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Pre-heating my finish cans solved a common problem
I used to get lumps in my varnish when it was cold. Now I set the can near a heater for ten minutes first. The finish goes on smooth and dries evenly. This trick saved me from sanding out rough spots later.
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william_garcia7mo ago
In my old shop, we always kept varnish at room temp, about 70 degrees, before using it. It's not just a tip from a painter, it's because the resins thin out when warm. If you heat it too much, though, it can skin over faster. Ten minutes by a heater is perfect, like the post says, but avoid direct flame or it might flash off. Learned that the hard way with a can that got too hot once.
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