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Lysaght Mini Orb® Warnings LYSAGHT MINI ORB® is not suitable for roofing The tables on this page are based on sheets being overlapped by 1.5 corrugations Lead and copper are not compatible with ZINCALUME® steel or COLORBOND® steel Ensure selection of suitable materials for environmental conditions for maximum durability Installation The supporting structure should be as rigid and flat as possible to ensure an even finish. It is recommended that at least two people are used for the installation of  MINI ORB®. Fastening For ceilings, fasteners may be placed along the sheet at up to 1200 mm centres.  For best aesthetic results, limit the support spacings to 900 mm maximum. MINI ORB® should be fixed to all intermediate battens or studs to prevent noise if the sheet flexes with pressure fluctuations in the building. MINI ORB® is valley fixed to timber or steel supports. Fasteners should not be located less than 15 mm from ends of sheets.   Fixing to steel up to 3 mm BMT Fixing to timber Valley Fixed Ripple Teks screw 10-16x20 Ripple Teks screws 10-16x30 KEY:  † Fasteners per sheet per support Wall installation MINI ORB® can be installed with the corrugations running vertically or horizontally. Horizontal Corrugations Decide how the sheet width will best cover the height of the wall, giving each overlap the same number of corrugations.  Overlaps of more than two or three corrugations may detract from the final looks of the job. Start fixing near the centre of a sheet, on one edge, and work outwards towards the ends of the sheet.  Place successive rows of fasteners parallel with the first row, working similarly from the centre. If the sheet is long (about 3000 mm or longer), be careful that the sheet remains straight, along its top and bottom edges. Vertical Corrugations Follow the same general procedure as that described for horizontal corrugations.  Take care when you place each row of screws, that the corrugations are not flattened, thus forcing the sheet to become wider. End Laps End laps are not recommended.  See the trimming details below. Trimming Maintenance Optimum product life will be achieved if all external walls are washed regularly. Areas not cleansed by natural rainfall (such as the tops of walls sheltered by eaves) should be washed down every six months.