IMO, today's Latex paint are so good, no reason to use oil based.
Just get some good quality brand name one. Why bother with messy oil
based? I just did my porch this summer with Behr brand porch paint.
Worked out very good.
Ray Jenkins wrote:
Thanks Tony -- I'd much prefer to use a latex than oil.
The only problem is, this is an old porch with many layers of oil paint,
including some with lead, so I can't do much sanding.
The last coat I put on, about 10 years ago, was an oil-based marine paint
which held up pretty well.
The question is, I guess, if I put on a coat of high-grade primer, like
Zinsser's, can I safely move from oil to latex?
No you dont use kilz or whatever. You read the instructions on the can,
and follow them. Latex doesnt bond to gloss or dirt like oil. Oil wears
longer. Deal with a real paint store , and a pro. Get the
recomendations from the manufacturer and a real paint store All jobs
Latex will work fine. A good latex should last as long as
your oil paint did. Get porch and deck paint. Use a high-quality
brand (not something from the borg). I'd tend toward Benjamin Moore
unless I could find something better.
As to primers, use the primer suggested on the can of top
coat. If it does not speicify a special primer for porches, Zinssers
should work fine.
You will have to do enough sanding to get a good surface for
paint to stick.
Here's a tip: When you have applied the final coat and before
it is dry, sprinkle sand on the surface. It will embed into the paint
and give some traction when the surface is wet from rainwater.
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