Drill out the four corners.
How to cut a hole in glass door.
Removing the door is an option that allows you to work in a.
Begin at very low rpm to create a dimple in the glass then remove the cardboard and continue at about 400 rpm.
Position your glass on the door where you will insert it and measure its distance from the top and sides.
Start on a piece of cardboard.
Drilling a hole in a pane of glass or a mirror is simple.
The key is to use a carbide bit made especially for glass and tile.
Is it possible to cut a hole in a existing sliding door and have a dog door added.
How to cut a hole in a piece of glass step 1.
Cutting hole in a sliding glass door.
Place the point of the drill at the center of the marked point on the glass pour a few drops of lubricating oil on the area around the drill tip and glass beginning at low speed with medium pressure drill a small starter hole into the glass.
How to cut a hole in a door to install glass 1.
Protecting the glass get out your packing tape and cover both sides of the glass in the area you will be cutting.
Measure your cutting area do not rush this step because precise measuring will result in a precise cut.