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All articles of topic window frame

Gealan presented its new windowfit product range for the first time at BAU 2025 in Munich.
BAU 2025

Gealan-windowfit: More than 300 solutions for every building requirement

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The new Gealan-windowfit product range provides tested connection profiles with outstanding thermal insulation properties and maximum moisture protection. Window manufacturers benefit from a comprehensive range from Meesenburg that makes planning and processing extremely easy.

Henry Flade, of Walter Fenster und Türen; Matthias Koch, research assistant at the Institute for Materials Technology at the University of Kassel; Martin Schottek, consultant for climate-neutral buildings at Vonovia, (left to right), presenting the installed prototype of the new solar window.
Solar window

New technology transforms windows into a source of solar power

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New window technology enables solar power to be generated directly from insulating glass. A prototype has now been installed and tested by Walter Fenster in Kassel in Germany.

New perspective on American windows

What do Americans think about windows Made in Germany?

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On his trip through the eastern and southern United States, our guest author Markus Brunner had the chance to talk to both window specialists and other people he met. Find out here why many thought Made in Germany was awesome and what that can mean for German window manufacturers and wholesalers.

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.

With Schüco Carbon Control, the complex topic of decarbonisation and the extensive Schüco range can be precisely coordinated.
Decarbonisation

Schüco Carbon Control – What is it all about?

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With Carbon Control, Schüco offers a modular range with which the decarbonisation of windows, doors and facades can be controlled on a project-specific basis. One specific value is becoming increasingly important: the Global Warming Potential (GWP).

RIP, Karl Lenhardt
In memoriam Karl Lenhardt

Karl Lenhardt passes away at the age of 82 years

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Karl Lenhardt, Managing Director of Glaston Germany GmbH, passed away recently. He will be remembered as one of the pioneers of insulating glass production.

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.

Sales campaign for windows

Tennis legend Boris Becker to advertise Fensterversand.com on German TV

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Coming soon on German TV: Boris Becker recommends "Don't throw your money out the window". With this, he draws attention to new windows that save a lot of money through high energy efficiency. Behind the advertising deal is the online platform fensterversand.com or Neuffer Fenster, which also wants to score points in the offline world.

Window bonding reduces thermal bridges and thus also heating costs and environmental pollution.
Direct glazing:

H.B. Fuller | Kömmerling and profine jointly promote direct glazing

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Direct glazing, gluing the insulating glass unit into the window frame, offers many advantages for window manufacturers and their customers. The manufacturer of adhesives and sealants H.B. Fuller | Kömmerling is cooperating with system provider profine GmbH to promote precisely this technology. What do window manufacturers get out of the cooperation?

Chain drives automate free window ventilation, making it particularly effective. Sensors - for example to determine the CO2 content in the air - constantly measure the indoor air quality and ensure that windows open and close automatically and quietly when required.
Smart ventilation:

Automated windows for fresh air in indoor spaces

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Providing indoor spaces with sufficient fresh, germ-free air is currently a key issue. Independent institutes and research communities confirm the importance of providing fresh air indoors as an effective means of combating Covid-19 aerosol transmission and increasing well-being.

Two coats over the entire surface of the sealing tape and the inside and outside corners are enough for a secure and waterproof seal. The total dry film thickness must not be below 2 mm.
Remmers:

Safe and easy waterproofing in just a few steps

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Remmers offers a solution for safe and easy waterproofing of windows. The MB 2K Window Kit comes as all necessary components:

A two-stage window installation with installation frame offers many advantages.
Window frame:

12 ways that two-stage window installation is better

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Two-stage installation means driving to the construction site twice. At first, this sounds like extra work, but it's not - on the contrary. Here in this article, you will learn 12 advantages for the two-stage installation process with an efficient pre-frame.

Convenient, secure and functional: thanks to a new fittings system, Schüco aluminium windows now offer burglary resistance even when tilted - up to resistance class RC 2, as recommended by the police.
Schüco:

Burglary resistant window up to RC 2 even if tilted

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The new Schüco AvanTec SimplySmart OpenSecure hardware extension for aluminium window systems with tilt-before-turn operation enables ift-tested burglary resistance RC 2 in the tilt position. Find out here if it can also be retrofitted.

Top stories of the week

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A renovated float line in Russia, an introduction to switchable glass, collaborative robots that help to cut delivery times and the ins and outs of burglary-resistant windows. Here are the top stories of the week:

Only as strong as its weakest link: For a secure glass connection in windows, all components of the security chain must be coordinated with each other in order to achieve a burglary-resistant effect.
Burglary-resistant windows:

Key points about the connection of frame and glass in security windows

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If a glazing system is not considered as a whole, serious weaknesses can occur. Every single constructive detail of a burglary-resistant glazing system plays an important role and can result in or prevent a break-in. Here you will learn which key points to consider.

Glossary

Wooden windows

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Manufactured and constructed according to the current state of the art, wooden windows are very durable building elements with very good structural-physical properties and excellent conditions for thermal insulation.

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.

The evoCore+ as part of Salamander’s greenEvolution window system. With the foam core included, such windows comply with passive house standards.
Salamander Window & Door Systems:

Salamander relies on high-tech core in plastic profiles

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With evoCore+, the heavy steel reinforcement in the window frame is replaced by a highly insulating and stable foam core. This consists of a disposable product from aircraft and wind turbine construction.