Can you put floor polyurethane over paint?
Polyurethane formulations for floors are the hardest ones available, whether oil- or water-based. They provide solid protection for painted surfaces, as long as the paint is clean and has had time to cure.
Can you put clear coat over oil based paint?
The enamel will take quite a while to completely dry, so I would agree that you shouldn’t clear it or put anything over it that might be harder. If you seal in with a topcoat the enamel will probably cause checking or cracking of the outer finish ; which would be the solvents from the enamel trying to escape.
What kind of polyurethane do you use on painted floors?
Water-Based Polyurethane Polyurethane is another synthetic plastic with superior protective and adhesive properties that works well as a clear-coat for a painted floor. Because its use as a floor finish is so common, you should be able to find it at any hardware store.
What kind of clear coat can I put over oil based paint?
While many polyurethanes (except Protect) are oil-based and go on stained wood and oil-painted furniture, polycrylic ;is water-based and can go on wood or paint. It can be applied the same as polyurethane-brush on, light sanding, brush on, light sanding, brush on.
Do I have to seal oil based paint?
If the thing you are sealing is painted, then you absolutely need to be using a water-based sealer. If the project is wooden, sometimes an oil-based sealer is a better choice because it gives the wood depth and color than water-based can’t provide.
How long after painting can you polyurethane?
Generally, it’s best that you allow the painted surface to dry between 24 and 72 hours before applying polyurethane. For best results, I advise that you allow the surface to stay even longer. Give it ample time to dry to avoid complications. The longer you wait, the better and more durable the surface.
Can I use water based polyurethane over oil based paint?
In most cases, it is OK to use a water-based polyurethane over an oil-based finish in good condition. You should remove grease, dirt and wax by scrubbing the surface with a wood prep/cleaner/de-glosser, or mineral spirits and synthetic steel wool.
How do you apply polyurethane to a painted floor?
How to Apply Polyurethane Over Paint
- Step 1: Wash the painted surface. If the paint isn’t fresh, wash off grease or stains with a strong detergent solution.
- Step 2: Scuff the surface.
- Step 3: Choose your applicator.
- Step 4: Apply one coat, then scuff.
- Step 5: Apply a second coat.
What do you seal a painted floor with?
Polyurethane is another synthetic plastic with superior protective and adhesive properties that works well as a clear-coat for a painted floor. Because its use as a floor finish is so common, you should be able to find it at any hardware store.