Skip to content

GoBoardĀ® Pro Sealant 10.3oz

SKU GBRD-PRO-SEALANT-10.3OZ

Save $4.93 Save $4.93
Original price $15.84
Original price $15.84 - Original price $15.84
Original price $15.84
Current price $10.91
$10.91 - $10.91
Current price $10.91
Availability:
201 in stock, ready to be shipped

Free Shipping On Most Orders $300 or More!

30 Day Returns

Secure Payments

Description

GoBoardĀ® Pro Sealant 10.3oz is a high-performance, moisture-curing waterproof sealant designed for professional contractors and tile installers. This flexible tile sealant provides strong adhesion to GoBoardĀ® panels and a wide range of building materials, ensuring reliable joint waterproofing and fastener protection. With its low odor and environmentally friendly formula, GoBoardĀ® Pro Sealant supports efficient indoor and outdoor tile installations while meeting ASTM and ANSI waterproofing standards.

Key Features of GoBoardĀ® Pro Sealant

  • Easy Dispensing: Compatible with standard caulk guns and works in various temperatures for versatile job site application.
  • No Sag Formula: Applies cleanly on vertical and horizontal surfaces without dripping or sagging.
  • Dual Functionality: Acts as a durable sealant and adhesive for GoBoardĀ® and other substrates in interior and exterior tile projects.
  • Fast Skin Over: Allows same-day tile installation to speed up project timelines.
  • Flexible Movement: Accommodates up to 25% joint movement for long-lasting durability.
  • Weather Resistant: Provides long-term resistance against weathering and UV exposure.
  • Wide Bonding Range: Bonds effectively to metals, plastics, concrete, wood, foam, and ceramics.
  • Paintable & Non-Yellowing: Maintains finish quality without discoloration over time.
  • Environmentally Friendly: Low VOC, solvent-free, non-corrosive, and low odor for safer use.
  • Industry Certified: Meets ASTM C920, Type S, Grade NS, Class 25 or better standards for professional applications.

GoBoardĀ® Pro Sealant Specifications

Specification Details
Color White
Solids 100%
Density 13.4 lbs/gal
Extrusion Rate (ASTM C1183) 110 g/min
Tack Free Time (@77˚F/50% RH) 15 min
Allowable Joint Movement (ASTM C719) 25%
Hardness, Shore A (C661) 55
Tensile Strength (D412) TB 1.98 MPa, EB 250%
24 Hour Cure Depth (77°F/50% RH) 3 mm
UV-A Rating (G53) 10,000 hrs
Temperature Resistance 250°F
Cartridge Volume 10.3 oz / 306.4 ml

Usage/Application Tips for GoBoardĀ® Pro Sealant

For waterproof GoBoardĀ® tile installations, apply GoBoardĀ® Pro Sealant generously to all joints and fastener penetrations. Fill 1/8ā€ gaps fully and spread excess sealant at least 1 inch beyond edges to create a watertight substrate that complies with ANSI A118.10 standards.

Warranty & Reliability

Johns Manville guarantees GoBoardĀ® Pro Sealant meets all stated specifications when used with GoBoardĀ® installations, ensuring reliable waterproof protection and adhesion.

Choose GoBoardĀ® Pro Sealant 10.3oz for a durable, flexible, and fast-curing waterproof sealant that enhances your tile installation projects. Order now to improve your workflow and installation quality.

Frequently Asked Questions

What is GoBoardĀ® Pro Sealant 10.3oz?
GoBoardĀ® Pro Sealant 10.3oz is a moisture-curing waterproof sealant designed for professional contractors and tile installers. It provides strong adhesion to GoBoardĀ® panels and a wide range of building materials, ensuring reliable joint waterproofing and fastener protection.
Which standards does it meet?
It meets ASTM C920, Type S, Grade NS, Class 25 or better, and complies with ANSI A118.10 for waterproofing in tile installations.
What are its key performance specs?
  • Tack free time at 77°F/50% RH: 15 minutes
  • Allowable joint movement: 25%
  • UV-A resistance (G53): 10,000 hours
  • Temperature resistance up to 250°F
  • 24-hour cure depth at 77°F/50% RH: 3 mm
  • Extrusion rate (ASTM C1183): 110 g/min
  • Tensile strength (D412): 1.98 MPa, elongation 250%
  • What substrates will it bond to?
    It bonds effectively to GoBoardĀ® panels as well as metals, plastics, concrete, wood, foam, and ceramic tile.
    How much sealant does the cartridge hold?
    The cartridge volume is 10.3 oz (306.4 ml).
    Free Shipping

    On Qualifying Orders of $300 or More!

    Need Help?

    Contact Us

    Top Brands

    Offering 40+ Brands

    Returns

    30 Day Returns

    Compare products

    {"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

    Select first item to compare

    Select second item to compare

    Select third item to compare

    Compare