Find answers to the most common questions about lumber & composites.
Only if labeled exterior-grade (glued with waterproof adhesive) and sealed with paint, epoxy, or marine varnish.
Clean with lemon + salt, then condition monthly with food-grade mineral oil.
Use specialized composite screws (with corrosion-resistant coating) and predrill holes to prevent splitting. Avoid nails—they loosen over time.
Apply iron-on veneer edge banding, sand smooth, then stain with a gel stain (test first—plywoods like birch take stain unevenly).
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