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General Fixing Instructions Pitch of roof. Versasteel can be laid on roofs with a minimum pitch of 10 deg. with a sealed side lap. Side lap. The normal side lap is one corrugation. The tightness of this joint can be improved by fixing the side laps with teks or seam stitchers at 350mm centres. End lap. The design of Versasteel tiling provides an end lap of 75mm. Jointing is made by fixing through each end lap.Chimneys, pipes and other penetrations. Special care should be given to waterproofing around chimneys, pipes etc. S.L.E. Cladding LTD can supply a “Lead Look” self-adhesive flash band as well as rolls of flat lead. Cone shaped pipe flashings (hot or cold) are also available Cutting and drilling. Lay the sheet on a flat surface and carefully mark out the areas to be cut. Cutting can be done with an electric jigsaw, a tungsten carbide faced blade is better than a toothed metal cutting blade. For any minor cutting a keyhole saw or a good pair of tin snips is quite adequate. Fixings The fixing is normally made by tek screws, which are fixed through the base of each corrugation. The number of fixings required depends on the wind loading and other factors. SLE Cladding recommend a 40mm Tek screw with appropriate Colour Cap in the base of every corrugation on every purlin run.
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