Download CORODEK® Technical Specs PDF
CORODEK® sheets shall be cut in a way so as to avoid damage to the sheets and other nearby finished building products.
Handling of Material
When handling CORODEK®, extreme care needs to be taken to preserve the quality of the finish. Packs should be kept dry and stored above ground level whilst on site. If the sheets become wet, these need to be separated, wiped and placed in the open air to dry.
Metroll can supply CORODEK® COLORBOND® steel, ZINCALUME® steel or galvanised steel sheeting cut to customer specifications depending on load limit regulations set by the relevant local transport authority. Manufacturing lengths ordered from Metroll need to be site measurements, not those taken off building plans.
The required sheet length is obtained by measuring the distance from the ridges to external edges, or fascia and adding 50mm for overhang into the gutter. Length tolerance on CORODEK® is ±0-15mm.
When walking on CORODEK® roof sheeting, always wear flat rubber soled shoes and ensure that you walk only over areas where you have installed purlin or batten supports.
Prior to leaving the work site at the end of the day, ensure that you remove all foreign debris, screws, rivets and especially any swarf from drilling or cutting from the roof surface or from inside the gutters. These systematic cleanups avoid the onset of premature corrosion of the roofing or cladding sheets.
Never use lead flashings with ZINCALUME® steel, COLORBOND® steel or galvanised steel CORODEK® profiles, as these products are inert materials. Drainage from copper roofs onto ZINCALUME® steel, COLORBOND® steel or galvanised steel roofing or rainwater products should not be allowed.
CORODEK® profiles can be roll formed in ZINCALUME® steel, COLORBOND® steel or galvanised steel. Please contact your nearest office about colours, lead times and availability.
If you intend to use CORODEK® roofing or walling within 1km of industrial, chemical, marine or unusually corrosive environments please contact your nearest Metroll office for advice on the right product.
Design & Building Specifications
CORODEK® roofing and cladding profiles shown in drawings need to be specified as CORODEK® as manufactured by Metroll Pty Ltd. CORODEK® needs to be fixed in a workmanlike manner and in accordance with the manufacturer’s recommendations. Base sheet needs to be specified as G550/AZ150 with preferred finish.
Availability & Delivery
Contact the nearest Metroll office for the relevant lead times, colours and product availability. You can assist us to supply material in good order by ensuring that suitable arrangements have been made to unload our trucks.
To prevent damage when lifting long lengths of sheeting by crane, ensure that the load is evenly spread. Where a crane cannot be made available, the customer is responsible for providing sufficient labour to help the driver to unload.
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