Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Yes
the deck or porch will become darker and darker after every stain u put on
i'm going with minwax polyshades. cabot also makes a stain & polyurethane in one application. i noticed there are 3 questions about how to mix stain & polyurethane on this site. all 3 are unanswered. i was researching the topic & i've seen reference to a polyurethane stain kit. can't find out what a polyurethane stain kit is. my tenant left behind an opened can of minwax polyshades. i tried some of it out & i think it looks fine. i sanded some of the scratches & paint stains out, put on a coat of natural wood stain & i'm using the polyshades as an overcoat. there are still some scratches but it looks a lot better than it did before. the polyshades should help mask some of the scratches & give it a more even tone. bottom line - it's really difficult to find information on how to mix stain & polyurethane so the minwax & cabot all in one products look good to me. i wish they came in sizes larger than a quart, but easier to go pick that product up than to continue looking for information that indicates what a polyurethane stain kit is & how to use it.
You should never paint a deck, the paint will peel (unless you live in a very arid climate I guess. The deck may be stained, you can put either oil or latex stain over old oil stain.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.
Yes
the deck or porch will become darker and darker after every stain u put on
i'm going with minwax polyshades. cabot also makes a stain & polyurethane in one application. i noticed there are 3 questions about how to mix stain & polyurethane on this site. all 3 are unanswered. i was researching the topic & i've seen reference to a polyurethane stain kit. can't find out what a polyurethane stain kit is. my tenant left behind an opened can of minwax polyshades. i tried some of it out & i think it looks fine. i sanded some of the scratches & paint stains out, put on a coat of natural wood stain & i'm using the polyshades as an overcoat. there are still some scratches but it looks a lot better than it did before. the polyshades should help mask some of the scratches & give it a more even tone. bottom line - it's really difficult to find information on how to mix stain & polyurethane so the minwax & cabot all in one products look good to me. i wish they came in sizes larger than a quart, but easier to go pick that product up than to continue looking for information that indicates what a polyurethane stain kit is & how to use it.
You should never paint a deck, the paint will peel (unless you live in a very arid climate I guess. The deck may be stained, you can put either oil or latex stain over old oil stain.
Always hate to answer a question with a question, but sometimes it helps.. Why would you want to do that & what does it get you?? Laminate has a stain proof surface and the Polyurethane wont stick long term, My belief & experience is that what you propose wont work..
Yes, you can, but what a waste of money.
No, oil needs to penetrate the surface and the latex stain will inhibit that penetration.
No. Do not prime any wood if you are going to stain it. Stains penetrate wood fibers, while primer and paint remain on the surface of the wood. If you put a primer on first, it will cover the grain and the stain won't work.
No because latex paint will no stick to the oil stain. unless you sand the surface first then pain it
NEGATIVE IT WILL PEEL
Yes, you can.