Case Study:
Westhafen Tower
Frankfurt am Main, Germany
City:  
Country:  
Product:  
 
 
 
 
 
 
 
Architect:  
 
Glass Processor /
IG-Manufacturer:
 
Façade supplier:  
 
The Project
architect required the units to fit flush
• This stunning building on the banks of
with the frame in order to achieve their
the River Main provides the City with
vision for the finished building.
prime office space behind a transparent, • The architectural team specified
green shimmering edifice.
Dow Corning 993 for bonding the
• It connects the buildings in the Westhafen
glass to the aluminium frames.
complex to Scheiecherstrasse and
Dow Corning 993 is a two-part, neutral
has been designed to represent a
curing silicone sealant specifically
huge loggia with view across to
developed to structurally bond glass
Friedensbruecke.
and metal to other construction
• The building was one of the first in the
materials. It meets the requirements
new Westhafen zone of the city to be
according to ETAG002 and owns a
completed. The whole development
European Technical Approval (ETA)
includes a state-of-the-art yacht
01/0005.
harbour as well as housing projects • The building’s insulating glass
to be built on the peninsula of the old
units have their edge seals fully
harbour.
exposed to the weather, making
• The transparent, green shimmering
Dow Corning 3362 the perfect choice.
office building with the extraordinary
A two component neutral curing
parallelogram shaped outer design has
silicone sealant specially designed
created a new, immense landmark on
for high performance insulated
the Frankfurt skyline.
glazing units, when correctly used
Dow Corning 3362 exceeds BS and
The Challenge
DIN performance specifications
• The building’s spectacular façade
and fulfils the requirements for use
consists of thousands of unusual
as a secondary glazing sealant as laid
triangular green glass panel sections
down in the EN1279 as wells as for
which can be electrically opened
argon gas filling. It also meets the
to permit natural ventilation of the
requirements according to pr EN13022
building.
and ETAG 0002 and owns an official
• The building’s remit is to be as green
European Technical Approval (ETA
and energy efficient as possible.
03/0003). It is extremely stable even
under even extreme environmental
The Solution
conditions making it perfect for
• The unusual and striking structurally
this project where the edge seals are
glazed units posed a particularly
exposed.
interesting challenge for the • Dow Corning 797 (now known as
Dow Corning technical team since the
Dow Corning 791) was selected for
Frankfurt
Germany
Dow Corning® 993
Structural Glazing Sealant,
Dow Corning® 3362
Insulated Glass Sealant,
Dow Corning® 797 
Silicone Weatherproofi ng 
Sealant (now known as 
Dow Corning® 791)
Schneider & Schumacher
Frankfurt - Germany
Glas Dreisbusch /
Aschaffenburg (Germany)
Josef Gartner GmbH / 
Gundelfi ngen - Germany
The Project:
● This extraordinary parallelogram shaped
●
●
●
●
building’s transparent, green shimmering
edifice consists of thousands of unusual
triangular green glass panel sections.
These units can be electrically opened to
permit natural ventilation of the building –
part of the building’s green credentials.
The architectural team specified
Dow Corning 993 for bonding the glass to
the aluminium frames.
The building’s IG units have their edge
seals fully exposed to the weather, making
Dow Corning 3362 the perfect choice.
Dow Corning 797 (now known as
Dow Corning 791) was selected for the
building’s movement joints thanks to its
high movement capability (+/- 50%).
the building’s movement joints thanks
to its high movement capability
(+/- 50%). It is ideally suited for
expansion, connection, perimeter
and all other types of movement
joints and is compatible with all
Dow Corning structural sealants. It
demonstrates excellent weatherability
being UV stable and maintaining high
performance across a wide temperature
range, making it an extremely versatile
sealant that can be used on a wide
variety of substrates.
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Moscow 109147, Russia
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Rheingaustraße, 34
D-65201 Wiesbaden, Germany
Tel: +49 611 23 71
Fax: +49 611 237 601
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Dow Corning Polska Sp.z o.o
ul. Krolewska 27
00-060 Warszawa, Poland
AETS Phone: +48 22 717 07 52
Sales Phone: + 48 22 641 92 23
Fax : + 48 22 717 07 51
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From Belgium
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0800 80 522
0805 54 04 39
0800 52 50 258
800 92 83 30
900 813161
0800 91 72 071
For English
For French
For German
For Italian
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For Russian
+32 64 51 11 59
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+32 64 51 11 73
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GREATER GULF COUNTRIES
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Meral Building
Office Numbers 61,62 & 63
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Office Fax +973 17 582052
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