Steel Door Institute (SDI): 117, Manufacturing Tolerances for Standard Steel Doors and Frames. All SDI publications. Steel Door Institute/American National Standards Institute (SDI/ANSI): A250.6, ...

When it comes to choosing an entry door for your home or business, it’s important to consider both functionality and aesthetics. Steel entry doors with glass offer the best of both worlds, combining ...

Metal door frames, more commonly known as hollow metal frames, are used to hang, secure and latch swinging doors. Metal door frames are typically found in commercial applications, though they are ...

Fiberglass and steel doors are manufactured similarly. A wood perimeter frame is sandwiched between two thin skins of either ...