Some experts will tell you to begin in the middle in a pyramid and work both ways (which allows two shingling workers to work on that same section) to achieve a more balanced look. Install the accessory ridge and cap shingles at the peak of your roof (on ridge cap if present) or on the hips if your on a hip roof. Where possible, install three-tab shingles so that the tabs falling over metal valleys or rake edges at the side of the house are at least four inches wide. Easy to understand. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Asphalt shingles are a classic roofing option as well as the most popular style of roofing for homes. Use sticky back ice and water shield as underlayment where ice dams or leaf and twig dams are likely to build up, and at valleys and where the roof ends at a wall (wide metal flashing may also be used there). With over 60 years of combined experience, Bumble Roofing provides easy, friendly services to structures including residential, commercial, industrial, multi-family, and government buildings along with hospitals, hotels, and churches. It generally takes three bundles of shingles to cover 100 square feet (9.29 square meters). ", edge". In Dade County, Florida, and some other hurricane-prone zones, OSB is prohibited for use as a roof sheathing. The next shingles above should cover the nails by about 1 inch vertically. Shingles also come in many colors … Some costs to consider: If you’re getting ready to make a big roofing change from asphalt shingles to metal, you’ll have to first make a decision on what to do with your old shingle roof.One option is that your shingle roof can be removed prior to the new metal roof being installed, but that is not your only choice. Experience the total Owens Corning Roofing System and high quality roofing shingles. Asphalt shingles are the most widely used roofing product in Northern America – and with reason. It is a good idea to use this to line valleys and the first few feet of the roof deck along eaves. Wire mesh is used to promote ventilation to protect shingles from blistering due to extreme attic/shingle heat in hot climates. This image may not be used by other entities without the express written consent of wikiHow, Inc.