Sealing a basement wall

Prevent costly water damage

Sealing a basement wall

Prevent costly water damage

Time to Complete 48 hours
Difficulty Level Beginner
Products Needed 3

Ultimate Basement Protection

Waterproofing your basement can help keep moisture away. Usually a result of water pooling around your foundation, basement water damage can easily be avoided with the application of the Foundation Sealant/Basement Coating.

3 Year Warranty

If your product fails, peels or cracks, we'll replace your failed product.

Real customers Sealing their Basement

Peace of mind in a Pail
While finishing our basement I had heard about Liquid Rubber and how it could create a barrier on our walls. It has given us peace of mind not only to help prevent water coming in through small cracks, but we have noticed a decrease in spiders and bugs as well. Great product!
Max StravinskyBasement Foundation
Slider Controls 1/1

Real customers Sealing their Basement

Peace of mind in a Pail
While finishing our basement I had heard about Liquid Rubber and how it could create a barrier on our walls. It has given us peace of mind not only to help prevent water coming in through small cracks, but we have noticed a decrease in spiders and bugs as well. Great product!
Max StravinskyBasement Foundation
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Build Your Interior Foundation Kit

Tell us the size of your project, and we’ll calculate the total amount of supplies you’ll need to get the job done right.

Choose Your Coating

Foundation Sealant only comes in Black. Color Sealant offers colors. Both can be a little tacky when cured. Both can be painted over with an acrylic paint if desired.

Foundation Sealant only comes in Black. Color Sealant offers colors. Both can be a little tacky when cured. Both can be painted over with an acrylic paint if desired.

How many linear feet of seams, joints do you need to bridge with Geo-Textile?

Reinforces seams, joints, vents. Embedded into the coating using the 3 course method. Similar to doing a drywall joint.

Feet

Reinforces seams, joints, vents. Embedded into the coating using the 3 course method. Similar to doing a drywall joint.

How many linear feet of seams, joints, voids… between 1/8”- 1/2” do you need to fill with Sealant & Adhesive Caulking?

Liquid Rubber Sealant & Adhesive Caulking is used to fill voids larger than 1/8” - 1/2” (up to 1/2” deep) before being bridged with Seam Tape or Geo-Textile.

Feet

Liquid Rubber Sealant & Adhesive Caulking is used to fill voids larger than 1/8” - 1/2” (up to 1/2” deep) before being bridged with Seam Tape or Geo-Textile.

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Calculate Your Project Size

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Choose Products

Everything you need to seal your interior foundation. Add or remove items as you need them!

Foundation Sealant Basement Coating

Foundation Sealant Basement Coating

Heavy duty waterproofer. Not meant to be exposed to UV/Sun long term. Only comes in Black. Not meant as a walking surface.
Deck and Patio Cleaner

Deck and Patio Cleaner

Safely cleans and brightens your surface and helps prepare for coatings.
Multipurpose Primer

Multipurpose Primer

Promotes better adhesion and reduces peeling and flaking.
Geo-Textile

Geo-Textile

Reinforces seams, joints, vents. Embedded into the coating using the 3 course method. Similar to doing a drywall joint.
Sealant & Adhesive Caulk

Sealant & Adhesive Caulk

Can be used as an adhesive, sealant and crack filler. Will not shrink back when curing.
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Questions about Sealing a basement wall

  • You can use Foundation Sealant, Waterproof Sealant or Color Sealant. Do not mix colored products with black products. To clean the walls, you will need Liquid Rubber Deck & Patio cleaner. For seams cracks and joints, you can use Liquid Rubber Sealant & Adhesive or Liquid Rubber Geotextile fabric

  • It is recommended to remove oil based or recently applied coatings.
    You can apply over most acrylic/latex, polyurethane, alkyd paint, epoxy paints/coatings with the use of our Liquid Rubber Multi-Purpose Primer and using proper cleaning/preparation techniques. Keep in mind that when you apply over an existing coating or paint, if that coating/paint peels, our coating will peel with it as it is bonded to the existing coating/paint and not directly to the substrate.

  • US - Delivered in 3-5 business days
    CAN - Delivered in 3-7 business days
    UK - Delivered in 2-3 business days

  • By signing up and creating an account HERE, you will receive 10% off your first purchase. You will need to check your email and verify it by clicking the link.

  • Yes. It is a good idea on interior applications as this area is subject to moisture vapor drive.

Need some help?

Our team of experts are standing by to help make sure your project is a success. 

Why Liquid Rubber?

  • 3 Year Warranty

  • Over 1 Million Gallons Sold

  • Free Returns

  • Free Shipping Over $49.95