Vault doors can be purchased through safe and vault companies listed in your local yellowpages.
A few insights:
"Vault Doors" built by gun safe companies are not vault doors. They look like vault doors, but do not offer any real fire or burglary protection. You could buy a commercial steel door, and be better off.
These types of doors do come in handy when dealing with existing construction, or decor reasons.
Real vault doors can be very heavy. If you are planning on doing something like this, it should be in the preconstruction phase. Once a house goes up, it becomes much more expensive to move a door inside. It is a lot easier to set the door with a crane, even if it is a lighter door. Although a gun safe company's door may weigh 1,000 pounds, a real vault door can easily weigh 8,000 pounds.
Do not buy vault doors on E-bay unless you know a heck of a lot about vault doors. Many of these doors are sold without frames which makes them useless. Many are missing parts. Also, many of these doors must be demo'd out of their present location, rigged, and moved across reinforced floors to be shipped. I have had many calls from people who have gotten a "steal" on a vault door, just to get a $10,000 quote to remove it.
A few insights:
"Vault Doors" built by gun safe companies are not vault doors. They look like vault doors, but do not offer any real fire or burglary protection. You could buy a commercial steel door, and be better off.
These types of doors do come in handy when dealing with existing construction, or decor reasons.
Real vault doors can be very heavy. If you are planning on doing something like this, it should be in the preconstruction phase. Once a house goes up, it becomes much more expensive to move a door inside. It is a lot easier to set the door with a crane, even if it is a lighter door. Although a gun safe company's door may weigh 1,000 pounds, a real vault door can easily weigh 8,000 pounds.
Do not buy vault doors on E-bay unless you know a heck of a lot about vault doors. Many of these doors are sold without frames which makes them useless. Many are missing parts. Also, many of these doors must be demo'd out of their present location, rigged, and moved across reinforced floors to be shipped. I have had many calls from people who have gotten a "steal" on a vault door, just to get a $10,000 quote to remove it.