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All articles of topic U-value

© US Department of State
New perspective on American windows

The US window market as seen by a German traveller

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In October 2023, our guest author Markus Brunner embarked on a trip through the US. What had been planned as a private holiday, nevertheless brought out the window nerd in him. Read exclusively on GW-News and from his own perspective what Markus discovered.

© Velux
Velux

Save even more energy and costs with this new triple glazing

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With the "Energy" variant, Velux will be offering another triple glazing option in its glass range from April 2024. According to the manufacturer, this provides a low-cost entry into high energy efficiency with very good thermal insulation values. With a UW value of 1.0 W/(m²K), it also fulfils the requirements for state subsidies. Here are the details.

© Fineo
Fineo

Replace old IGU with vacuum glass = less heating!

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Technically outdated window panes cause high heating costs. Often, old IG units can be exchanged for modern vacuum glass with relatively little effort. An interesting business model for glaziers and window manufacturers. Here you can find out which vacuum glasses make this possible.

© AGC Glass Europe
AGC

New "Stopray" coatings for summer thermal insulation

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Climate change is leading to more frequent hot spells today, while at the same time demands for daylight transmission are increasing. In response, AGC Glass Europe has expanded its solar control glass range to include three new "Stopray" coatings that are highly selective, colour neutral and low reflective.

© Olaf Becker
sedak

Glass facade elements with an amazing U-value

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The opaque facade glass sedak gsp intelligently combines glass and insulation and is also an individually adaptable standard solution with which glass facades can be implemented economically and energy-efficiently, with a U-value of up to 0.13 W/(m²K).

© vandaglas GmbH
The Vandaglas Group acquires Glassolutions  Switzerland

Vandaglas goes Switzerland

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Saint-Gobain has signed an agreement to sell its Swiss glass processing business to the German group Aequita. The glass processors of Glassolutions Kreuzlingen in Switzerland will then become part of the Vandaglas Group, the glass division of Aequita.

© AGC Glass Europe
Glass versus fire

AGC Pyrobel: Insulating glass that is fire resistant up to 60 minutes

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In the event of a fire in a house, standard insulating glass breaks relatively quickly and there is a risk of the flames spreading to adjacent parts of the building or other storeys. This can be prevented with the fire protection insulating glass "Pyrobel 16 IGU" from AGC Glass Europe, which is certified for a period of 60 minutes. Here are the details.

© Cemal Emden
Şişecam:

Winner of the Facade Material of the Year Award

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Şişecam, Europe's largest manufacturer of flat glass, offers diverse solutions for all market requirements with its innovative and high-performance products. For the low-E glass called Şişecam Temperable Solar Control Neutral 70/37, the manufacturer has now been awarded the Facade Material of the Year Award. Here are the details.

© Sicurtec
Sicurtec_Slim:

The thinnest security glass in the world

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While Sicurtec high-security glass with polycarbonate was already up to 50 % thinner and lighter than conventional "bulletproof glass", the manufacturer has now developed and had certified an even lighter version. Here are the details and a video to show the strength.

© Vowisol Wintergärten
Glass knowledge:

What insulating glass is suitable for conservatories?

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Conservatories expand the living space, allow the "summer season" to be extended and act as an energy-saving climate buffer that is placed in front of the house. If you plan well, you will have to heat less:

© Edgetech
Edgetech Super Spacer:

Warm edge for wooden building in Vienna

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The HoHo Vienna is not only one of the tallest wooden constructions in the world. The LEED Gold-certified building features 6,000 square metres of insulating glass incorporating Edgetech’s Super Spacer warm edge spacer system. Read on for more details:

© electriceye/Adobe Stock
Glossary

U-Value

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The U-value assesses the rate of heat loss or gain through all the layers of the combined elements that make up a building component such as a wall, floor or roof.

© Einar_Aslaksen / Okalux
Deichman Bjørvika Library, Oslo

Okalux: Norwegian Light Show

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The new Deichman Bjørvika Library in Oslo: A building that is the result of an approach that combines innovative thinking and energy-efficient architecture. With skylights from Okalux playing a pivotal role:

© Daniel Mund / GLASWELT
Wooden windows:

Windows in integral construction: Slim profiles, more daylight

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The production of slim profiles for more daylight also poses challenges for machine manufacturers and suppliers. Homag offer a completely new window concept: