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Ind
ustry
Sika Facade Systems
Sealing and Bonding in Facades A Specification Guide
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Projects on this page:
1 Peek & Cloppenburg Store,Cologne, Germany
2 30 St.Mary Axe,London,UK
3 Zhang J iang Hi-Tec Park,Shanghai,China4 New Exhibition Center Milan, Italy
5 University of Chicago,USA
6 J iangsu TelecomBuilding, Nanjing, China
7 Crystal Tower,Manama,Bahrain
8 Russia Federation Tower,Moscow,Russia
9 One Marina Boulevard (NTUC Building), Singapore
Front page:
Drugstore Publicis,Paris, France
Sikas Sealing and Bonding Solutions for Facades in every Climate
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Thermal Insulation included
The facades are mainly responsible for the ener-
gy balance of a building. The excellent thermal
insulating effect of bonded double or triple
glazed units with coated glass can save much of
the energy otherwise consumed for heating or
cooling.The air trapped between the bonded
panes is a poor heat conductor and therefore
forms a good insulating layer between the out-
door and indoor air.
The insulating glazing edge seals are predomi-
nantly made of bent aluminium or stainless steel
spacers filled with a desiccant,thermoplastic
polyisobutylene (PIB) as a primary seal and in-
stallation aid, and an elastic sealant as a sec-
ondary edge seal.Only high-modulus silicone is
approved as a secondary seal in structural glaz-
ing facades.Sikasil IG silicone sealants
were specifically developed to meet require-
ments of insulating glazing and feature special
advantages:
UV and weathering resistance
Durability
Material compatibility
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Sikasil WS-355
Components one-part
Curing system neutral
Skin forming time(23C/50% rel.humidity) [min] ~20
Permanently elastic range [C] 40 to +150
Shore A hardness1 ~20
Tensile strength2 [N/mm2] ~0.47
Modulus at 100%elongation2 [N/mm2] ~0.28
Natural Stone Sealing perfect even in sensitive Areas
Sealants suitable for naturalStones
Natural stones such as granite,marble and
sandstone are highly sensitive materials
when used on facades.Where an inappro-
priate sealant is used, there may be stain-
ing of the joint edges or streaking,which
greatly impairs the optical appearance of
the facade.Sika therefore recommends
special system-compatibleSikasil WS
silicone sealants ideally suited for use with
extremely sensitive natural stone ele-
ments,or connecting metal facades and
curtain walls to natural stone elements.
They contain no volatile compounds that
could migrate into the pores of the natural
stone.We therefore describe them as non-
staining.These non-staining silicone
sealants are also recommended for glass
facades in order to reduce streaking on
glass panes and metal panels and to mini-
mize the need to clean the facade.
Important
Since all natural stones are verysensitive materials, a on-staining
test should be carried out at one
of our Facade Competence Centres
before any natural stone sealing
operation.This is an essential pre-
condition for non-staining warranty.
1) ISO 868,2) ISO 8339-A.These figures are intended as a guide and should not beused in preparing specifications. For technical information about the products, please
ask for the latest respective data sheets.
Gansu Province Finance Bureau,Lanzhou, China
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Sika Facade Systems
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S&W04.07/07SIB16.5/S
ikaServicesAG,Switzerland
Customer ServiceSika Engineering Silicones Srl.
Via L. Einaudi,6
I-20068 PeschieraBorromeo(MI)
Phone +39 02 516591205
Fax +39 02 516591298
www.sika.com
Our most current General Sales Conditions shall apply. Please
consult the Product Data Sheet prior to any use and processing.
Sika Facade Systems
Sealing and Bonding in Facades A Specification Guide
Technical Service
Sika Services AG
Facade Competence Centre
Tffenwies 16
CH-8048 Zrich
Phone +41 56 648 5287
Fax +41 56 648 5407
Sika is a globally active company in the
speciality and construction chemicals
business. It has subsidiary manufacturing,
sales and technical support facilities in
over 70 countries around the world.
Sika is THE global market and technology
leader in waterproofing,sealing,bonding,
dampening,strengthening and protection
of buildings and civil engineering structures.
Sika has more than 11000 employees
worldwide and is therefore ideally positioned
to support the success of its customers.
Sika Your Local Partner with a Global Presence
Facades by (Project No):Josef Gartner GmbH (3, 5,13, 14, 18, 21, 27); Schmidlin AG(1,2,17, 22, 23); Yuanda (6, 8,19); Cuhadaroglu (11,20, 26);
Mero (4,25); Alico (7); Compact Metal (9); Inasus (12); Vitro Cristalglass (16);Photos by: Gardin & Mazzoli (14,18); Daniele Domenicali (Front, 3);
Guy Nowell (13); Beyond Architecture Cultural Development Co Ltd, Mr.Zhou Li (21); Schmidlin AG(1,2,17,22, 23);