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Sika Industry Magazine INTERNATIONAL NEWS FOR CUSTOMERS AND BUSINESS ASSOCIATES BONDING - SEALING - DAMPING - REINFORCING Content No. 13 October 2012 The Shard, London Shard London Bridge Shard London Bridge, also known as “The Shard”, is THE skyscraper landmark in London. The building above the London Bridge Station, designed by the Italian architect Renzo Piano, is the tallest building in the European Union and with its 310 meters, no. 45 in the world. It comprises 72 habitable floors and 15 heating floors in the roof. Service, quality and a proper supply chain played a very big role throughout this project. According to the architect’s specification, fidelity to one-color silicone adhesive and sealant (grey S6) throughout the solution is provided. SikaForce ® -7720 L45 (white colored) was used for bonding the white aluminum frame together. The Sika solution encompasses four-sided structural bonding without any mechanical retaining system The building, which will offer more than 50,000 m 2 office space, has been designed with an irregular triangular shape from the base to the top, and is clad entirely with a four-sided bonded glass curtain wall, supplied by Scheldebouw from Middelburg, the Netherlands. The panels are bonded and sealed with Sikasil ® SG-500, Sikasil ® IG-25 HM and Sikasil ® WS-605 S respectively. Sikasil ® SG-500 is a high-quality two-component silicone adhesive for constructional bonded joints and Sikasil ® WS-605 S is a high quality sealant that is resistant to UV and weather influences. Thus, the products are highly suitable for the bonding and sealing of facades. Sika Services AG has thoroughly tested all Sikasil ® products for adhesion to various substrates and compatibility with all accessories. Sika Nederland B.V. provided onsite support and audited Scheldebouw production several times. The facade of the Shard was completed on schedule before the start of the Olympic Games in London 2012. P. 4-5 Sustainability in the Marketfield Automotive OEM P. 6 Transportation Days 2012 P. 7 - InnoTrans Trade Fair - 64 th IAA Transportation Show P. 8 Automechanika 2012 P. 9-10 Structural Window Bonding P. 11-12 - New World Innovation - New PV Potting Agent Published by Sika Services AG, Tueffenwies 16, 8048 Zurich Switzerland

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Page 1: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Sika Industry MagazineINTERNATIONAL NEWS FOR CUSTOMERS AND BUSINESS ASSOCIATES

BONDING - SEALING - DAMPING - REINFORCING

Content

No. 13 October 2012

The Shard, LondonShard London Bridge

Shard London Bridge, also known as “The Shard”, is THE skyscraper landmark in London. The building above the London Bridge Station, designed by the Italian architect Renzo Piano, is the tallest building in the European Union and with its 310 meters, no. 45 in the world. It comprises 72 habitable floors and 15 heating floors in the roof.

Service, quality and a proper supply chain played a very big role throughout this project. According to the architect’s specification, fidelity to one-color silicone adhesive and sealant (grey S6) throughout the solution is provided. SikaForce®-7720 L45 (white colored) was used for bonding the white aluminum frame together.

The Sika solution encompasses four-sided structural bonding without any mechanical retaining systemThe building, which will offer more than 50,000 m2 office space, has been designed with an irregular triangular shape from the base to the top, and is clad entirely with a four-sided bonded glass curtain wall, supplied by Scheldebouw from Middelburg, the Netherlands.The panels are bonded and sealed with Sikasil® SG-500, Sikasil® IG-25 HM and Sikasil® WS-605 S respectively. Sikasil® SG-500 is a high-quality two-component silicone adhesive for constructional bonded joints and Sikasil® WS-605 S is a high quality sealant that is resistant to UV and weather influences. Thus, the products are highly suitable for the bonding and sealing of facades.

Sika Services AG has thoroughly tested all Sikasil® products for adhesion to various substrates and compatibility with all accessories. Sika Nederland B.V. provided onsite support and audited Scheldebouw production several times.

The facade of the Shard was completed on schedule before the start of the Olympic Games in London 2012.

