Helletak is the traditional, time-tested Norwegian way of roofing with slate: large flat slabs cover the roof in a natural, characterful pattern that preserves the look of buildings rooted in Norwegian building tradition. Especially suited to mountain areas and buildings in scenic settings, where the slate harmonises with the landscape — and Alta quartzite withstands extreme climates. Pallet: approx. 15–20 m² (approx. 1,200–1,275 kg); weight approx. 85–90 kg/m². Price on request.
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