How to install a dog door in a metal door?

Cut Out the Hole. Drill a hole in each corner of the frame you have marked out. These holes should be just large enough to accept a metal cutting jigsaw blade. If the door is double skinned, make sure you cut through both skins. read more

Position the template on the outside of the door in the exact location where you want the door. The bottom of the pet door should be at least 3 inches from the bottom of the steel door. Check for level and square. Tape the corners of the template to the door. Trace the inside of the template on the door. read more

Fitting a Self Framing Pet Door. A self framing pet door is in a frame made up of two sides that telescope into each other. Insert the outer (female) side into the hole you have cut into the door then insert the inner (male) side. The two sides will be fixed by screws that will close the two sides together to grip the door. read more