
Bostik High Tack H785 is a premium professional-grade hybrid adhesive engineered for applications requiring extremely high initial tack and long-lasting strength. Designed for demanding construction and installation tasks, this adhesive provides immediate bonding (“direct tack”) without the need for mechanical support. It adheres perfectly to most surfaces, even damp ones, and is suitable for interior and exterior use. Formulated without isocyanates, solvents, or silicones, H785 offers permanent elasticity, exceptional moisture and weather resistance, and compliance with BREEAM specifications, making it ideal for environmentally responsible building applications.
• 310 mL (White)
In Stock
| Property | Specification |
|---|---|
| Technology | Hybrid polymer adhesive |
| Colour | White |
| Initial Tack | Extremely high — no support required |
| Elasticity | Permanently elastic |
| Special Features | Solvent-free, silicone-free, isocyanate-free |
| Surface Compatibility | Adheres to most surfaces — even damp ones |
| Application Areas | Heavy-duty bonding, construction fixings, structural adhesives |
Its extremely high initial tack allows bonding without mechanical support.
Yes, it contains no solvents, silicones, or isocyanates.
Yes, it adheres perfectly even on damp substrates.
White (310 mL cartridge).
Yes, it is moisture- and weather-resistant.
Yes, it is suitable for BREEAM-compliant installations.
Yes, it maintains elasticity for long-term performance.
Yes, its high tack allows bonding of heavy panels without screws.
Generally no, it adheres well to most surfaces without primer.
Most construction materials including wood, metals, composites, concrete, insulation panels, and more.