Poly over latex paint. As a rule of thumb its best to wait at least 14 days before coating. Oil based polyurethane levels out to a smoother finish although it takes several hours longer to dry. 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. Minwax polycrylic protective finish is a crystal clear fast drying protective topcoat for use over bare wood oil and water based stains paint and wallpaper.
A polyurethane finish can prolong the life of paint and prevent ultra violet rays from causing it to fade. You can apply varathane to any surface containing interior and exterior latex paint including walls tables chairs and workbenches once the paint is dry. Unfortunately when many do it yourselfers apply polyurethane over a water based latex or acrylic paint they end up with rampant flaking. The sealer also protects surfaces from scratches marks yellowing and staining.
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. How to use polyurethane over latex paint. Applying polyurethane over a painted surface will give it an impeccably smooth finish.
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. It protects your wooden surfaces from scratches and prevents paint from peeling and. Varathane is a water based polyurethane sealer that adds shine to wood and latex painted surfaces. Use a water based product if youre concerned about color because it wont yellow as much as an oil based one.
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. This is a wipe on poly top coat with a matte finish that claimed to be non yellowing from the brand fusion mineral paint. For starters let me introduce the actual product to you guys.