There are several advantages to building a roof overhang. It can divert rain water from rotting the wood walls of your house, provide shade and can add architectural appeal to your home. Some of the things you will need are a Drill, hammer, plywood, lumber, circular saw, safety glasses, nail or screws and construction adhesive. After you have gathered all your materials, you are on your way to
. building a roof overhang. If you have a lot of time and patience, you can create stone overhangs as well. You can find more information here: http://www.ehow.com/how_4526394_build-an-overhang.html