Waterproof Sealant

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save 20% with code: BLACKFRIDAY2024
  • Over 1,000,000 gallons sold
  • Ideal for roofs, metal roofs, wood, concrete & more
  • UV Stable, Safe indoors/outdoors, non-toxic & VOC-free
  • Simple paint on application saving you thousands!
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Build your Waterproof Sealant Kit
Find your recommended Waterproof Sealant kit products.

About Waterproof Sealant

Liquid Rubber Waterproof Sealant/Coating is a UV stable, water-based flexible coating. Use on metal, sloped roofs, planter boxes, foundations, sheds, basements, metal, wood, concrete, and more.

    Looking for a reliable solution to protect your home from water damage? Look no further! Liquid Rubber Waterproof Sealant is the ultimate waterproofing membrane that goes beyond just slowing down water—it completely stops it in its tracks. This advanced sealant is painted on and cures into a highly elastic membrane with 900% elongation, ensuring long-lasting protection even in the most challenging conditions.

    What sets Liquid Rubber apart? It's eco-friendly, non-toxic, and safe for both indoor and outdoor use, including confined spaces. No special protective equipment is needed, making it a hassle-free option for DIYers and professionals alike. Originally developed for demanding commercial and industrial applications, this top-tier product is now available for your home projects.

    With over 20 years of industry expertise, Liquid Rubber offers robust warranties that give you peace of mind. Ready to get started?  The Liquid Rubber Product & Application Support team is here to help you every step of the way.

    Huge Savings!
    I wanted to find a way to do preventative maintenance on the flat portion of roof on my home and after talking to support, I was confident I could do this myself. I am pleased with the results and even happier with all the money I saved by doing it myself!
    Jim JohnsonWaterproof Sealant

    What homeowners are saying about Waterproof Sealant

    Huge Savings!
    I wanted to find a way to do preventative maintenance on the flat portion of roof on my home and after talking to support, I was confident I could do this myself. I am pleased with the results and even happier with all the money I saved by doing it myself!
    Jim JohnsonWaterproof Sealant
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    What homeowners are saying about Waterproof Sealant

    Huge Savings!
    I wanted to find a way to do preventative maintenance on the flat portion of roof on my home and after talking to support, I was confident I could do this myself. I am pleased with the results and even happier with all the money I saved by doing it myself!
    Jim JohnsonWaterproof Sealant
    1/1

    Build Your Flat/Low Slope Roof Kit

    Choose your options to find the right products for your kit.

    Choose Application

    Choose Roof Type

    If you're unsure about the type of roof you have, please refer to the Flat & Low Slope Roofs Application Guideline.

    If you're unsure about the type of roof you have, please refer to the Flat & Low Slope Roofs Application Guideline.

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

    Liquid Rubber Seam Tape and Geo-Textile reinforce seams, joints, vents… that are prone to leaking. 

    Seam Tape - Peel and stick option, quick application and ready to be top coated.

    Geo-Textile - Fabric embedded into the coating using the 3 course method. 

    Feet

    Liquid Rubber Seam Tape and Geo-Textile reinforce seams, joints, vents… that are prone to leaking. 

    Seam Tape - Peel and stick option, quick application and ready to be top coated.

    Geo-Textile - Fabric embedded into the coating using the 3 course method. 

    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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    Choose Products

    Find your Roof products below and add to cart!

    Waterproof Sealant
    Waterproof Sealant
    Heavy duty waterproofer that can be exposed to UV/Sun. Only comes in Black. Not meant as a daily, walking surface.
    RV Roof Smart Cleaner
    RV Roof Smart Cleaner
    Non-Toxic - Clean your roof without killing your grass or polluting the sewers.
 Promotes better adhesion of coatings.
    EPDM & TPO Primer
    EPDM & TPO Primer
    Using the correct Primer promotes adhesion and extends the life of your roof coating. Click on "Change Primer" for more details.
    Multipurpose Primer
    Multipurpose Primer
    Promotes better adhesion and reduces peeling and flaking.
    Concrete Etch
    Concrete Etch
    Cleans and opens concrete pores to promote better adhesion. Easier to use than an acid etch product.
    Seam Tape
    Seam Tape
    Used to bridge across larger areas and protect areas prone to leaking/movement.
 Excellent adhesion.
    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
    Select Color
    Can be used as an adhesive, sealant and crack filler. Will not shrink back when curing.
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    Waterproof Sealant

    How to Use Waterproof Sealant

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    Essential Resources for Your Project

    Waterproof Sealant Gallery

    See what our customers have done with Waterproof Sealant
    Gallery Slides
    Flat Roof - Waterproof Sealant
    Flat Roof - Waterproof Sealant
    Flat roof sealed with Liquid Rubber Waterproof Sealant

    • Can I use Waterproof Sealant on a vertical surface?

      Yes. Waterproof Sealant can be used for a variety of projects, including roofs, grain bins, planter boxes. For specific projects not listed please contact our Product and Application Support Team.

    • Can I go over old paint?

      Yes, you must remove all loose, flaking paint and then rough sand the well adhered paint before cleaning.

    • How long does it take to get my order once I have placed it?

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

    • Can I get a First Purchase discount?

      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.

    Questions about Waterproof Sealant

    • Yes. Waterproof Sealant can be used for a variety of projects, including roofs, grain bins, planter boxes. For specific projects not listed please contact our Product and Application Support Team.

    • Yes, you must remove all loose, flaking paint and then rough sand the well adhered paint before cleaning.

    • 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.

    Need some help?

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

    Why Liquid Rubber?
    • Over 1 Million Gallons Sold
    • Free Returns
    • Free Shipping Over $49.95

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