P. 4-5 Sustainability in the Marketfield Automotive OEM

P. 6 Transportation Days 2012

P. 7 - InnoTrans Trade Fair - 64th IAA Transportation Show

P. 8 Automechanika 2012

P. 9-10 Structural Window Bonding

P. 11-12 - New World Innovation - New PV Potting Agent

Published by Sika Services AG, Tueffenwies 16, 8048 Zurich Switzerland

Page 2: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Page 2 Sika Industry Magazine Sika Group News

Sika Group News

September 3, 2012, Leaner management structuresSika to introduce leaner and more efficient Group management structures Effective January 1, 2013 Sika is introducing a leaner and more efficient Group management structure. Group Management will be stream-lined from 14 members to nine. The geographi-cal concentration on four regions with extensive responsibility will enable integrated manage-ment from production through to the customer. The traditional flat management structures will remain in place.

New Organizational StructureThe current six geographical regions will be reduced to four. The newly formed regions will manage linked economic areas and supply chain structures from a single source. In Europe, the new Region EMEA is to be created covering the current Regions Europe North and Europe South as well as the Middle East and Africa. Reflecting the economic area it is situated in, India will be reallocated to the Region Asia/Pacific.There will no longer be a separate Region IMEA as is currently the case. Because of their differing market structures, North America and Latin America will continue as independent regions.As in the past, profit and loss responsibility will rest with the regions. The tasks of Corporate Operations will be integrated into the regions, strengthening the local and regional focus of the respective supply chains. This will ensure uniform and efficient management of the markets and production locations.Marketing will be realigned in accordance with Sika’s seven strategic target markets, replacing the previous four customer groups. The target markets are Concrete, Waterproofing, Roofing, Flooring, Sealing & Bonding, Refurbishment and Industry. Geared to the markets, this breakdown will allow us to further strengthen our customer orientation and enable an optimized technical market service and focused research and development work.With the new organization Sika is paving the way for the attainment of its strategic goals. Sika CEO Jan Jenisch stresses: “The new organization

pursues our strategy of focusing on seven target markets. The geographical concentration on four regions will enable us to deliver integrated management from production through to the customer. Overall, the new organization will make us significantly more efficient and even more focused on the needs of our customers. The traditional flat management structures will remain in place.Sika’s Group Management is to be streamlined to the following nine members: Jan Jenisch (CEO), Christoph Ganz (Region North America), Heinz Gisel (Region Asia/Pacific), Paul Schuler (Region EMEA), José Luis Vázquez (Region Latin America), Silvio Ponti (Building Systems & Industry), Ernesto Schümperli (Concrete and Waterproofing), Urs Mäder (Technology), Ronald Trächsel (Finance).The new organization will be implemented step by step over the coming months and will apply from January 1, 2013.

July 26, 2012Sika Half-Year Report 2012On Track for Profitable Growth - Rise in Gross Margin- Sales growth of 3.4% on CHF 2,307.0 million

(6.4% in local currencies)

- 10.7% growth in emerging markets in local currencies

- Gross margin of 53.1% (first half of 2011: 51.9%)

- Sharp 10.1% rise in EBIT to CHF 195.5 million

In the first half of 2012, Sika increased sales by 6.4% in local currencies. In Swiss franc terms, after adjusting for exchange rate changes of -3.0%, sales increased by 3.4% year-on-year to CHF 2,307.0 million. Sika also further improved its gross result, which now stands at 53.1%.

6.4% increase in sales in local currenciesSika’s strong global presence and its successful growth strategy in the emerging markets are enabling the company to compensate for the current weakness in Europe and China through sustained growth in the Americas and large parts of Asia. In local currencies, Sika recorded a 6.4% increase in sales in the first half of the current business year. In Swiss franc terms, the company lifted its sales by 3.4% year-on-year to CHF 2,307.0 million.

Page 3: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Page 3 Sika Industry Magazine Sika Group News

Gross margin of 53.1% (first half of 2011: 51.9%)Thanks to steady efforts in the first half of the year, Sika succeeded in passing on to the market increases in the cost of raw materials. This widened the gross result in percentage of net sales from 49.4% in the second half of 2011 to 53.1%. After factoring in additional acquisition-related costs, Sika posted an operating profit of CHF 195.5 million, corresponding to an increase of 10.1% (first half of 2011: CHF 177.6 million). As a result, the EBIT margin improved to 8.5% (first half of 2011: 8.0%). Sika increased its profit to CHF 126.1 million (first half of 2011: CHF 113.6 million), which represents an improvement of 11.0%.

Growth in the RegionsIn the first half of the year, Sika posted double-digit growth in both North and South America. The Region North America grew by 13.9% on the back of solid project business and buoyant renovation activities, while the Region Latin America lifted sales by 16.6% thanks to gains in market share and expansion of production capacity.With growth of 10.1%, the Region IMEA (India, Middle East, Africa) is back in the double-digit growth range. In the Region Asia/Pacific, Sika grew by 2.1%. The lower growth is due to the negative trend in China, where halted infrastructure projects and a government-decreed slowdown led to a sharp decline in sales. Developments in the rest of the region were in line with high expectations.In Europe, the economy continued to slow under the impact of the euro crisis. This was also apparent in the Region Europe North, where sales were down 2.7% on the previous year. Sika was still able to grow in Eastern Europe and the Nordic countries. The Region Europe South grew by 2.8% year-on-year, but this was due to a strong acquisition effect of 9.7%. While the markets in the Mediterranean countries are still suffering, the performances turned in by Sika France and Sika UK had a stabilizing effect. In the UK, Sika benefited from extensive roof and other renovation activities.

Increased sales“Other segments and activities” generated very strong growth of 35.9%, which includes sales in the automotive business area. Here, Sika was

mainly able to make gains through the use of new technologies and benefited from its strong presence in the premium automotive segment, which is enjoying high growth rates in North America, Latin America, and Asia. 19.2% of the increase is attributable to acquisition effects.In local currencies, Sika increased sales of products for the construction industry by 4.8%, 4.3% of which was attributable to acquisitions. Sika posted a high growth rate of 13.3% for products for industrial manufacturing. 5.6% of this growth is attributable to acquisitions.

OutlookIn the second half of the year, Sika still expects growth stimuli to come from the emerging markets in the Regions Latin America, IMEA, and Asia/Pacific. The second half of the year is also likely to see a revival in construction activities and infrastructure projects in China, which will benefit growth in the Region Asia/Pacific.While the solid growth in North America should continue, the trend in Europe is difficult to assess. In the Mediterranean countries in particular, which have been badly affected by the euro crisis, there is little sign of recovery. However, even in these countries Sika’s good market

position should enable it to gain additional market share.Having increased slightly in the first quarter, raw material prices stabilized toward the end of the first half of the year.

June 17, 2012Equity IndicesSika Share Listed in Swiss Leader Index (SLI)From June 14, 2012, onwards, the Sika Share will be listed in Switzerland’s top 30-company Swiss Leader Index (SLI).

The Sika stock is constituent of various equity indices– Swiss Leader Index (SLI), as of June 14, 2012– Swiss Mid– SMI Expanded– SPI– SPI Extra– Swiss All Share Index– UBS 100 Index

Industry Classification Benchmark (ICB)*– ICB Industry: Industrials– ICB Supersector: Construction and Materials– ICB Sector: Construction and Materials– ICB Subsector: Building Materials and Fixtures* Industry Classification Benchmark (ICB), a joint product of Dow Jones & Company, Inc. and FTSE International Limited and has been licensed for use.

Sika expects its margins to remain on a positive year-on-year trend during the second half of the year.

Page 4: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Page 4 Sika Industry Magazine Automotive OEM

The Sika product sustainability ap-inability ap-proach aims to analyze case studies throughout the whole life cycle of the products and systems, considering their life expectancy. This includes all life cycle stages from raw material ex-traction to production, use and final disposal. The main focus is to evaluate additional benefits for the customer with regard to megatrends, such as energy gains, carbon savings or water reduction. The evaluation of the case studies in different application fields is based on actual projects worldwi-de. For this, the Life Cycle Assessment (LCA) methodology is used, following international standards (ISO 14040 se-ries, EN 15084).

By taking this approach, Sika is able to demonstrate the sustainability perfor-mance of specific customer projects or solutions. The goal is to evaluate individual situations and benefits of Sika’s technolo-gies and products as part of a construc-tion project, as can be seen in the 2 case studies shown below.

More Reinforcer, Less WeightSikaReinforcer® can be used for structural reinforcement of cavities and for crash reinforcing. The latter’s aim is to absorb the impact energy or redistribute it in an optimum way in the car structure. The former aims to improve the crash performance or the stiffness of the car body, by adding a structural component that creates a rigid assembly with panels or eventual support. This way sheet metal thickness will be reduced and steel reinforcement plates are unnecessary. It is a contribution to reducing the vehicle weight and may also avoid creation of vibrations (and thus noise and fatigue cracks in the structure).

For more information visit:http://www.sika.com/en/group/Aboutus/innovation/products_and_technologies/acoustic_and_reinforcers.html

An analysis was made of the potential gains during the use phase by employing SikaReinforcer® technology instead of the steel benchmark. The gains from using SikaReinforcer® technology arise mainly from the weight savings, as these lead to

lower fuel consumption. Additionally, the installation of the components in the car was considered, as the steel part needs to be welded, while the SikaReinforcer® does not.The carbon footprint of the raw materials was calculated (5 kg steel vs. 2 kg SikaReinforcer®), and of the welding of the steel component, as well as the carbon emissions avoided due to lower fuel consumption during the vehicle’s typical lifetime (ca. 150,000 km).

Results and ConclusionsTo illustrate the gains from using the SikaReinforcer® instead of steel, the impacts (from the raw materials and the welding of the steel part) are shown, as well as the carbon emissions avoided due to the lower weight of the SikaReinforcer® component. Global Warming Potential (GWP) measures the potential contribution to climate change, focusing on emissions of greenhouse gases, such as carbon dioxide (CO2), which enhance the heat radiation absorption of the atmosphere, causing the temperature at the earth’s surface to rise.

Sustainability in the Marketfield Automotive OEMSikaReinforcer® and SikaPower® for less weight and less costs

SikaPower® applications

SikaReinforcer® applications

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Page 5 Sika Industry Magazine Automotive OEM

Global Warming Potential (GWP)In terms of GWP, even though the materials from the SikaReinforcer® component seem to have more carbon emissions, the total gains from the weight reduction achieved during the use phase, are clearly demonstrated. The net gain from using the Sika solution compared to the steel solution amounts to 19 kg CO2 per vehicle.

More Power, Less CostsSikaPower® adhesives and sealants are heat-curing products based on epoxy hybrid technology, combining properties such as toughness, flexibility, elongation, mechanical strength and an excellent adhesion spectrum on various oiled steel and aluminum substrates. SikaPower® products can be used for crash and structural bonding, hem-flange, sealing and anti-flutter applications. These crash resistant structural adhesives increase passenger safety, improve car stiffness, save costs due to decreasing of spot welding points and to simplification of the manufacturing process. They also enable bonding of composite material mix (metal/alu/plastic) and improve long term car durability.

For more information visit:http://www.sika.com/en/group/Aboutus/innovation/products_and_technologies/structural_adhesives.html

An analysis of a real case study was made to show the gains from using SikaPower®. SikaPower® contributes to weight reduction of the car as well as to reducing the high number of welding points needed in the car production (with corresponding costs and energy input). The weight reduction brings gains during the use phase of the automobile, as it leads to lower fuel consumption. The carbon footprint of the amount of SikaPower® used was calculated, as well as of the welding and

bonding process. The carbon emissions avoided due to lower fuel consumption during the vehicle’s typical lifetime (ca. 150,000 km) are also shown.

Results and ConclusionsTo illustrate the gains from using SikaPower®, a comparison was made on a premium segment car model, where two different setups were analyzed: one representing the serial production car, the other an optimized body with fewer welding points and thinner metal sheets. Both cars met the stiffness and crash requirements. By using SikaPower® adhesive, 1000 welding points and 30 kg weight were eliminated, leading to a reduction in CO2 emissions during the use phase. Global Warming Potential (GWP) measures the potential contribution to Climate Change, focusing on emissions of

greenhouse gases, such as carbon dioxide (CO2), which enhance the heat radiation absorption of the atmosphere, causing the temperature at the earth’s surface to rise.

Global Warming Potential (GWP)For setup 2, not only is the GWP of the assembly process smaller, but the total gains from the weight reduction achieved during the use phase are also clearly demonstrated. The net gain from using SikaPower® amounts to 330 kg CO2 per vehicle.

Page 6: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Page 6 Sika Industry Magazine Transportation

Transportation Days 2012Technology on Wheels

The customer group Transportation had the great pleasure to invite our worldwide customers to a two-day seminar called “Transportation Days” held on September 18th and 19th 2012 in Hamburg, Germany. We gave an update on our current product line and introduced our latest technologies.

Stephan Lundt, Head Business Unit Industry Region Europe North, opened the first day of the seminar and provided a perfect insight into Sika’s facts and figures as well as the Business Unit Industry including its various departments and responsibilities. We then seized the opportunity to present different objectives and advantages of existing elastic to structural bonding solutions, such as Sikaflex®, SikaForce®, SikaFast® and SikaPower® , for the Transportation business.

Additionally, new innovations such as the Accelerated Curing System SikaBooster® and Sika PowerCure and Ultra High Modulus Technology created a great deal of interest in future projects. The Technical Department outlined the tasks and importance of the service they deliver to support our customers in their daily business.

After an informative and intense day we enjoyed a relaxing sightseeing tour of Hamburg and an excellent dinner on a seaside cruise.

The second day focused on Automotive technologies in Transportation presenting our proven acoustic and reinforcing tech-nologies SikaBaffle® and SikaReinforcer® followed by the SikaGard®-6680, a high performance underbody coating, and con-tinued with an overview of the hotmelt adhesives and applications.

After the theoretical part, we transferred to Sika Automotive GmbH in Hamburg. Thanks to the whole local team and their outstanding organization of the day’s activities, we had an opportunity to see some practical demonstrations. In various workshops the use of SikaMelt® for fabric lamination and sandwich panel bonding, SikaSense® for floor laminations and SikaGard® for underbody coating were presented.

Finally, we were very pleased to invite our customers the following day to visit our Sika booth at the International Automotive Exhibition for Commercial Vehicles in Hannover.

Thanks are due to all departments involved for making the Transportation days a worthwhile and varied event.

Page 7: Sika Industry Magazine...Sika Industry Magazine Page 3 Sika Group News Gross margin of 53.1% (first half of 2011: 51.9%) Thanks to steady efforts in the first half of the year, Sika

Page 7 Sika Industry Magazine Transportation

InnoTrans Trade Fair The Future of Mobility

64th IAA Transportation Show Hanover 2012

Every second year in September, InnoTrans provides a one-week global platform for innovative OEM transpor-tation technology. All leading manu-facturers present their latest vehicles, rolling stock, components and systems in the halls and on the rail track at the Berlin Exhibition Grounds.

This year, over 2200 exhibitors spread over 140,000 m2 presented their products and solutions to more than 110,000 visitors.

“Sika Solutions - Next Stop - Sustainability, Safety and Comfort”This was the key message to the visitors to our booth. The intention was to show solutions which improve comfort and safety of the vehicle as well as working conditions for the labor.

Focusing on sustainability, environment and safety issues, the new i-Cure technology was demonstrated as the latest innovation from Sika supporting these key elements. Water-based acoustic underbody coating SikaGard®-6680 was highlighted as an environmentally friendly solution to increase comfort levels in rail carriages.

Sika Unitherm® Platinum is an important product for fire protection, increasing passenger safety. Last but not least, the proven Sika technologies Sikaflex®, Sika-Force® and SikaFast® were also shown. The Sika stand was very well frequented by all key customers of the rail market and new potential prospects.

The InnoTrans was a great success for Sika. We are already looking forward to the next fair in 2014, where Sika will of course again be participating.

The 64th IAA Commercial Vehicle Show, one of the largest in recent decades, took place from September 20th to 27th in Hanover. With 1904 exhibitors from 46 different countries, it is the world’s most important commercial vehicle trade show.

Attended by more than 260,000 visitors, 354 world premieres were showcased, more than half of the stands representing overseas producers.

With over 25 years of manufacturing experience, Sika Germany GmbH, Dow Building Solutions and Oest GmbH jointly presented the Sandwich Panel Competence Centre.

