Yes, Olympic, along with other manufacturers, make a water based poly that can go over a water based paint. The label and data sheets do not say painted specifically on some of these products, but as long as they say they can be used over a sealed surface, then it will work fine.
The benefit of using water-based instead of oil-based poly is that water-based is crystal clear, instead of yellow like the oil product.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can you put stain in polyurethane to darken the color?
Latex paint is an indoor paint, which will not work very well on siding; you can paint it on, but it is going to peel off pretty quickly. Use an enamel paint.
Yes
Yes, you can, but what a waste of money.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Can you put stain in polyurethane to darken the color?
Latex paint is an indoor paint, which will not work very well on siding; you can paint it on, but it is going to peel off pretty quickly. Use an enamel paint.
Yes
Yes, you can, but what a waste of money.
put a cover over the over paint then you get get the two paint mixed
yes but you cannot put latex on top of oil based surfaces You actually are NOT advised to put oil over latex surfaces, which is why you're supposed to prime will an oil-based (alkyd) primer. Latex and Polyurethane should always have a layer of oil-base beneath it.
If you are trying to protect a design, use three coats of acrylic polyurethane. If you are trying to repaint a chair that has been coated with acrylic paint, use acrylic paint again.
you can paint over latex paint with latex enamel.
yes you can!
Some sort of clear coat, varnish, some sort of polyurethane clear or polycrylic. It creates a hard see-through layer of the clear coat used. It can also be wet-sanded, making it very high gloss.
no