
Poly over latex paint. This is a wipe on poly top coat with a matte finish that claimed to be non yellowing from the brand fusion mineral paint. How to use polyurethane over latex paint. Applying one or two coats of polyurethane to a painted surface is a good way to protect the paint. Its important to wait for the latex paint to fully cure before you coat it with polyurethane or the latex undercoat may not harden fully.
Varathane is a water based polyurethane sealer that adds shine to wood and latex painted surfaces. As a rule of thumb its best to wait at least 14 days before coating. Use a water based product if youre concerned about color because it wont yellow as much as an oil based one. It protects your wooden surfaces from scratches and prevents paint from peeling and.
Unfortunately when many do it yourselfers apply polyurethane over a water based latex or acrylic paint they end up with rampant flaking. Although latex paint dries to the touch in a few hours it can take up to 30 days to cure depending on the color and thickness of the coating and the ambient temperature and humidity. It has very little odour is non flammable cleans up easily with soap and water and can be recoated in only 2 hours. You can apply varathane to any surface containing interior and exterior latex paint including walls tables chairs and workbenches once the paint is dry.
Applying polyurethane over a painted surface will give it an impeccably smooth finish. How to apply a polyurethane top coat to painted furniture for even more details on the products i used as well as the details of this project please visit this post i have written sharing all the. Minwax polycrylic protective finish. The sealer also protects surfaces from scratches marks yellowing and staining.
Furthermore polyurethane application is a very simple procedure that virtually any household handyman is capable of tacklingprovided of course that theyre armed with the proper set of tools and a helpful set of instructions. Polyurethane is a clear varnish that dries to a hard solid finish. A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade.