Exterior Wood Glue for Waterproof Outdoor Bonding
Exterior wood glue is a Type III cross-linking PVA adhesive providing truly waterproof bonds for outdoor wood projects. Unlike standard interior glue exterior formulas withstand prolonged water exposure freeze-thaw cycles and outdoor temperature extremes without losing bond strength.
Key Features
- Type III waterproof bond
- Passes ANSI/HPVA Type I spec
- FDA approved indirect food contact
- Cross-linking PVA formula
- Longer open time than standard PVA
- Paintable and sandable
Specifications
Best For
Compatible Materials
Pros & Cons
Pros
- ✓ Truly waterproof ANSI Type I
- ✓ Stronger bond than standard PVA
- ✓ Longer open time for assembly
- ✓ FDA food contact approved
- ✓ Easy water cleanup
Cons
- ✗ More expensive than interior PVA
- ✗ Slightly longer set time
- ✗ Dark glue line when cured
- ✗ Still requires tight joints
- ✗ Not gap-filling
Installation Tips
Apply to both surfaces for maximum bond. Clamp within 10-25 min open time. Use enough pressure for thin even squeeze-out. Wipe excess with damp cloth. Temp must be above 47F. Allow pressure-treated lumber to dry below 19% moisture.