Whether you need to guard cash and valuables from theft or protect documents from fire, The Safe Source offers a variety of built-in solutions. We also assist you in making the best selection for your needs.Wall safes should be installed between 16” on-center studs with a built-in front flange to recess the face of the safe. This assures easy concealment and saves you the trouble of re-plastering or reinstalling wallboard. Choose from one-hour UL fire ratings or greater burglary protection.