How Do You Reroof Over Asphalt Shingles?
An average roof may have a shelf life of approximately ten years. You have two choices for replacements: Remove the old roof and put down new shingles or put new shingles down over the old roof. Putting down new shingles will cost less. Remove the cap layer over the entire roof with a specialty shovel or a garden fork. You’ll be able to layer the shingles all the way to the peak of the roof and place a new cap at the top. Sweep the roof clean and inspect it for any damage or places where shingles are missing. Remove the old flashing and boot flanges and install new ones. Replace any areas of damaged sheathing and replace missing or damages shingles so that the surface is uniform for the new roof. Prepare the roof by using a hook knife to cut a 2-inch strip about 12 inches in from the drain plate. This point will be the bottom 2 inches of the third layer of shingles. Nail in a new drip edge completely around the house before the first layer of shingles. Place a new layer of roof felt do
