design and installation guide

Lysaght Custom Orb Accent® 21 Equally at home on a traditional or contemporary design building LYSAGHT Custom Orb Accent® 21 is the perfect alternative to traditional corrugated steel roofing. The deeper profile of Custom Orb Accent® 21 steel roofing not only gives a striking visual effect but also delivers real benefits to the architect, builder and owner alike. With the same 762mm cover width as traditional corrugated steel roofing LYSAGHT Custom Orb Accent® 21 can be easily utilised on existing and new roofs without the need for changes to supporting structures. The 21mm corrugations of Custom...

CUSTOM ORB ACCENT 21 Limit State wind pressure capacities (kPa) 0.40 BMT Span Type Limit State Serviceability INTERNAL Strength CUSTOM ORB ACCENT 21 Limit State wind pressure capacities (kPa) 0.48 BMT Span Type Limit State Serviceability SINGLE Strength Serviceability END Strength Serviceability INTERNAL Strength • Table data are based on supports of minimum 1mm BMT. Roofing & Walling profiles Limit states wind pressures custom orb accent 21 offers the full benefits of the latest methods for modelling wind pressures. The Wind Pressure capacity table is determined by full scale tests conducted...

Installation Crest xing for roof or walls Valley: 3 fasteners† Side-lap Valley xing for walls only † Fasteners per sheet per support. Fastening sheets to supports Don't x here because underlapped sheet would leak. custom orb accent 21 is pierce-fixed to timber or steel supports. This means that fastener screws pass through the sheeting. You can place screws through the crests or in the valleys. To maximise watertightness, always place roof screws through the crests. For walling, you may use either crest or valleyfixing. It is usual to allow roof sheets to overlap into gutters by about 50mm. The...

custom orb ACCENT 21 Flashings and Cappings Standard flashings and cappings are available. (See below.) Standard Flashings Description Turning-up custom orb ACCENT 21 This section describes how you can treat the ends of sheets to maximise waterproofing, or to stop vermin entering. At the high end of roofing, wind can drive water uphill, under the flashing or capping, into a building. To minimise this problem, you turn up the valleys (or pans) at the high end of roofing. (The process is called turning-up (or stopending). All roofing on low slopes (≤25º) should be turned-up. During the turn-up...

Product Descriptions All descriptions, specifications, illustrations, drawings, data, dimensions and weights contained in this catalogue, all technical literature and websites containing information from Lysaght are approximations only. They are intended by Lysaght to be a general description for information and identification purposes and do not create a sale by description. Lysaght reserves the right at any time to: (a) supply Goods with such minor modifications from its drawings and specifications as it sees fit; and (b) alter specifications shown in its promotional literature to reflect changes...