Does gray SPI epoxy primer need to be top-coated?

RBrid

RBrid

New Member
Hello - Glad to be joining the forums as a new member! I am restoring a C3 corvette and want gray wheel wells, underside and engine compartment, like an old school race car. I will be using the gray SPI epoxy primer for sure. Now the question is does it need to be top-coated in those areas, because of the long term UV effects? The car will be garaged.
77Vette3.png

Cheers, -Regis
 
Welcome to the forum!
If the area is not exposed to direct sunlight, it will be fine to leave it in SPI epoxy permanently if you wish.
 
I will say I used SPI red epoxy on the roof of my 56 Chevy sitting out in my yard in full California sun a few months ago. Talked to Barry about it first and explained that it is a temporary "protection" coat on the roof until I can get around to the project. Barry was ok with it as long as it is being stripped off before the car is painted. It laid down unreduced like a topcoat and so far it looks perfect - no flaking, lifting or anything. got to be careful to clean off the bird crap every once in a while though as that stuff is toxic!
 
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