I never trust the word of community members here - despite their usually good intentions. I checked the SnapSafe website myself and found their FAQ answer that says you can BOTH lock AND unlock the door from the inside: https://www.snapsafe.com/support/faqs/does-the-vault-room-door-have-an-internal-release-to-get-out
there is a installation Manuel in the product info section on the home depot page that shows the specs of the door you can down load and review it before buying it
2x4 wall
No, there is a EMP proof digital lock available, but nothing with a mechanical option.
no
no
Hello, yes we have a 32" wide door opening too. Item number 75416 and 75419.
WIII- that is NOT an answer unless you provide exact info on where on youtube and the specific info directing someone to the exact video. geeeesh.
Depends on the local contracting rates in your area. Most folks install themselves.
For obvious safety reasons, Door cannot be locked from inside -