Does more humidity equate to more open time for glues?
Short answer: yes for PVA, mostly no for epoxy, and the reason comes down to how each glue actually cures. PVA (Titebond, etc.) PVA glue is a water-based emulsion. It doesn’t cure through a chemical reaction between two parts; it sets as water leaves the glue line, either evaporating into the air or absorbing into the wood fibers. Once enough water is gone, the polymer particles coalesce, coming…









