Utopia Arkitekter AB
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GreenCoat by SSAB

Utopia Arkitekter AB

Chalet de randonnée Skýli

GreenCoat by SSAB en tant que Roofing.

C’est avec les architectes innovants, désireux d’intégrer des matériaux durables à leurs constructions, que SSAB aspire à travailler. La firme Utopia Arkitekter de Stockholm, en Suède, en est un bon exemple. Elle souhaite construire, dans les montagnes, un chalet de randonnée marqué par une approche fortement respectueuse de l’environnement : le chalet Skýli.

Le chalet de randonnée Skýli arbore des formes pyramidales aiguës, une structure solide, durable et stable, ainsi que de nombreux détails pratiques. Les pignons triangulaires rappellent une tente classique, l’abri le plus basique utilisé par les randonneurs du monde entier.

La couleur bleu vif de la toiture du chalet Skýli, qui sera réalisée en acier prélaqué GreenCoat® de SSAB, représente la lumière nordique et garantit la visibilité de Skýli dans le paysage environnant. Elle rendra le chalet facile à trouver, tout en créant un symbole fort, représentant l’abri et la sécurité.

Bien que la phase de construction n’ait pas encore débuté, le chalet Skýli a déjà été remarqué par des professionnels du monde de l’architecture. Il a en effet été nominé au prix World Architecture Festival (WAF) Award 2017, dans la catégorie « Leisure-led Development - Future Projects ». L’acier prélaqué GreenCoat® sera utilisé pour la toiture, car c’est actuellement le produit d’acier prélaqué le plus durable du marché, grâce à l’utilisation d’huile de colza suédois à la place d’huiles fossiles dans le revêtement. Comme le chalet Skýli sera construit dans les montagnes ou dans des environnements ayant des conditions météorologiques difficiles et froides, le choix de matériaux adaptés à des conditions météorologiques extrêmes est un autre facteur important. Ici, les produits en acier GreenCoat® satisfont aux exigences les plus strictes.

Ils offrent une durabilité et une résistance à la corrosion extrêmes, ainsi qu’une tenue durable des couleurs. Par ailleurs, ils fournissent aux prescripteurs de l’industrie de la construction un matériau considérablement plus léger que les autres solutions, et présentent une élongation thermique extrêmement faible, garantissant une apparence nette, sans flambage ou déformation, pendant de longues années.

Les prix WAF Awards bénéficient d’une reconnaissance exceptionnelle par les architectes du monde entier, et sont décernés chaque année à l’occasion de l’événement World Architecture Festival, un salon de trois jours destiné aux architectes et professionnels du design d’intérieur.

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Shaped by the Nordic landscape

Utopia Arkitekter AB en tant que Architectes.

Skýli is the name of a trekking cabin designed by Utopia Arkitekter. The original concept was developed to be easily transported to remote locations along some of the most famous trekking trails on Iceland. Skýli of course means shelter in Icelandic, but this charcteristic building is not only able to withstand the most harsh weather conditions, it is a thing of beauty in itself.

Our trekking cabin, Skýli, combines four sharply pointed pyramidal shapes into a very strong, durable, safe and stable structure that is both characteristic of, and highly visible in the landscape. The triangular gables resemble a classic tent, the most basic shelter used by trekkers worldwide. It is also the same shape frequently used in the roof structures of traditional Icelandic cabins or huts.

The outer shell of Skýli is made from steel, painted in a bright blue colour that gives the cabin a strong personality that is reminiscent of the colourful urban housing architecture of contemporary Reykjavik.

The large windows create transparency which opens the cabin to the spectacular scenery of Icelandic nature, so that when sheltered inside the landscape is always present.

Skýli will stand-out in the landscape, making it visible and easy to find, while at the same time creating a strong symbol for shelter and safety. The strong character of the architecture can easily be stylized into an icon or a logotype useable for every conceivable purpose.

Skýli has two entries to be placed facing north and south respectively so that one will always be better protected from the wind. The doors are placed in the inward slanted outer shell so that they will automatically close and stay closed.

The space between the outer and inner skin create two additional rooms, one to wring out and dry clothes and one to house a compost toilet (such as a Clivus Multum or Separett).

Skýli has four activity areas: two for rest and sleep, one for cooking, mending and communication, and one for eating and storing emergency supplies. Benches to sleep on fold out from the walls. The lowest benches in each area sleep two people and can also be used as sofas. If necessary the cabin sleeps a total of 15 people, but the additional bunk beds also functions as extra storage space.

Tables, cupboards and benches are custom made, designed to fit in flat packs for easy transport and assembly. Hooks to hang supplies and gear are placed along the walls. On the floor at the center of the cabin a compass is printed for basic orientation.

In an emergency situation trekkers will be able to rest, find food supplies as well as first aid and basic medical equipment. The cabin has a solar panel and a battery for limited energy storage. The energy generated will cover basic needs for lighting, charging of phones etc during periods with enough sunlight. In bad weather when the solar panel and battery is not sufficient, light, electricity and satellite communication devices can be charged by a hand crank generator.

Rainwater collected from the roof is filtered into self-draining containers in the outer shell and supplies the cabin with water that can be used for washing, and once purified, cooking and drinking.

Heating is generated by the people inhabiting the cabin. Small manually regulated vents will be installed throughout the 4 areas. The cooking facility is powered by LPG and the gas can also be used for heating when needed.

By using IoT devices the status of supplies and facilities can be checked remotely ensuring that deliveries and servicing only has to happen when necessary and when weather conditions are favourable.

When help is needed a red alert lamp mounted on the roof can be switched on with the help of a hand crank generator regulated from within the cabin.

The cabin will be mounted on a system of plinths laid out on the ground, and adjusted to create a level and stable foundation. With the plinth system we minimise the imprint of the construction on nature, and make it possible to erect the cabin virtually anywhere.

The construction combines an inner and outer shell, creating a sheltered space in between. The inner shell, furniture and fittings are made solely from CLT, cross laminated timber, chosen for its durability, insulating properties, cost efficiency and sustainability. The outer shell, mounted on a lightweight stud frame, is made from steel – a material proven to withstand the harsh and changeable Icelandic climate.

This material was chosen due to its durability and low thermal expansion ensuring a limited movement even with great variations in temperature between the summer and winter seasons. The steel is painted using a paint made from Swedish rapeseed oil that is highly resistant to corrosion, UV radiation as well as scratches.

The windows, 4 in each gable, are triangular shaped to maximise strength and durability. They are triple-glazed for insulation and come in two sizes for cost efficiency. Outer and inner shells, the stud framed walls as well as windows will be pre-fabricated, packed for efficient delivery by helicopter and designed for quick and easy assembly on site. We estimate the time for assembly to take 2-3 days.

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RoofingGreenCoat by SSAB
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