That nagging worry about getting a splinter from a wooden outdoor bench is completely valid. That rustic charm can come with a prickly downside. But don't worry, preventing this is straightforward and often requires just a bit of regular maintenance. The primary cause of splinters is wood's exposure to the elements—sun, rain, and changing temperatures cause it to crack, warp, and raise its grain.
Here’s how you can keep your benches smooth and safe:
1. Regular Sanding: This is your first and most powerful line of defense. Use medium-grit sandpaper (like 80-100 grit) to knock down any rough spots or raised wood fibers. Then, follow up with a finer grit (120-150) to create a silky-smooth surface. Always sand in the direction of the wood grain to avoid scratches. Make this a seasonal habit, especially at the start of spring.
2. Apply a Protective Sealant: After sanding, a protective finish is non-negotiable. A quality exterior-grade sealant, such as a polyurethane, spar urethane, or a penetrating wood oil, creates a protective barrier. This shield repels moisture, preventing the wood from swelling and drying out, which is a major cause of splintering. Reapply the sealant every one to two years, or as the manufacturer recommends.
3. Proactive Inspection and Quick Fixes: Don't wait for a splinter to happen. Regularly run your hand over the bench surface. If you feel any slight roughness, a light sanding can address it immediately. For small, existing splinters, you can carefully glue them down with wood glue, clamp them until dry, and then sand the area smooth.
By incorporating these simple steps—sanding, sealing, and inspecting—you can confidently enjoy the natural beauty of your wooden outdoor furniture without the fear of painful splinters. Your bench will not only be safer but will also last for many more years to come.