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5Installing roof hooks and horizontal rails5.5 Roof Hooks for Flat ShinglesNOTICEIt is recommended to consult a rooferwhen installing on slate or compositeshingle roofs.Fig. 23 shows a typical installation of the roof hook on anasphalt shingle, flat shingle, or slate roof. The long partof the hook faces upward and is covered by the adjacentrows of shingles.Ensure the required distances (w, x and y) between thetwo roof hooks as detailed in (Tab. 4 and Tab. 5,page 14). Install roof hook (Fig. 23, [3]) and gasket(Fig. 23, [2], not supplied) to the shingles usingscrew (Fig. 23, [1]). It is recommended to apply generous amounts ofcaulking on the underside of the roof hook and intothe screw holes to establish a tight seal.Fig. 23 Mounting on shingle roof1 Screws2 Gaskets (not supplied)3 Roof hook4 Bottom tileSYSTEM DAMAGECAUTION!due to an insufficient substructure. Ensure the building substructure iscapable of carrying the load of thepanels including the required snowand wind loads. Only attach to framing that is properlysupported. Do not install hanger bolts in less than2x6 framing. Follow the local building code and bestpractice when installing roof hooks.22Logasol SKN 3.0 - We reserve the right to make any changes due to technical modifications.