Bostik Heavy Duty Construction Adhesive (HDCA) is a one- component premium grade polyurethane, that is specifically formulated for subfloor and floor joist assemblies, from site erected structures to factory constructed modular and mobile homes.
FEATURES AND BENEFITS
- Minimal odor
- Long open time for repositioning
- Quick full cure
- Easy gunning, requires less effort from user
- Low solvent formula, will not damage foam
- Multi-enviromental climate use
APPLICATIONS
- Bonding to wet, frozen, or treated lumber
- Adhesion to sub floor assemblies (plywood, OSB, engineered flooring), stair treads, furring strips, in tile board components
- May eliminate squeaks and nail pop-ups when used in conjunction with mechanical fasteners
- Used in assembly of dryscape designs
- Installation of countertops and back splashes including marble and granite
TYPICAL UNCURED PROPERTIES (NOT FOR SPECIFICATION PROPERTIES) |
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Description |
Results |
Test Method, Notes |
Skin Time (ambient conditions) |
60 minutes |
Bostik Test Method |
Extrusion Rate (700 F,50 psi) |
185 g/min. |
ASTM C603, Modified |
Sag Test1 |
Pass |
ASTM C639, Modified |
Frozen Lumber Adhesion |
Good |
ASTM D3498 |
Shrinkage |
Negligible |
Bostik Test Method |
Wetting on Lumber: Frozen |
Good |
ASTM D3498 |
VOC Content |
48 g/l |
EPA Method 24 |
Chemical Type |
Polyurethane |
Premium |
Solids |
95 ±2% |
Mathematical Calculation |
Weight/gallon |
15 lbs. |
ASTM D1475 |
Flash Point |
135°F (570C) |
ASTM D3828 |
TYPICAL CURED PROPERTIES (NOT FOR SPECIFICATION PROPERTIES) |
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Description |
Value |
Test Method, Notes |
Oxidation Resistance |
Good |
ASTM D3498 |
Tensile Strength |
430 psi |
ASTM D412 |
Lap Shear Strength3 |
440 psi |
ASTM D3498 |
Out-gassing from Cure Process |
Negligible |
Bostik Test Method |
2 After 14 day cure at 770F (250C) and 50% Relative Humidity