The roof you put on your house represents a large part of the cost of your remodeling project or addition. If you are a person who is unafraid of heights, willing to learn the skills, and able to lift heavy things, you might be able to do your own roofing and receive a great deal of savings. Look at some good websites and buy a reliable roofing book to help you. Hire a professional to oversee the project and begin. Remember that roofing boards, shingles, flashing, gutters and other roofing materials must be installed right or you will have leaks. Different grades and types of roofing materials and roofing boards are available; at the lumber yardask what would be right for your project.  Plan the construction of the roof depending on the quality of the items you purchase. Don’t forget to consider both the dead load and the live load that your roof will need to hold up. If you live in a northern climate, you’ll need to factor in the extra live load of ice, wind and snow.