When installing new windows, one thing you need to make certain of is that your window frames are square. If they aren’t, you can install window shims to put your new window in properly. Home Guide by SFGate shares with us how to do this.
The materials you will need include a hammer, some nails, a tape measure, 2-inch screws, a drill, a utility knife, and of course, your shims. Click here to read the full instructions.