GoBoard® Pro Sealant is a one-component, moisture-curing hybrid sealant and adhesive formulated to provide strong, permanent elasticity and dependable adhesion to GoBoard® and a wide range of common building materials. Its silyl-terminated polyether chemistry delivers a durable, environmentally friendly solution with no solvents, no isocyanates, and minimal odor.
Key Features & Benefits
- Strong Adhesion: Bonds to metals, plastics, concrete, wood, foams, ceramics, and other building materials.
- Moisture-Curing Hybrid: Permanently elastic formula designed for long-term flexibility and stability.
- Easy Dispensing: Applies smoothly with a standard caulk gun across a broad temperature range.
- No-Sag Application: Suitable for use on both vertical and horizontal surfaces.
- Fast Skin Formation: Skins quickly, with formation time accelerating under higher humidity and temperature.
- Movement Capability: Accommodates up to 25% joint movement when installed per GoBoard® instructions.
- Environmental Benefits: Non-toxic, solvent-free, isocyanate-free, low odor, and fully VOC compliant.
- Weather & UV Resistant: Offers long-term performance in demanding indoor and outdoor environments.
- Paintable & Non-Yellowing: Maintains appearance without discoloring or corroding adjacent materials.
- Long Shelf Life: Stays usable for up to 18 months when stored in unopened packaging under recommended conditions.
- Industry Tested: Meets or exceeds ASTM C920, Type S, Grade NS, Class 25 performance criteria.
Specifications
| Specification | Details |
|---|---|
| Color | White |
| Solids | 100% |
| Density | 13.4 lbs/gal |
| Extrusion Rate (ASTM C1183) | 110 g/min |
| Tack Free Time | 15 minutes |
| Allowable Joint Movement | 25% |
| Hardness (Shore A) | 55 |
| Tensile Strength (D412) | TB 1.98 MPa |
| Elongation at Break | 250% |
| 24 hr Cure Depth | 3 mm |
| UV-A Rating | 10,000 hours |
| Temperature Resistance | 250°F |
| Volume Options | 10.3 oz / 20 oz |
Engineered for durability and versatility, GoBoard® Pro Sealant offers professionals a dependable option for bonding and sealing across a wide range of construction and building applications. Its balanced performance, strong adhesion, and clean, environmentally conscious formulation make it a practical choice for long-term use.