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Old 07-01-2015, 08:19 PM   #1
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We started this exterior today . So everything looks like the first pic and anything you scrape turns to the second pic. The house was painted 5 years ago with sher kril. The homeowner said they pressure washed with a vengance which is clear from the scored wood we have seen. Then started painting a day later no scraping no priming told the HO that what the pressure washer was for. Trying to determine the main cause of the peeling soffits the rest is normal peeling of chipping.
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Old 07-01-2015, 08:32 PM   #2
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Could be that's what vengeful pressure washing will get ya. Especially on plywood. I notice the solid stock siding and trim aren't peeling. Usually paint peeling back to the substrate is an indication of moisture getting behind the paint film.
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Old 07-01-2015, 10:50 PM   #3
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Check the back of chip for a crystal salty looking film.
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Old 07-02-2015, 04:27 AM   #4
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Quote:
Originally Posted by BPC View Post
We started this exterior today . So everything looks like the first pic and anything you scrape turns to the second pic. The house was painted 5 years ago with sher kril. The homeowner said they pressure washed with a vengance which is clear from the scored wood we have seen. Then started painting a day later no scraping no priming told the HO that what the pressure washer was for. Trying to determine the main cause of the peeling soffits the rest is normal peeling of chipping.
nuff said
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Old 07-02-2015, 07:21 AM   #5
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Any time you PW and paint with in a 5 day period your risking paint failure.
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Old 07-02-2015, 09:37 AM   #6
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Quote:
Originally Posted by cdpainting View Post
Any time you PW and paint with in a 5 day period your risking paint failure.
Especially when there is no place for the moisture to go but to lay on top of the paint film.
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Old 07-02-2015, 01:04 PM   #7
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Yes it is a losing battle all the wood is damaged the fibers look like straw underneath when we scrape and sand.
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Old 07-02-2015, 05:56 PM   #8
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I see quite a few of these type of plywood soffits here in Ohio. My conclusion over the years has been lack of ventilation which leaves moisture to accumulate on the attic side of the plywood which eventually pushes the paint off. Those little vents just don't seem to allow much air to circulate and dissapate the moisture.
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Old 07-02-2015, 06:14 PM   #9
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Quote:
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I see quite a few of these type of plywood soffits here in Ohio. My conclusion over the years has been lack of ventilation which leaves moisture to accumulate on the attic side of the plywood which eventually pushes the paint off. Those little vents just don't seem to allow much air to circulate and dissapate the moisture.
That is what I have on my house. Did the whole scrape and re-prime/paint thing but it is still having adhesion issues in some areas. The only solution I have found is to use a long oil alkyd primer. I have had people suggest that I drill some weep holes in it also.
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Old 07-02-2015, 08:41 PM   #10
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We typically scrape oil prime peelbond and paint. If that doesnt hold we recommend moving.
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Old 07-02-2015, 09:54 PM   #11
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Quote:
Originally Posted by BPC View Post
Trying to determine the main cause of the peeling soffits the rest is normal peeling of chipping.
If the roof is leaking then it will cause soffits to do this. Many times it won't show up in side and run down the rafters until it hit the soffit. Leaks could also be in the overhangs instead of over the house.
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Primer makes everything better...
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Old 07-02-2015, 11:35 PM   #12
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The weird thing about the soffits is there are no water stains anywhere but plenty of water stain and damage from the pressurewasher.
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