Skip to content
Free Shipping on Most Orders $200 or More!
Free Shipping on Most Orders $200 or More!

GoBoardĀ® Pro Sealant 10.3oz

GoBoardĀ® Pro Sealant 10.3oz is a flexible, fast-curing waterproof sealant designed for professional tile installers and contractors. It provides strong adhesion to GoBoardĀ® panels and a variety of building materials, ensuring reliable joint waterproofing and fastener protection. With low odor and ASTM/ANSI compliance, this sealant makes indoor and outdoor tile projects faster, cleaner, and more durable.

Contractor Program Eligible

View Contractor Pricing Details

Free Shipping On Most Orders $200 or More!

Availability:
127 in stock!
SKU GBRD-PRO-SEALANT-10.3OZ
Save $4.94 Save $4.94
Original price $15.84
Original price $15.84 - Original price $15.84
Original price $15.84
Current price $10.90
$10.90 - $10.90
Current price $10.90

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 used for?
GoBoardĀ® Pro Sealant is used for waterproofing joints and fastener penetrations in GoBoardĀ® tile installations. It provides strong adhesion to panels and other building materials for reliable moisture protection in both interior and exterior projects.
Can GoBoardĀ® Pro Sealant be applied indoors and outdoors?
GoBoardĀ® Pro Sealant is suitable for indoor and outdoor use. Its flexible, moisture-curing formula resists weathering, UV exposure, and accommodates up to 25% joint movement for long-lasting durability.
What surfaces are compatible with GoBoardĀ® Pro Sealant?
GoBoardĀ® Pro Sealant bonds effectively to GoBoardĀ® panels, concrete, wood, metals, plastics, foam, and ceramic surfaces. This wide bonding range ensures professional-grade adhesion across various tile installation substrates.
How quickly does GoBoardĀ® Pro Sealant cure?
GoBoard® Pro Sealant skins over quickly, allowing same-day tile installation. It reaches a full cure depth of 3 mm in 24 hours at 77°F and 50% humidity, supporting efficient workflow on professional projects.
Free Shipping

On Qualifying Orders of $200 or More!

Need Help?

Contact Us

Top Brands

Offering 40+ Brands

Returns

30 Day Returns