Can You Put Polyurethane Over Latex Paint I have an amazon prime membership so it gets to me within a day or two.

Can you put polyurethane over latex paint After the latex or other water borne product has cured generally specified on the label the polyurethane cannot penetrate or reactivate the paint.
Can you put polyurethane over latex paint. Why do people use polyurethane over paint. But i recommend an acrylic top. You can paint over a surface of polyurethane varnish if you prepare it properly. Well first polyurethane protects your paint and makes it last a whole lot longer.
Polyurethane is typically hard durable and glossy and it is these qualities that make a finish vulnerable to chips and flaking. When using a brush or applicator use slow deliberate movements to prevent bubbles. If you can t find it in your area you can click here to get it on amazon which is how i buy mine. It s important to wait for the latex paint to fully cure before you coat it with polyurethane or the latex undercoat may not harden fully.
If you see a bubble flatten it immediately with the tip of a paintbrush. As a rule of thumb it s best to wait at least 14 days before coating. First whether the poly is oil or water based you ll want to sand it to give it a tooth something. Varathane is a water based polyurethane sealer that adds shine to wood and latex painted surfaces.
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. You don t have to remove all the varnish before you start painting. If you re applying polyurethane to a painted floor you can also use a floor finish applicator which is a pad or weighted tube that you drag over the floor.