I would find out. If it is Cedar, there may be a good chance that you have an Oil Based product already on your place. Cedar is a very oily wood, and without a good seal, the oil will bleed through a latex product for a terrible affect.
Usually, if the house has a Cedar siding, a stain is used instead of a paint.
how would I tell if cedar? I'm a rookie. I have done some small areas with latex and no problem yet.
__________________
Today pull up the little weeds,
The sinful thoughts subdue,
Or they will take the reins themselves
And someday master you. --Anon.
The most deadly sins do not leap upon us, they creep up on us.
Yes, you can paint a latex over an oil, just not the other way around. If the surface is an oil product, make sure to prepare the surface well. A good paint store will help you with the details.
If you have tested part of the surface with a latex, with no sign of "Bleeding", you probably will be fine. You could also find a way to sheer off a small piece of your siding, taking it to your paint vendor to analyze.
over existing paint, I take it I don't have to prime? I don't think it's cedar.
Hey, I went to school to be a painter and done it for many years. There are some great paints today that bond very well but the problem is you must have the right application on the proper base. The best thing to do if you have a nice home and want it to stay on for years is to contact an experience painter and have him look at it and give you some first hand advice.
Latex is nice with a primer on good smooth wood that has not been painted with an oil base or varnish base substance. On old wood that is dry and beginning to deteriorate, well, nothing is going to stay on that for very long, it will be an on going paint project.
A good rule, always prime wood before applying a finish coat, don't believe whats on the can or pale.
Oil based paints have their place, but for the most part, a Latex will work just fine.
Working with Oil based paints is also a PAIN (clean up, odor, dry time). Today's Latex paints are very durable, and, they dry fast and clean up is done with warm water.
What's the application?
BTW, I used to work in the paint department of a hardware store.
Good advice...at my current job I'm cross trained for the paint dept.
For most applications using latex paint is fine, but if the wood is old or neglected I still would favor oil. Just for the record, it's becoming more of a challenge to even find oil paint.
Generally we Americans want easy clean up . And since VOC's are often associated with paint purchases, latex wins
__________________
"Le sens commun n'est pas si commun."
(Common sense is not so common.)
Voltaire
Common sense is genius dressed in working clothes.
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Common sense and a sense of humor are the same thing, moving at different speeds. A sense of humor is just common sense, dancing.
William James
Preparation is key. All loose or partially loose paint should be removed, and all smooth glossy surfaces sanded a bit for better adherence.
Many Pro companies recommend oil primer and latex top coat if most of the wood is bare.
__________________ "It is inhumane, in my opinion, to force people who have a genuine medical need for coffee to wait in line behind people who apparently view it as some kind of recreational activity." Dave Barry 2005
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Thanks for all the great input. This my first go around with painting a whole house outside. I did the alcohol test with a swab from work and paint came off so according to all my reading that means paint is latex.
That leads me to believe do Still need to prime? There are some areas where paint is chipping off.
Anyone use SW duration paint? suppose to be one coat primer/paint combo?
Any thoughts on valspar 100%acrylitc?
Thanks
__________________
Today pull up the little weeds,
The sinful thoughts subdue,
Or they will take the reins themselves
And someday master you. --Anon.
The most deadly sins do not leap upon us, they creep up on us.
. And since VOC's are often associated with paint purchases, latex wins
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