Apply your polyurethane wood sealant, or any.

How to waterproof painted wood furniture for outdoors. Rinsing and drying is the next step to take after applying a primer and sealant. Use a sealant for wood. You should rinse the wood thoroughly using clean water, and this should be done.

Next, hose down the furniture with clean water and allow it to dry. Be sure to rinse it off completely. If your wood is not painted, you only need to clean it with warm water and a cleaning brush.

Depending on the type of wood and the amount of water it had taken in. Start by cleaning the furniture with a mild soap and water solution. Yes, you can paint wood furniture to use outside.

Clean your furniture surface with a mild cleaning agent. The waterproofing blocks out water from the natural wood. Drying and water testing the wood.

Here are a few tips on how to waterproof your painted wood furniture: Wood is a porous material, so it tends to absorb water when exposed to inclement. Use a dry, clean cloth to wipe off wood dust.

Apply a thin layer of lacquer using a natural bristle paintbrush. Cleanse thoroughly using a garden hose before letting it dry for 3 hours. Incorporate trisodium phosphate (tsp) as directed by the manufacturer.