![]() The dust produced when the wood is dry-sanded is also non-toxic and less harmful than other products.īut keep in mind that if you sand the freshly repaired surface without allowing enough time to cure the filler, it can be irritating to the eyes, skin, and lungs because of the release of VOCs. The biggest benefit is it is non-toxic after it has dried and cured well on the surface. If the gaps or voids are larger, consider applying 2 to 3 additional coats of polyester filler once the first filler coat dries. So, it’s recommended that you should overfill the holes a bit. When filling the holes, dents, or scratches with a two-part polyester wood filler, keep in mind that it can shrink slightly when it dries. This also means that you can match your surface very well with the other surrounding surfaces. The key advantage of using polyester filler (rather than putty) is it dries very hard, which makes sanding the wood pretty easy. Two-part polyester filler can generally be used as a surfacing compound that allows you to fill screw/nail holes in wood along with any shallow scratches, usually prepping before finishing the surface with paint or stain. Presently there are also wood fillers made from poly resin that comes with poly resin advantages and can be used as an all-purpose filler for wood and other surfaces such as fiberglass, metal, cement, stucco, and others. Polyester resin is a kind of waterproofing synthetic resin product widely used for purposes where water is the problem.
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