Gluing wood and foam together can be extremely tricky. The foam's absorbent nature makes it difficult to glue, and some glues can even melt the foam. But as long as you have the right product--in this case polyurethane construction adhesive--gluing foam to wood is easy.
Things You'll Need
- 80-grit sandpaper
- Polyurethane construction adhesive
- 2-inch sponge brush
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Roughen the surface of the wood with 80-grit sandpaper. Rub continuously in a circular motion over the surface that the foam will be glued to. This creates a more porous surface, allowing the cement to penetrate the wood.
Apply polyurethane construction adhesive to both the sanded wood surface and the surface of the foam that will be glued to the wood. Use a 2-inch sponge brush to apply a consistent layer over both surfaces. Allow the cement to set for five minutes.
Press the glue-coated foam surface to the glue-coated wood surface. Apply even pressure throughout, and rub from the center towards the outer edges of the foam. Allow the glue to set for six to eight hours.