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SWISSPACER Air in a practical test

Post Time:Jul 19,2019Classify:Company NewsView:993

At glasstec, the Swiss manufacturer of warm-edge spacers, SWISSPACER, introduced a new product to the market: the SWISSPACER Air. This small component provides for pressure equalisation and counteracts climatic stresses in insulating glass with multiple panes. But the field trials have already been underway for some time: since 2016, the component is already in use at Glassolutions, the leading manufacturer of construction glass, a subsidiary of the globally active SAINT-GOBAIN Group.

Glassolutions has already carried out projects with SWISSPACER Air all over the Swiss Alps. For example, in the Haldigrat mountain lodge in Wolfenschiessen, where the new insulating glass has already been equipped with the SWISSPACER Air in the course of the building extension. With a climb rate of 59 meters per minute, the insulating glass was taken by chairlift to the location across a difference in altitude of 707 meters.
But the small component is also already being used in the chalet in Riederalp in the Swiss Canton of Valais: here, all the windows in the building were renovated and equipped with the SWISSPACER Air. Again, the glass had to be transported by mountain railway, with a difference in altitude of 1166 meters above sea level and a journey time of nine minutes, there was a climb rate of 130 m/min in altitude – no longer a problem with the SWISSPACER Air.

Both reference properties were also equipped with windows at the Waser joinery company, which isalso based in Wolfenschiessen.

“We really appreciate the openness our customers show to such projects. We are very grateful for the trust they have placed in us, which really gives us an incentive for future projects,” explained Valerian Wicky, Managing Director at Glassolutions Kreuzlingen.

As part of the Europe-wide network with over 200 production locations, the Glassolutions site in Kreuzlingen, Switzerland, is primarily known for its special solutions. That’s why SWISSPACER opted for a collaboration with the Swiss insulating glass manufacturer. “In the joint projects with Glassolutions with bundled know-how, quite a few technical challenges have already been overcome. In the DACH area (Germany, Austria and Switzerland), customers appreciate the company as a reliable, innovative operation. For us, it was therefore only a logical consequence that we carried out the first SWISSPACER Air pilot projects with this strong partner,” said Matthias Bach, Technical Director at SWISSPACER.

The solution for a long-term industry problem
Particularly when transporting insulating glass across areas with vast differences in altitude, for example through mountain passes, tunnels or during air freight, there is no pressure equalisation between a sealed piece of insulating glass and the outside atmosphere, resulting in considerable tension at the edges of the glass and inside the glass itself. This can cause damage to the sealant at the edge of the glass – or even breakage.

Wicky is also well aware of this problem: “When the SWISSPACER R&D department came to us with the SWISSPACER Air solution, we were all ears. It could be used to solve not only problems caused by differences in altitude, but also the climatic stresses at the edge of the glass. But as we are a very service-oriented company, it was the simple installation of the insulating glass in the window frame above all that convinced us.

“The window manufacturer can fit the insulating glass in the factory as usual and thus saves all additional expenses incurred during transport and installation on site – and that really benefits our customers in practice.”

Prior to this development of the SWISSPACER Air, Glassolutions worked either with pre-set pressure equalisation using an altimeter or open units. This always involved a great deal of logistical effort, as interim storage at a reseller of the windows posed the risk of glass breakage.

Wicky added,“When deadlines had to be pushed back on the building site, it turned out time and again that the insulating glass had cracked during the interim storage. Our clients were demanding a simple yet flexible solution that could react to weathering, transport options and building progress according to the situation at hand.

“Now, thanks to SWISSPACER Air, all this is no longer a problem. As soon as the corresponding building section is ready, the window manufacturer can install the units of glass directly in the factory and transport it to the property, for example in the mountains. Since then, our customers no longer have to worry about additional handling or double transportation of glass and frames.”

Source: glassonlineAuthor: shangyi

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