GoBoard® Joint Reinforcement Seam Fabric, 3" x 300'
Johns Manville
SKU: GBRD-SEAM-FABRIC
GoBoard® Seam Fabric is a lightweight, durable polyester non-woven fabric engineered for professional contractors and tile installers using GoBoard systems. This seam reinforcement fabric increases joint tensile strength and significantly improves adhesion between GoBoard® Pro Sealant and thin set mortars, helping you complete tile installations faster without waiting for sealant to dry.
Key Features & Benefits of GoBoard® Seam Fabric
- Alkali Resistant Fabric: Resists degradation from alkaline materials to ensure long-lasting joint protection.
- Enhanced Shear Bond Strength: Increases bond strength by over 30% for secure tile adhesion.
- Superior Joint Tensile Strength: Boosts joint strength by more than 50%, minimizing cracks and failures.
- Faster Tile Installation: Eliminates wait time by allowing tiling to start immediately after sealant application.
GoBoard® Seam Fabric Specifications
| Specification | Detail |
|---|---|
| Color | White |
| Weight (ASTM D3776) | 40 g/m² |
| Length | 300 ft (3” width) |
| Elongation (ASTM 4595) | MD: 18%, CD: 21% |
| Tensile Strength (ASTM D4595) | MD: 12.0 lbf/in, CD: 9.1 lbf/in |
| Shear Bond Strength (ANSI A118.15 7.1.3) | > 50 psi |
| Air Permeability (GB/T5453-1997) | 314 CFM (200 Pa) |
| Thickness | 9.1 mils |
Usage & Application Tips for GoBoard® Seam Fabric
Apply GoBoard® Seam Fabric directly over wet GoBoard® Pro Sealant at joints to reinforce tensile and shear strength. Cut to length with scissors or a utility knife, then gently embed with a putty knife without pushing sealant through.
GoBoard® Seam Fabric is essential for contractors and tile installers seeking durable, long-lasting joints and faster project completion. Add it to your GoBoard installation kit today for professional-grade results.
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