Description
Bostik Supergrip Heavy Duty Construction Adhesive is a premium-grade, one-component polyurethane adhesive formulated for professional subfloor, structural, and general construction applications. Designed to perform in tough environments, it bonds securely even to wet, frozen, or treated lumber, reducing squeaks, movement, and nail pop-ups in flooring assemblies.
This versatile adhesive offers a long open time, minimal odor, and quick full cure, making it ideal for both site-built and modular construction.
Key Features & Benefits
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Bonds to wet, frozen, or treated lumber
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Reduces subfloor squeaks and movement
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Excellent adhesion to plywood, OSB, and engineered flooring
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Compatible with foam and dryscape assemblies
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Long open time for repositioning
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Quick full cure with minimal shrinkage
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Low-solvent, low-odor formula – will not damage foam
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Works across multiple environmental climates
Common Applications
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Subfloor and floor joist assemblies
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Stair treads, furring strips, and tile board components
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Countertops and backsplashes (including marble and granite)
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Modular and mobile home construction
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Dryscape and general building assembly
Technical Specifications
| Property | Result | Test Method |
|---|---|---|
| Chemical Type | Polyurethane (Premium) | — |
| Skin Time (ambient) | 60 minutes | Bostik Method |
| Extrusion Rate | 185 g/min @ 70°F, 50 psi | ASTM C603 (Modified) |
| Sag Test | Pass | ASTM C639 (Modified) |
| Frozen Lumber Adhesion | Good | ASTM D3498 |
| Lap Shear Strength | 440 psi (100% cohesive failure) | ASTM D3498 |
| Tensile Strength | 430 psi | ASTM D412 |
| Solids | 95 ± 2% | — |
| VOC Content | <150 g/L | EPA Method 24 |
| Flash Point | 135°F (57°C) | ASTM D3828 |
| Shelf Life | 1 year (unopened) | — |
| Color | Natural | — |
| Packaging | 10.1 fl oz cartridges – 12/case | — |
Compliance & Certifications
Meets or exceeds:
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ASTM D3498
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APA AFG-01
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ASTM C557
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HUD UM-60A
Compatible Substrates
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Plywood and OSB
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Engineered wood flooring
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Treated and frozen lumber
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Concrete and masonry
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Marble, granite, and stone
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Foam board and composite materials
Packaging & Ordering Information
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Size: 10.1 fl oz cartridge
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Color: Natural
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Packaging: 12 cartridges per case
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Also available in 28 fl oz cartridges (12/case)
Clean-Up & Handling
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Wipe away uncured adhesive before skinning occurs.
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Once cured, removal may damage adhered materials.
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Store between 60–80°F (15–30°C) in a cool, dry area.
Need a high-strength adhesive for your next build? Contact our technical team at Chemical Concepts for recommendations or volume pricing on Bostik polyurethane construction adhesives.
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