Best Flexible
Sika SikaBond Ultimate Grab Instant Polyurethane Adhesive, 10.1 fl oz
Sika
Best flexible exterior adhesive. The highlights are elastic after cure, absorbs thermal wood movement without cracking the bond and uV resistant, maintains bond and color in direct sun exposure. Keep in mind that higher price than PVA and epoxy alternatives.
- Elastic flexible adhesive
- Waterproof and UV resistant
- Absorbs movement and vibration
- Compatible with most wood species
Pros
- Elastic after cure, absorbs thermal wood movement without cracking the bond
- UV resistant, maintains bond and color in direct sun exposure
- Handles wood species that move significantly across seasons
- No mixing required, single-component formula
Cons
- Higher price than PVA and epoxy alternatives
- Longer cure time, 24 hours minimum before light handling
Prices and availability change, so confirm on Amazon.View on Amazon
