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Had a fender repair come back after three months and it taught me something about filler

I did a rear quarter panel job last spring on a 2010 Civic. Used what I always use, sanded it down, primed it, painted it. Three months later the customer comes back and there's a hairline crack right along where I'd laid the filler. I blended a fresh batch that day but I think the shop temp was too cold when I mixed it. Has anyone else run into trouble with filler curing right when the weather is below 60 degrees?
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2 Comments
dakota_miller93
Temp and moisture in the air affect filler just as much as the mix ratio does.
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the_lucas
the_lucas5d ago
What specific temp range screws up your cure the worst?
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