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Kāhu® is a steel roofing and external wall cladding system comprised of a long run steel sheet with a symmetrical profile, along with associated design and installation information.
Kāhu features a double capillary overlap to the side lap which allows for weather greater performance. The double capillary overlap requires only a one rib lap. This increases the cover sheet size and speeds up installation time, providing for a cost effective roofing and cladding solution.
Metalcraft fabricates the Kāhu sheets from steel manufactured by New Zealand Steel. This steel is supplied with different protective coatings which are designed to withstand conditions in specific New Zealand Corrosion Zones.
Metalcraft Roofing supply the Kāhu® system as a horizontal and vertical external wall cladding, and for roofs with a defined minimum pitch of 3 degrees for use on commercial and residential buildings within the following scope:
If designed, installed and maintained in accordance with all Metalcraft Roofing requirements, the Kāhu® Roofing and External Cladding system will comply with or contribute to compliance with the following provisions of the New Zealand Building Code:
See product technical statement for full information.
Metalcraft Roofing are a privately owned building product rollformer and installer with an extensive range of longrun roofing profiles, lightweight metal tiles and rainwater system solutions.Product Enquiries
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