Temperature seems to affect it as much as humidity. The temp here dropped at night and the 2nd to last coat of clear took almost 6 hours to dry enough where I could walk on it.
My understanding is that the Hellfire clear is the normal Hellfire without the aluminum powder, and as such doesn't have quite the heat resistance, but is still pretty good.
I recently complete the floor portion of my shop build, which is the last step before I can officially move in.
I picked the Legacy Industrial Hellfire kit because it seemed like a great value while having really good chemical and heat resistance. This is important as my shop is a hybrid...