INSTALLATION GUIDELINES 3-WAY ROOF EDGE NEW SHINGLES 3-WAY ROOF EDGE UNDERLAYMENT OLD SHINGLES Recover: Applying a new, additional layer of shingles on top of an already existing shingle roof. Typically, the maximum number of layers allowed is two, on roofs with a 4/12 slope or less. Trim any curled shingle corners and remove any curled tabs, replacing them with flat shingle scraps. Install 3-Way Roof Edge on rakes and eaves, leaving a neat protected edge. Start with the eave edge then the rake. Overlap sections at least 2 inches. 3-Way Roof Edge should be nailed every 12 inches or more nails in highwind conditions. New Shingle New Underlayment Old Shingle Old Underlayment Roof Deck 3-WAY ROOF EDGE ENCAPSULATES THE OLD SHINGLES PRIOR TO RECOVER CAUTION! Working above grade is inherently dangerous, be sure that proper fall protection measures are in place. When working with power tools and sheet metal, gloves and eye protection are absolutely required. These installation guidelines are for use with typical or standard applications. It is always recommended to seek advice from a licensed professional, and to check with your local building inspector or building permit office for approvals and possible variations that may apply.