Pilkington

Pilkington structural glazing features at Norwegian summer retreat

  • 5 Jan 2022

Everyone loves a room with a view, and they don’t come much more striking than an uninterrupted vista of a fjord, as Pilkington explains…

When the owner of Summer House was discussing designs for the building with their architect, maximising sight lines to make the most of its stunning setting was top of the list of priorities.

That’s what led the designer to specify a wall of Pilkington Planar™ structural glass along the outward-facing side of the property’s main living space.

Pilkington

Per Oscar Haaland, architect, comments: “The view is what makes the house, so one of the biggest requirements for the design was to maximise the occupants’ ability to enjoy it, all year round.

“However, the site is very exposed to the weather. It experiences very high wind speeds and low temperatures, so while we wanted to create the largest possible area of glazing, obviously it was also vital that it would also be very strong and deliver high levels of thermal insulation.

“We identified the Pilkington UK product as the best solution thanks to its ability to create an almost completely unbroken glass surface, its proven structural strength and resilience to weather, and its energy performance.”

Pilkington

The wedge-shaped window is more than 10 metres wide and almost five metres high at its tallest point, creating a panoramic scene of sea and sky.

And, to maximise the vertical aspect of the view – as well as the amount of natural light entering the building – the window is topped by a 90cm-deep section of roof glazing.

Maximising transparency and strength

The frameless glazing is lent additional strength by a series of 19-mm-thick toughened glass fins that run the whole height of the window. These allow the toughened vertical glass to stand up to significant wind loads while also supporting the roof glazing, which is able to resist large snow loads as a result.

The units that make up the roof glazing also feature a laminated pane to lend further strength, being made up of an outer 12mm layer of toughened glass and an inner layer formed of two 6mm-thick sheets sandwiching a polyvinylbutyral (PVB) interlayer.

The whole system is bolted together with low-profile Pilkington Planar™ stainless steel fittings.

Climate control

In order to deliver excellent thermal insulation, the whole window is made up of double-glazed units featuring a 16mm wide air cavity.

As well as helping the building stay warm in cold weather, the glass also helps to prevent it from over-heating on hot, sunny days by including a solar control coating. The outer glass is Pilkington Suncool™ 66/33, which allows just 33% of the heat energy from sunlight to enter the building, reducing the possibility of excessive heat build-up while still filling the space with natural light and allowing clear views.

Rob Seal, design engineer at Pilkington United Kingdom Limited, part of the NSG Group, comments: “Thanks to the glazing included in this building, the occupants are able to sit in year-round comfort, despite being surrounded by such a wild and rugged landscape.

“We’re used to seeing Pilkington Planar™ in large commercial developments and sensitive heritage settings, so it’s great to see it being used so effectively in a small-scale residential application.

“It is also a great demonstration of the suitability of the system for use in the most weather-exposed applications. The system has been developed with the harshest conditions in mind to ensure it is able to stand up to all of the forces nature will throw at it throughout its life.”

Contact:

Pilkington United Kingdom Limited,
Greengate Works,
Sherdley Road,
St. Helens,
Merseyside,
United Kingdom,
WA9 5 DZ

Phone: 01744 692000
Fax: 01744 692569

Visit Pilkington Building Products' website

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