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djtjak43 05-21-2008 08:10 AM

Peeling exterior trim on a relatively new house
My house is 3 years old & the exterior trim has been peeling, it has already been touched up once & continues to peel. Any thoughts on the best preparation & paint to use to fix this?

slickshift 05-21-2008 06:51 PM

Welcome to the site

Yes, touch-ups won't help the peeling problem
Only touch-up what has peeled

First, you need to find the reason for the peel
It could be improper prep, improper application, improper product
I suspect that it's paint (rather than a solid stain) and the trim wasn't primed
But that's only because that's the most common problem
It could be one or more of many things

When it peels, does it peel down to the wood or composite material?
What color is the paint?
What color is the underside of the peels?
What is the condition of the wood underneath?

Once you find the problem, then you can find the best solution

Just a heads up, it will probably involve scraping and sanding any loose paint off, then a full prime with a problem solving primer and two coats premium exterior paint

djtjak43 05-22-2008 05:49 AM

Thanks for the reply. The trim on the house was primed at the factory, the touch ups were primed (I watched to make sure of that) any suggestions for the best primer & trim paint to use?

slickshift 05-22-2008 04:36 PM

When it peels, does it peel down to the wood, or just down to (leaving the) the primer?

djtjak43 05-22-2008 05:19 PM

Some spots just to the primer, some spots down to bare wood

slickshift 05-22-2008 08:32 PM

The fix is to scrape and sand to remove any loosely adhering paint and primer
Do not be shy about it
Anything that flakes or fall off with a pass from a scraper is not a good substrate for any type of paint job, and needs to be removed

What's left will be a very uneven surface (unless everything comes off)
You need a fair amount of sanding to "feather" the areas that had paint/primer removed
Again, don't be shy
Most any "ledge" left by still adhering paint next to removed paint, will show through your new finish
That "ledge" needs to be feather sanded so it is smooth, and won't be noticeable once coatings are applied

Clean and mildecide at this point, if needed

Then you'll want to coat the whole thing with a slow drying penetrating oil-based (alkyd) primer
Do not use a quick drying stain sealing oil primer (Kilz, CoverStain)
You'll need a nice slow drying one...a.good one...from a real paint store
They have the good stuff
I'm more familiar with Benjamin Moore's products, which are excellent (Fresh Start primers)
But I'm sure Sherwin Williams has a good slow drying penetrating alkyd primer also

After that has dried, then two coats of premium exterior paint are in order
All the biggies have good stuff (BM, SW, Pittsburgh, California...)
But in your particular case (which is a problem situation...and we do not want any more problems with it), I would strongly recommend a high build (fills in uneven substrates...which you will have), self-priming (you've primed, but that was to fix a real severe problem, and your paint will need every advantage it can get), exterior paint like
Sherwin Williams Duration or Benjamin Moore's Aura

That oughta do it

joewho 05-22-2008 11:37 PM

This sounds like a good candidate for powerwashing.

Sounds like the primer/paint is thin and already weathering off.
At 3 yrs. old, it's very likely that you can powerwash off all the primer/paint that hasn't been touched up. It will save a lot of scraping.

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