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Can roof tile be installed at a 4:12 pitch without battens? Is this preferable, and if so what is the recommended fastener over ext. grade cdx?

April 26, 2017battens fastener installed pitch preferable recommended roof roofer tile

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Can roof tile be installed at a 4:12 pitch without battens? Is this preferable, and if so what is the recommended fastener over ext. grade cdx?

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Battens are optional from a 4:12 to and including 7:12 roof slope. There are several fastening options, i.e. screw(s), two-part adhesive, or one-part adhesive. These are the most popular options and are all wind rated fastening systems. I am about to sign contracts to install Capri Tequila Sunset tile to my new home in Florida The home must meet 120 mph windloads. My local building official requires documentation that your tile, applied with the roofer’s suggested “foam down” method, meets the FL code requirements. Can you provide me such documentation or tell me where to find it? Also, I believe I understood my roofer to say that no screws or nails are used with the foam down method. Is that correct? Wind requirements are based on several factors; in this case wind zone (120 mph), mean roof height (unknown), roof slope (<7:12), exposure (unknown), and tile profile (medium). Based on worst case, the requirement at a 60 ft mean roof height is 31.1 ft-lbs.