GoBoard Sealant 10.3 oz

28 Reviews
SKU: 70006417
Available in CT Warehouse More Info
Available in UT Warehouse More Info

Product Details

Product Details

GoBoard Pro Sealant 10.3oz tube

GoBoard Sealant is a hybrid sealant and adhesive that is moisture curing, permanently elastic and provides superior adhesion to GoBoard and other common building materials. Use GoBoard Sealant to waterproof GoBoard joints and fastener penetrations and adhere GoBoard to itself and other building materials that makes it perfect for installing shower niches, and benches.


  • Hybrid polyurethane sealant
  • For use with GoBoard Waterproof Tile Backer Board
  • Easy to dispense with standard caulk gun
  • Good for interior or exterior applications
  • Bonds to a variety building materials including; metals, plastics, wood, foams and ceramics
  • Specifically designed for easy use and quick drying
  • Estimate one tube 10.3 oz of sealant for every 1-1/2 GoBoard 3'x5' installed
  • Meets and exceeds ASTM C920, Type S, Grade NS
  • Environmentally friendly, non-toxic and exhibits minimal odor as it contains no solvents or isocyanates
  • Color: White
Questions & Answers
8 questions

Can you paint this sealant, if so what kind of paint?

This sealant can be painted, and the only requirement or recommendation is that the paint has water resistant properties.

What is recommended for clean up of hands and tools

The manufacturer recommends not letting it cure on your hands and to wipe hands with a paper towel before it cures. Soap and water may help, wiping before it cures is #1 recommendation or wear gloves.

Can laticrete hydroban waterproof membrane be applied over the top of this sealant?

Yes, the Hydroban Waterproof Membrane can be used over the top of the Go Board Pro Sealant.

can you use this product to adhere goboard to concrete basement floor ?

Yes, this will bond to concrete. Please make sure concrete is clean, dry, and free from of contaminants. Remove all coatings and sealers before application.

Can Kerdi Band be used to seal the seams of Goboard?

The GoBoard Pro Sealant is designed to waterproof GoBoard joints. Using another brand product may void any warranty.

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Ratings & Reviews

28 reviews

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11/1/2023 2:11 pm

Good stuff

by Dave K

Products arrived on time and worked as it should

1/24/2024 1:28 pm


by Lucas mosman

Excellent product, good price and quick shipping

2/15/2024 10:04 pm

Recommend company

by Amy

I order and keep stocked on this product. Shipping time is fast. Will continue to do business with them in the future.

3/8/2024 6:38 am

Great product

by Tony Fultz

Very good product. I tried the Schluter shower version which is much more difficult. The Goboard sealer is easy to use and very effective.