One method for insulating your doors is to install a door sweep. In addition to keeping cold air from entering a home, door sweeps offer additional benefits. They can also prevent dirt, leaves, and ...

Here are my top seven upgrades for less than $50. DIY door sweep: A door sweep is something that attaches to the bottom of your door to keep the cold air out.

If the sweep needs to be replaced, buy a new one at a home improvement or plumbing supply store and sandwich it in between the door and drip edge (you may have to trim it). Then screw the drip ...