Titebond III Ultimate Wood Glue, 16 oz
- Type I waterproof rating
- ANSI/HPVA Type I certified
Gorilla
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Yes, for the right buyer. The Gorilla Original Gorilla Glue Waterproof ranks #2 in our Best Waterproof Wood Glue 2026 list (best polyurethane). Its biggest strength: 100% waterproof, suitable for outdoor and marine applications. The main caveat: foam expansion requires cleanup, squeeze-out expands and must be removed before curing.
And expanding foam fills gaps between imperfectly fitting wood surfaces. Keep in mind that foam expansion creates messy squeeze-out that must be cleaned up before hardening.
And expanding formula fills gaps in rough or imprecise joinery. Keep in mind that foam expansion requires cleanup, squeeze-out expands and must be removed before curing.
Best polyurethane glue for wood-to-vinyl trim. The highlights are waterproof expansion fills gaps between rough wood and irregular vinyl surfaces and polyurethane forms a mechanical bond with PVC surface texture. The tradeoff: foam expansion requires cleanup before it hardens, creates a mess if not managed.
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| List | Rank |
|---|---|
| Best Waterproof Wood Glue 2026· Best Polyurethane | #2 / 8 |
| Best Exterior Wood Glue 2026· Best Polyurethane | #4 / 8 |
| Best Glue for Wood and Vinyl Trim 2026· Best Polyurethane | #7 / 8 |
Products ranked near it in our research, each better for a slightly different buyer.
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Yes, for the right buyer. The Gorilla Original Gorilla Glue Waterproof ranks #2 in our Best Waterproof Wood Glue 2026 list (best polyurethane). Its biggest strength: 100% waterproof, suitable for outdoor and marine applications. The main caveat: foam expansion requires cleanup, squeeze-out expands and must be removed before curing.
Based on our research it suits wood and vinyl trim 2026. It's ranked #2 of 8 in our Best Waterproof Wood Glue 2026 list.
The main trade-offs owners and reviewers point to: foam expansion requires cleanup, squeeze-out expands and must be removed before curing; requires moisture to cure, wood or one surface must be dampened first; expansion can shift joint alignment if parts are not well clamped.
100% waterproof polyurethane, Expands 3x to fill gaps, Works on oily hardwoods and ANSI Type I equivalent.
Worth comparing: Titebond III Ultimate Wood Glue, 16 oz, System Three T-88 Structural Epoxy, 0.5 Pt Bottle and Elmer's E7310 Carpenter's Wood Glue Max, Interior/Exterior, 16 oz. Each ranks near it in our research for a slightly different buyer.
It's sold on Amazon. Prices and stock change often, so check the current listing before you buy, our link takes you straight to it.