blistering
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Joined: Tue Sep 03, 2019 5:31 pm Country: USA |
hello guys, i have a 08 ford escape with rust on the rear quarters, i wire wheeled the rust off to bare metal and made patch material out of galv sheet metal, welded them in used fiberglass strand infused filler bondo brand, sanded that then a skim coat of evercoat 838 filler, then i sprayed speedkote SMR-210 high build primer, then sprayed the correct color on both panels, i picked up the paint on ebay it came pre reduced as a pint with no name, then i sprayed 3 coats of nason clear.. it looked great when i sprayed it on sat now tues im getting a small area of blistering on the area above my welds but on my skim coat of filler. and nothing on the exsting clear i sprayed over. any ideas??? Thanks correction, the sheetmetal was welded on the very edge of the panel of the wheel well area, the blisters are away from any new sheetmetal i added and only where my skim coats of filler are, thanks
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Using a razor blade, cut the top off one of those bubbles and see what's inside.
My guess is that it's massive solvent boil, meaning that the coat that's on the bottom of the bubbled area didn't dry long enough and has continued to evaporate, pushing the layer(s) above off the surface. Moisture on the surface can do similar, that's why you want to have a look inside. Either way, it will have to be sanded back and redone. Chris
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Top Contributor
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Joined: Tue May 19, 2009 7:10 pm Location: OREGON COAST |
those aren't blisters there boils!
Jay D. they say my name is Jay
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Settled In
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Joined: Tue Sep 03, 2019 5:31 pm Country: USA |
hi badsix, any ideas what caused this the car was sitting for a week in primmer before i painted it. and the presol i used i let it flash for about 15 min before i painted. and i didnt see any boils when i prepsoled..
next is my 69 Chevelle ive been working on and its almost ready for paint im scared . thanks |
You're jumping ahead a bit there, oilcan.
First open it up and have a look. What you see on the surface should give you some clues as to what happened. Those ones are pretty bad but I've seen worse. Once you open it up then see how far the problem extends - it may go much further in terms of lack of adhesion, or it may be just a local problem. Those clues might help you remember what you did, or didn't do in the affected areas. Chris
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Explain how you used the Prepsol. 1968 Coronet R/T
ACTS 16:31 |
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Top Contributor
Posts: 6738
Joined: Tue May 19, 2009 7:10 pm Location: OREGON COAST |
DO THIS FIRST ^^^^ its going to tell a lot about what's going on here Jay D. they say my name is Jay
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Settled In
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Joined: Tue Sep 03, 2019 5:31 pm Country: USA |
ok thanks
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Stick your nose near one when you first cut it....you'll probably get a whiff of what the offending stuff is....
Metal, wood, fiberglass, we work it all... www.furniturephysicians.com We can restore the irreplaceable!
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pin holes is my guess or rust
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