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

/

Building Materials

/

/

Foam Board Insulation

sponsored banner

Foam Board Insulation

Moisture Retardant

Product Thickness (in.): 1 in

Product Thickness (in.): 2 in

3 Results

Filters

Filters

Get It Fast

In Stock at Store Today

Department

Building Materials
Insulation

Foam Board Insulation

Product Thickness (in.)

0.63 in

1 in

2 in

Insulation Location

Basement

2x4 Wall

Attic

Garage

Exterior Sheathing

2x6 Wall

2x8 Wall

Ceiling Insulation

Metal Building

Re-Siding

Crawlspace

Interior Wall

Insulation R-Value

R10

R3.0

R5

Insulation Features

Mold Resistant

Formaldehyde Free

Soundproofing Insulation

Vapor Retardant

Moisture Retardant

Pack Size

1

9

12

Eco Friendly

Energy Star

Sort by

Top Sellers

1 in. x 2 ft. x 48 in. R5 Radiant Acoustic Insulation Kit - STC 19 (12 sheets) - 96 sq. ft.

SilveRboard
1 in. x 2 ft. x 48 in. R5 Radiant Acoustic Insulation Kit - STC 19 (12 sheets) - 96 sq. ft.

Model# SB12AKIT

$97.32

/package

R10 High Density 35 PSI Under Slab Insulation Kit - (10 Sheets) 2 in. x 2 ft. x 4 ft. - 80 sq. ft.

SilveRboard
R10 High Density 35 PSI Under Slab Insulation Kit - (10 Sheets) 2 in. x 2 ft. x 4 ft. - 80 sq. ft.

Model# SB35S200424KIT

$263.68

Top Rated

0.625 in. x 48 in. x 24 in. 72 sq. ft. R-3 Graphite Radiant Barrier Wall Insulation Kit (9-Sheets/Kit)

SilveRboard
0.625 in. x 48 in. x 24 in. 72 sq. ft. R-3 Graphite Radiant Barrier Wall Insulation Kit (9-Sheets/Kit)

Model# SBGXS062502PKIT

$59.94

Installation Services

Attic Insulation Installation

Attic insulation improves home energy efficiency and comfort. Get started with a free consultation for stress-free and mess-free professional installation.

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