Exterior Advice

mjay

South West facing elevation, Bottom half cedar siding: Prep feather sanded and spot prime.
1st question. Spot prime: Oil or Acrylic ? Thinking oil since there has been no evidence of moisture.
2nd question. After washing 1 primer all siding[acrylic] and 1 finish or forgo coat of primer and apply 2 finish?

Top half: Cedar shingles. {rough side out}, previously painted. some evidence of blow out [paint completely blistered down to wood] multiple layers of paint. Stripping completely is not an option.
1. 2nd best way to prep? I know if I hit it with a sander I'll be taking off the surface and be there forever.
2. best primer?
Customer knows the top will not look as good or likely last as long as the bottom, discussed removing and replacing with siding. But not an option for him yet.
Many thanks for input/advice.

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pdity

I would pressure wash with a vortex tip, prime with oil undercoater since it is cedar. oil primer prevents tannins from coming through, 2 finish coats. where are you upstate. I'm near Rochester.

PlainPainter

Ok here is how you do it.

For the whole house - pressure wash everything first.

Bottom half where you have cedar clapboards, scrape, feather sand,
spot prime with an oil primer. As for painting, purchase a 100% acrylic latex primer - tint it to the color customer wants, at least as close as it can get as allowed by manufactureres - then use that as your first coat of paint. Then second coat with latex house paint.

top half: Scrape with Bahco tungsten/carbide pull scrapers, spot sand, and follow above with prime and paint. If you are really pressed for time. Just do a splash and dash technique with the shakes. Instead of oil primer - purchase XIM Peel Bond. Have it tinted with up to 2 oz. of colorant. Use a putty knife and a pull scraper. And figure exactly how much time you are alotting yourself to per area for scraping, and don't spend any more time! Then use the peel bond as your primer/first coat of paint. And then paint the second coat with latex paint.

Good luck

-plainpainter

slickshift

Not familiar with the term
What exactly do you mean by "blow-out"

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