A: Don't know, but it can be painted. I painted mine with one coat latex. If used outside a layer of paint would help protect.
A: The square cut out is 12” x 12”.
A: Hello Ken. The outside dimensions of the door measure 13.75"x13.75". You can find additional information and specs here: https://acudor.com/products/flush-acces-doors/pa-3000. Thank you.
A: 12x12 is the inside diamention
A: Door dimensions: 12 in. x 12 in.; overall dimensions: 13-3/4 in. x 13-3/4 in.
A: The opening (cut out) is 12” X 12”
A: The door is 12x12. 14x14 overall
A: Yes, it is hinged.
A: No. It is not hinged. Just a panel that completely removes.
A: Hi DOuglas. It is not. It grabs on one side, and on the other side it clicks in place. Thus when you open it, the inside panel is completely removed.