If you don’t remove all of the dirt, don’t worry. You can remove stubborn debris with a power washer later.

If you don’t own a pressure washer, you can rent one from some home improvement stores.

If you don’t have access to a pressure washer, this is an acceptable alternative.

For a faster alternative, use an electric sander instead. Wait until the barn wood’s surface is completely dry before sanding it.

You can also buy store-bought Borax-based chemicals made for barn wood as an alternative. These chemicals are generally harsher, however, and not made for use on indoor wood. [6] X Research source The chemicals in Borax deter termites from getting near the wood because of its strong, harsh scent. It can also kill any termites on the surface of the wood.

Put on safety goggles and a respirator to protect yourself while scrubbing away the crystals.

Wear safety goggles, thick rubber gloves, and a respirator or dust mask while stripping barn paint to protect your eyes, hands, and lungs. The amount of time the paint stripper must set may vary from 30 minutes to a day. Check the paint stripper’s instructions for specific times. You can buy paint strippers from most craft or home repair stores. Always pour the stripper into a metal container instead of a plastic one, as strippers eat through plastic.

A 100-grit sandpaper block is best for removing splinters and imperfections before finishing without removing the wood’s unique texture. If using an electric sander, wear safety goggles and sand the object slowly to prevent injuries.

If you’re sensitive to chemical fumes, wear a respirator while applying the finish.

You can find wood finishes from most home improvement stores or online. Wax or polyurethane-based stains work best on barn wood to protect it without changing its color or texture. [13] X Research source Depending on the wood shape, you may need to let one side dry before painting the other.

After applying the last coat, leave the barn wood undisturbed to dry for 18-24 hours.

You can buy wood sealants online or from most home repair stores. Applying a sealant is especially important for outdoor barn wood furniture, which will have more exposure to the elements.