I have a partial sheet of Polystyrene insulation that I plan to cut into a shape to insulate a square hole, without permanently filling the hole. (The structure will be removable for intermittent access.)
What adhesives are good, and what are bad for gluing this material to itself? I was also considering some spare wainscoting board to use as a backer material... if I were to go this route, which adhesives would also be good for that junction? (This is for use in an attic, so the temperature cycles may be significant, and moist, here in the Southeastern US.)
The material in question:
Specially, would wood glue work? How about latex caulk?