Tuval-Minimal Presents: Steel Frame Windows without having to compromise window performance

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Why do Steel-Windows have bad reputation

Aluminum framed windows are composed of finished profiles arriving already painted and ready to assemble at the project site. Steel-Windows, on the other hand, are crafted especially for the each specific opening, through the welding of steel profiles. After the manufacturing process, the complete window undergoes finishing processes including: polish, rust protection, painting,  and the adding of rubber sealing and accessories. The quality of manufacturing and installment have a critical influence on the final product’s value: the operational mechanisms, isolation and sealing characteristics, and the steel’s resilience against rust.

Unprofessional manufacturers, or manufacturers that chose to reduce production cost, have created a bad reputation for Steel-Windows, and false conceptions regarding the product’s characteristics. Contrary to common belief, Steel Frame Windows manufactured and assembled by professionals ensure state of the art performance and easy operation for many years to come.

The leading and most advanced system on the market

Our long time customers list a few advantages which have been maintained over the years: a “never old” appearance, smooth and simple operation, and never-go-bad mechanisms. Thanks to our cutting edge production methods, we can assure you’ll receive perfect sealing against wind, rain and noise, and excellent thermal isolation.

Thanks to our many years of experience, the emphasis we put on quality production and the assimilation of advanced technologies – we are committed to supplying you the best products. Here are the key advantages of Tuval’s Steel-Windows and Doors:

#1 Optimal Protection against rust using Zinc Metalizing process

Humidity, heat and proximity to the sea create tough climate conditions that may accelerate rusting processes. This is one of the main reasons why low-cost production has created a bad reputation for Steel Frame Windows.

Professional coating of the steel ensures full protection from rust, and enables sheer enjoyment of the product’s unique advantages.

In order to promise the perfect protection for years to come, Tuval applies a complex and expensive galvanization process called Thermal-Spray Zinc Metalizing. As opposed to popular and cheap electrostatic galvanizing, the hot zinc creates a thicker coating layer, which covers the entirety of the product’s surfaces, including corners and welding points.


#2 Slim and Minimalistic Appearance due to the Steel’s Substantial Strength

The minimalistic profile and elegant look are probably the most familiar characteristics of Steel-Windows. Thanks to the steel profile’s strength, producing slim and narrow frames has become much easier.

Steel Frame Profiles are 3 times stronger than aluminum profiles. The natural and easy choice for slim frames has to be Steel Framing, allowing more of the outside to “enter” the indoors.


#3 Thermal Broken Profiles and the Common Misconception

Opposed to what people tend to think, Steel Frame Windows can offer very good thermal isolation, thanks to new Steel Profiles with Thermal Breaks. Steel-Windows with high isolation performance can be constructed using glasses with advanced isolation attributes, such as Insulating glass with LOW-E coating, and significant air space. Combining Thermally Broken Profiles, Steel-Windows & Doors U-Factor can even comply with California’s “Title 24” challenging requirements.

Tuval manufactures all of its windows and doors with double rubber sealing. This mechanism, along with the proper planning and awareness to the smallest details, ensure the perfect sealing against wind and water. Moreover, the isolation obtained is significantly better compared to sliding systems, commonly used in aluminum framed windows, which don’t hermetically seal the opening.


#4 Design and Operational flexibility

Steel Windows are designed and manufactured specifically and in accordance with the architect and interior designer’s demands and requirements. That way, they are able to achieve the precise product match, both technically and appearance-wise, leading to the perfect solution. Flexible design enables Steel Windows to match different styles: a rural and more countryside design can be complemented by windows with many divisions, a modern house can be matched with large vitrines and especially thin frames. Thanks to these dynamic attributes, different accessories can be added like locks and handles, complementing the desirable design.Regular Steel windows concept limits opening using hinges. Tuval Minimal has developed minimalistic Steel-Doors System that enables opening through sliding. That way, Sliders can be combined with classic Steel-Windows portfolio (Casement windows or French-doors) without harming the unique steel-look and minimalistic appearance. Opening through Sliders enables, among other things, the installation of External shading systems and screens for the large vitrines.
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#5 Durability and Product life

Steel serves as one of the strongest construction materials. Even to this day, classical buildings and structures can be spotted in Europe, constructed hundreds of years ago, with Steel Windows looking sharp and functioning just like on day 1.
Steel-Windows manufactured using advanced techniques, such as Zinc metalizing, professional painting and using the best fittings & accessories available – ensure a fine result with lifelong functionality. In order to maintain the large vitrine’s sturdiness, Tuval uses a fortified Steel Frame Profile – the W-500FR (W-600). This profile’s appearance is similar to that of the common W-5000 profile, but is necessarily thicker, maintaining the minimalistic look and promising many years of durability and sharpness.


Steel Windows Institute: “Architect’s guide to Steel Windows and Doors”. See: www.steelwindows.com

About Zinc Metalizing using Thermal Spray technique: https://thermalsprayzinc.zinc.org/about-thermal-spray/

Thermal conductivity of Metals: www.engineeringtoolbox.com

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