According to a Dietitian

Pour a cup of water across the wood and observe what happens. Before you apply a coat of sealant the surface of the wood should be prepared. Complete Guide On How To Waterproof Wood Furniture For Outdoors This waterproof paint for wood however is not recommended because you cant control the outcome of the color. How to waterproof wood furniture . Thats what allows it to actually waterproof the material. After you have a coat on cover the stain and let it dry for a few hours. You should apply the sealant after the final layer of paint or stain has fully dried. Sealers are generally clear showcasing the natural beauty of the wood and form a protective layer on the outside of the wood to prevent moisture from getting in. I love it when all the prep work finally leads up to this moment. For wood thats already painted adding a layer of wood sealant is the easiest method for waterproofing. Linseed oil which can be used to waterproof wood. You can also purchased spray se...