GoBoard® Pro Sealant 20oz Sausage Pack
SKU: GBRD-PRO-SEALANT-SAUSAGE-20OZ
GoBoard® Pro Sealant is a premium, moisture-curing sealant designed specifically for contractors and professional tile installers who require durable, long-lasting adhesion and waterproofing. This low-odor, environmentally friendly sealant bonds securely to GoBoard® panels, ceramic tile substrates, and a variety of building materials, ensuring reliable flexibility and waterproof protection for both interior and exterior tile installation projects.
Key Features & Benefits of GoBoard® Pro Sealant
- Easy Dispensing & Compatibility: Fits standard caulk guns and performs consistently across wide temperature ranges for hassle-free jobsite use.
- No Sag Formula: Stays put on vertical and horizontal surfaces without dripping, ensuring clean, precise application.
- Dual-Function Sealant & Adhesive: Ideal for bonding GoBoard® panels and sealing joints on tile backer boards for interior and exterior use.
- Fast Skin Over Time: Enables same-day tile installation, accelerating project completion timelines.
- Flexible Joint Movement: Accommodates up to 25% joint movement, adapting to building shifts and thermal expansion.
- Weather & UV Resistant: Durable sealant that withstands long-term exposure to weather, UV rays, and temperature extremes up to 250°F.
- Broad Material Adhesion: Bonds well to metals, plastics, concrete, wood, foam, and ceramic substrates.
- Eco-Friendly & Safe: Non-toxic, solvent-free, non-yellowing, non-corrosive, and compliant with VOC regulations.
- Certified Professional Quality: Meets ASTM C920 standards for sealants, assuring trusted performance on tile installation projects.
Technical 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 minutes |
| 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 hours |
| Temperature Resistance | 250°F |
| Volume | 20 oz / 591.5 ml |
Application Tips for Tile Installers
For effective waterproofing during tile installations, apply GoBoard® Pro Sealant generously to all joints and fastener penetrations. Ensure no gaps or pinholes, maintain 1/8” spacing between panels, and spread sealant at least 1 inch beyond the joints to create a fully watertight surface ready for tile setting.
Warranty and Quality Assurance
Johns Manville guarantees GoBoard® Pro Sealant meets all stated performance specifications when used as directed in GoBoard® panel installations, giving professionals peace of mind on every project.
Choose GoBoard® Pro Sealant for a trusted, flexible, and environmentally responsible sealant solution. Order now to protect your tile and building projects with professional-grade waterproofing and adhesion.
Frequently Asked Questions
What is GoBoard Pro Sealant designed for?
GoBoard Pro Sealant is a moisture-curing sealant made for contractors and professional tile installers who need durable adhesion and waterproofing.
What substrates and materials will it bond to?
It bonds securely to GoBoard panels, ceramic tile substrates, metals, plastics, concrete, wood, foam, and other building materials.
Can I use it indoors and outdoors?
Yes. It is low-odor, environmentally friendly, and UV- and weather-resistant up to 250°F, so it’s suitable for both interior and exterior tile installations.
How quickly can I install tile over the sealant?
It skins over in about 15 minutes at 77°F and 50% relative humidity, allowing same-day tile installation.
Does it accommodate building movement?
Yes. It allows up to 25% joint movement to adapt to shifts and thermal expansion without cracking.
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