Façades are often the business card of a building. The lobby gives a first message of prestige to its visitors when entering the building.
Therefore, it is no surprise that architects and designers accurately
select and define materials for these areas. More and more of them turn
to stainless steel for their curtain wall projects.To get more news
about
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Montanstahl brings over 30 years of industry experience and excellence in the production and supply of high-quality special shapes
in steel and stainless steel. Our laser welded curtain wall sections
differ considerably from conventional fillet-welded sections.
The laser weld seam is small, neat and barely noticeable. Montanstahl usually manufactures its laser profiles by welding together high
precision laser-cut flat bars and occasionally the stainless steel
profiles are build up using press brake sections, hot rolled or extruded
special shapes.In a steel-glass curtain wall, the mullions and transoms
must grant sufficient strength to support the load of the façade. The
weight of the glass panels and the resistance against the wind load
assure this. The more glass and less mullions contrators use, the more
majestic and transparent the façade will result.
Extruded aluminum profiles are the most common material for curtain walls. However, they are not strong enough for such high span facades.
Here the preferred choice clearly becomes mild steel, thanks to its
three times higher e-modulus and for more prestigious applications
stainless steel.Montanstahl laser welded curtain wall sections are
custom-made. Structural engineers can specify the width, height as well
as the web and flange thicknesses according to the static requirements.
They also calibrate the weld penetration precisely, according to the structural load requirements of the curtain wall and minimizing
distortion and stress.
It is also possible to combine different material grades, so called black and white combinations, where some parts are in mild steel and
other parts in stainless steel. This all results in a wide matrix of
solutions that givetotal design freedom to architects and engineers.
Another plus is the sharp contour of the shape that generates a precise cut between light and shadow. Architects appreciate this very
much.The majority of curtain wall mullions and transoms are designed
with a sideline of 50 or 60 millimeters. The depth, or height of the
sections, results from the structural requirements of the façade. The
taller the façade the greater the depth of the section and/or steel
masses used in the flanges.
The most popular mullion and transom designs used in steel-glass curtain walls are rectangular hollow sections (RHS) and stainless steel
tees.
