Commerzbank, Frankfurt am Main, Germany, Europe

Case Study:
Commerzbank
Frankfurt am Main, Germany
City:
Country:
Product:
Architect:
Curtain Walling
Company:
Frankfurt
Germany
Dow Corning® 795
Silicone Sealant
Sir Norman Foster (UK)
Metallbau Wenker –
Gronau
The Project:
● Currently the tallest building in Europe at
nearly 300 metres tall this is said to be the
world‘s first ‘ecological high-rise’
● Interior wall glazing with invisible
structural glazing fixation, fitted flush to
the frames, concealing most of the buildings
m&e services
● The units have to be easily demountable to
allow access to m&e plant
● The glazing systems with the glass sitting
flush in the frames was realised using
Dow Corning 795 for bonding the glass to
the aluminium frames.
The Project
The Challenge
• One of the landmarks of the high-rise centre
of Frankfurt, the Commerzbank Tower is
currently the tallest building in Europe. The
striking exterior with its curving corner is
topped by a mast which brings the building
to nearly 300 metres tall.
• A triangular atrium rises through the
entire building from the ground floor,
divided by glass partitions. The atrium
opens to the exterior wall at different
levels, forming 9 large gardens.
• Said to be the world‘s first ‘ecological
high-rise’, the building, offices are
primarily naturally ventilated with topup cooling and mechanical ventilation
available.
• The building uses no traditional air
conditioning - at least for 60% of the
year - in favour of natural ventilation,
cutting fuel consumption and ensuring
the building‘s green credentials.
• To achieve interior wall glazing with
invisible structural glazing fixation,
fitted flush to the frames.
• Since this interior glazing was designed
to conceal most of the buildings m&e
services the units needed to be easily
a quickly demountable to allow
installation, maintenance and repair of
the pipework and wiring behind.
The Solution
• The glazing systems with the glass
sitting flush in the frames was realised
using Dow Corning 795 for bonding
the glass to the aluminium frames.
Dow Corning 795 Silicone Building
Sealant is a one-part, non-sagging
silicone material that cures to a
medium modulus silicone rubber upon
exposure to atmospheric moisture.
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