I'm going to paint a garage. Wood siding. Doesn't hold paint well. Looking to avoid paint coming off.?
Question:I recently stripped this garage with a power washer. We moved this garage to our property this spring, but it has a history over the last 50 years of not holding paint real well and chipping and peeling off. It has wood siding. I am looking for a way to make the paint hold a little better, perhaps with a primer, a particular type of paint, or finish or by a particular technique. My knowledge of types of paints is limited. I know there are outdoor paints-but that's about it. I plan to paint the garage white. Thanks! Dimensions: approx. 18' x 16'
Answers:
Assuming that the power washer removed the majority of the paint, allow the wood to dry for a Minimum of 4-6 Days. Then prime the wood with a slow drying Oil-based EXTERIOR primer. Not, Kilz, it is Interior, and dries too fast. Benjamin Moore makes a primer Called Fresh Start Penetrating Primer.
After a good coat of the Oil Primer, Paint with a Latex Exterior Paint. I would suggest a Low Lustre Finish, but that is up to you. I would recommend going to a local paint store, instead of a lowes or depot. You MAY pay a little more for the paint, but you will get BETTER paint, and Much better service and support from a local store.
And before someone tells you "you can't put latex over oil" yes you can. It is Oil PRIMER, with latex top coat. It will give you the best performance. Latex exterior paints will out last oils by a long time and will be cheaper to buy. but i would definitely let the wood dry out for a week before priming...
And out door wood does not "require oil based paint" and no paint manufacturer will guarantee oil for 25 years EVER
Maybe some type of primer? Or sand the wood so it's not so pourous.
If you have not tried anything since power washing, you may find that is enough. You can use a primer if you are really concerned. Oil based paint was probably always used and may have hindered a latex based paint from going on top. You could try another oil based paint.
If you haven't, use a paint dissolver, then power wash that off. Let it dry and use a paint sprayer to put first a primer and then an oil paint on top of that. ~
Outdoor wood requires an oil-based paint. You'll need three coats. It's very expensive, but is guaranteed for 25 years. Check at your paint store.
go to sherwin williams. they will sell you PRO BLOCK AND SUPER PAINT. 10 years at least!
forjj answered the questions perfectly. I am a painting contractor, and his system he recommended will hold up.
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