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I left my lovely VX220 outside through the winter - I did try to put a cover over it, but sometimes that wasn't possible.
When I bought it, I saw a couple of small blisters on the body, I didn't know what they were. Recently I spotted a few more, and concluded after a bit of blind google researching, that moisture has got under the paint and frozen and pushed the paint up (or whatever). It's not unsighly, but I pressed my nail into one and it cracked. The car has been well looked after and it pains me to see these little things on it, they are about the size of a ladybird.
What is best way of treating these - there is a small amount of crazing on the bottom corner which is fairly invisibly, but what are those mobile body repair/sprayers like and how much do they cost 'per panel'? I think it's just best to get each bit that is affected resprayed (door and front hatch cover). I no longer have any where I can repair or work on cars (and don't want to really).
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Last Edit: Apr 2, 2024 17:50:51 GMT by davidbb
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It sounds like micro blistering, it's from a previous paint job. It's probably been done in a humid or damp conditions or over painted before the primer is fully dried, or the solvents allowed to evaporate completely. It needs to be taken back to before the primer.
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You need to understand where the blisters are coming from, usually it's in a layer of porous primer or high build thats got some moisture trapped in it. If thats the case you need to sand back to below the problem layer, bake it dry then coat with epoxy, I then do all the prep in epoxy sanded dry. (much harder going but it can't hold moisture).
The other potential cause is the moisture is in the fiberglass, in this case it will need to have all the paint stripped off be baked dry and painted again, it may also need the reverse of the panels sealing if that's how the moisture is getting in.
As a temporary measure you can often reduce the size of the blisters by drying it out, a dehumidifier helps.
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It sounds like micro blistering, it's from a previous paint job. It's probably been done in a humid or damp conditions or over painted before the primer is fully dried, or the solvents allowed to evaporate completely. It needs to be taken back to before the primer. These and the Elise are well known for doing this straight after winter, they all suffer from it (I don't know about other fibre glass cars).
Mine has never been resprayed before though. Just to add, the blistering is really not huge, it's just a couple on the door and the front hatch - searcihing for images on google brings up some really severe cases of it. It was stored in a heated garage by the previous owner from new and did really low mileage in the summer.
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As an added piece of advice, don't put covers on the car, for two reasons any wind will move the cover so it will wear the paint away on any edges. The other is it can make the car 'sweat' and can cause paint problems like micro blisters, because of any quick temperature changes in humid conditions resulting in condensation.
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Last Edit: Apr 3, 2024 15:24:04 GMT by colnerov
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As an added piece of advice, don't put covers on the car, for two reasons any wind will move the cover so it will wear the paint away on any edges. The other is it can make the car 'sweat' and can cause paint problems like micro blisters, because of any quick temperature changes in humid conditions resulting in condensation. They are extremely light covers, any wind and they balloon up instantly, fitting overnight isn't going to damage anything. The flow of air under it dries any moisture out anyway. I've used them for years.  |
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