My old boss swore by thinning shellac with denatured alcohol, but I think that's a mistake
He'd say 'it dries faster and lays flatter' every time, but on a humid day last August, a whole tabletop I did got cloudy and stayed tacky for a week. Has anyone else had problems with that mix in damp weather?
Last summer I tried that exact mix on a cabinet door and it never fully cured. It felt like sticky plastic wrap for a full month, and I had to strip it all off in the end. Humidity just kills it.
Did you check the humidity levels when you applied it? I've found that even slightly damp weather can mess up curing times for oil-based finishes. A friend of mine swears by only doing this kind of work when the humidity is below 50 percent, and he keeps a cheap little gauge right on his workbench. I think a lot of people forget that drying and curing are two different things, and humidity drags out both.
Yeah, it's like people get stuck on one way of doing things and ignore the weather. I see it with my neighbor who insists on watering his lawn at noon in July.