The Karp DSB-123SD is a high-security access panel made of 10 gauge steel and used in the detention industry. Locks shall be heavy duty detention lock.
Karp's medium security access door DSB-123SD-MS is a 12 gauge steel door used in areas where a more secure access panel is required.
The Acudor MS-7000 is a 12 gauge medium security access door for walls and ceilings with concealed hinge.
The Acudor SD-6000 is a heavy duty detention access door for high-security areas such as prisons, correctional facilities, etc.
The Maxam FSD is an uninsulated 2 hour fire rated security access door for walls.