Yes, you can, but what a waste of money.
Yes, Depending on the surface it's being sprayed on, you might want to use a fine finish tip that will give it a finish near the quality of a cup gun,
A coat of shellac can be placed over polyurethane. You should use de-waxed shellac if you plan on placing more polyurethane on in the future.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
I recently painted my land rover using polyurethane paint with rollers. Tho I say so myself I was very pleased with the result. Colin
Yes, polyurethane can be applied over paint to provide a protective finish.
To achieve the desired finish, typically 2-3 coats of polyurethane should be applied.
It is not the best option . Always use polyurethane on polyurethane , acrylic on acrylic and etc ; Is even important to use them of the same brand .
Yes, water-based polyurethane can be applied over oil-based polyurethane after proper preparation and sanding.
Yes, you can apply polyurethane over epoxy as a protective finish.
Yes, you can use polyurethane over paint as a protective finish.
Yes, you can apply polyurethane over epoxy for a durable finish.
Yes, you can apply polyurethane over varnish for a durable finish.
Yes, you can put polyurethane over epoxy for a durable finish.
Yes, you can use polyurethane over epoxy for a protective finish.
Yes, you can apply polyurethane over paint to provide a protective finish.
Yes, you can apply polyurethane over paint to create a durable finish.