Brick

QEP

AbsorbaSound

CALI

Comfortboost

DMX 1-STEP

DMX TILE MEMBRANE

Floorlot

Fortifiber

Global Specialty Products

Lifeproof

Nance Carpet and Rug

Pergo

ProFlex

Proteco

QuicPrep

SOUNDBUFFER

Wellco

Flooring Type

Tile

Ceramic

Porcelain

Stone

Cement

Concrete

Vinyl

Flooring Material Features

No mixing required

Rapid setting

Double sided

Moisture resistant

Waterproofing membrane

Attached vapor barrier

Crack resistant

Mold/mildew resistant

Sound absorbing

Waterproof

Package coverage (sq. ft.)

10

30

54

108

120

Material

Other

Synthetic Fiber

Fabric

Sort by

Top Sellers

RedGard 39.4 in. W x 16.5 ft. L x 3 mm T Uncoupling Mat for Tile, Ceramic, Porcelain, Stone

Custom Building Products
RedGard 39.4 in. W x 16.5 ft. L x 3 mm T Uncoupling Mat for Tile, Ceramic, Porcelain, Stone

Model# RGM254

$2.02

/sq. ft.

($109.00)

New

RedGard 108 sq. ft. 39.37 in. W x 32.8 ft. L x 30 mm T Tile Fabric Membrane Underlayment for Concrete Flooring

Custom Building Products
RedGard 108 sq. ft. 39.37 in. W x 32.8 ft. L x 30 mm T Tile Fabric Membrane Underlayment for Concrete Flooring

Model# RFM108

$1.80

/sq. ft.

($194.00)

SimpleMat 30 sq. ft. (9 in. W x 3.3 ft. L x 5 mm T) Tile Setting Mat for Tile, Ceramic, Porcelain, Stone

SimpleMat 30 sq. ft. (9 in. W x 3.3 ft. L x 5 mm T) Tile Setting Mat for Tile, Ceramic, Porcelain, Stone

Custom Building Products
SimpleMat 30 sq. ft. (9 in. W x 3.3 ft. L x 5 mm T) Tile Setting Mat for Tile, Ceramic, Porcelain, Stone

Model# SMCR30

$2.33

/sq. ft.

($69.97)

EasyMat 120 sq. ft. 48 in. W x 30 ft. L x 12 mm T Underlayment for Tile and Stone

Custom Building Products
EasyMat 120 sq. ft. 48 in. W x 30 ft. L x 12 mm T Underlayment for Tile and Stone

Model# SGL12

$579.63

/roll

Installation Services

Vinyl Flooring Installation

For Vinyl Plank Installation and more, our authorized pros can get the job done right.

Download Our App

How doers get more done™

Need Help? Visit our Customer Service Center

Support

Customer Service Center
Check Order Status
Pay Your Credit Card
Order Cancellation
Return Policy
Refund Policy
Shipping & Delivery
Product Recalls
My Preference Center
Privacy & Security Center

Resources

Specials & Offers
Military Discount Benefit
DIY Projects & Ideas
Truck & Tool Rental
Installation & Services
Moving Supplies & Rentals
Protection Plans
Rebate Center
Gift Cards
Catalog
Subscriptions

About Us

Careers
Corporate Information
Digital Newsroom
Home Depot Foundation
Investor Relations
Government Customers
Suppliers & Providers
Affiliate Program
Eco Actions
Corporate Responsibility
Home Depot Licensing Information

Special Financing Available everyday*

Pay & Manage Your Card Credit Offers

Get $5 off when you sign up for emails with savings and tips.

Home Depot Blog

Home Depot on YouTube

Home Depot Mobile Apps

Our Other Sites

The Home Depot Canada

The Home Depot México

Shop Our Brands

Need Help?

Visit ourCustomer Service Center orText 38698

© 2000-2025 Home Depot. All Rights Reserved. Use of this site is subject to certain Terms Of Use.

Local store prices may vary from those displayed. Products shown as available are normally stocked but inventory levels cannot be guaranteed.

For screen reader problems with this website, please call 1-800-430-3376 or text 38698 (standard carrier rates apply to texts).

Store Locator|
©2000-2025 Home Depot|
Privacy & Security Statement|
Terms|
My Preference Center|
California Privacy Rights & Report|
Limit the Use of My Sensitive Personal Information|
Do Not Sell or Share My Personal Information|
California Supply Chain Act
Site Map
Store Directory

Provide Feedback