Patch Knife Patch Knife Patch Knife In The News Questions about Patch Knife How do you go about patching a hole in the size of a fist? Roommate throw a fit after talking to his ex girlfriend and decided the best way to let out his anger is to punch a hole in a wall of a place that is not ours. The wall is white so it would be easy to cover it up if what I patch it with is white as well, what is the best way to go about patching it up?? Supplies you will need: A small piece of drywall (slightly bigger than the hole) Drywall screws A few small pieces of wood (Just about any type will work) Drywall Joint Compound Take the razor blade and 'square up' the opening by cutting a box around the hole. Measure the opening and cut the small piece of (replacement) drywall to fit Carefully take a piece of wood, put it in the hole and turn it so that it is flush with the back side of your wall and partially covering the hole. While holding the wood with one hand, screw the wood to the backside of your wall. Do the same thing with another piece of wood. (The wood should now be secured to the back/inside of your wall and partially covering the hole) Take the piece of drywall, fit it into the hole and screw it to the wood pieces. Using the putty knife,