Live Demonstrations The live demonstrations on how to produce and assemble sandwich panels generated significant interest with potential new customers.

The focus this year was on presenting Sika’s latest technologies and product innovations such as i-Cure and the Sikaflex® hybrid range.

Other important topics included SikaPower® body shop products and SikaBaffle® acoustic solutions, which have been supplied for many years to the automotive industries.

A lot of interest was also generated by our SikaSense® floors, SikaMelt® fabric lamination products and SikaGard®-6680 acoustic underbody coating products.

Many thanks to all visitors.

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Page 8 Sika Industry Magazine Automotive Aftermarket

Automechanika 2012 Visitors from all over the world at Sika stand

Sika Services exhibited in Hall 6.2 C 20 at the Automechanika 2012. Many international visitors and business partners visited our booth. The picture shows members of Sia Biffignandi - a longterm Aftermarket Distributor of Sika Italy.

Many visitors The show was well attended - 148‘000 visitors came to see 4‘593 Exhibitors from 74 countries. Automechanika is said to be the world‘s leading trade fair for the automotive aftermarket sector. Sika selected a booth in Hall 6.2 were all the automotive glass replacement companies exhibited. Main focus for Sika was the AGR market. Visitors came from more than 23 countries and some of them are currently buying Sika products and some were interested to become Sika customers. Furthermore we had Sika representation from more than 15 countries.

Windscreens with new features Interesting to see where the new windscreens with many new safety features included and currently installed by car manufacturers. What was once a single piece of glass has become a multifunctional device which also protects the car owner from wind while driving in the car. To mention some of the new safety and comfort features:

– rain sensors – front cameras to allow automatic

distance control – noise absorbtion PVB innerlayer – temperature control frontscreens

It is important to understand that such new safety features have an influence on the replacement bonding of modern cars. Such innovations were shown at the various glass producers from all over the world.

SikaFast®-5211 NT For the first time Sika showed the new rear view mirror bonding product - called SikaFast®-5211 NT. It is now available in 10 ml packaging with 3 mixers. Product roll-out will start after Automechanika and will further enlarge our product range for the professional automotive glass replacement industry.

No Shortcut to Safety Furthermore the videos „OEM Approved“ and „no short cut to safety“ were shown. For more information: www.noshortcuttosafety.com

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Page 9 Sika Industry Magazine Fenestration

Structural Window Bonding The Ideal Solution

The distinguished Swiss architectural practice kämpfen für architektur, win-ner of various awards for its commit-ment to solar construction, has crafted an exquisite architectural composition in downtown Zurich. The main focus was nonetheless on meeting the strict requirements of the Swiss “Minergie-P-Eco” energy efficiency standard and endeavoring to achieve virtual energy autonomy. Window assemblies bonded with Sika products made a key contribu-tion to the project’s success.

The site near Zurich’s Stadelhofen station, freed up by the demolition of a 1910 light- industrial facility and a 250-year-old villa, was redeveloped with two six-story timber structures. While the flexibly configured building fronting Mühlebachstrasse is de-signed to house office and other commercial occupancies, the peacefully located south-ern block is reserved for residential units.

The Mühlebachstrasse elevation and southern block are clad in small, black, natural slates whose appearance shifts as the day progresses or as weather conditions change. Standing out from the dark cladding are brightly colored timber / aluminum windows with matching sliding shutters. At penthouse level, the exterior features large-format, light-yellow cladding panels. The courtyard facade of the northern block, with its south-easterly aspect, incorporates black solar collectors, criss-crossed by yellow bands of Eternit panels.

“Frameless” windowsTo maximize daylighting, floor-to-ceiling glazing is installed on the south-eastern front. The Mühlebachstrasse building particularly benefits from its elevated ceiling heights (3.20 m on the ground floor, 2.80 m on the first to third stories, and 2.70 m on the fourth to sixth stories), which necessitated correspondingly tall glazing units. Thanks to their bonded construction, the windows have no visible sash frame from the outside, thereby admitting more daylight while still offering greater stability than conventional

units glazed with blocks. The windows are fitted with triple glazing whose enhanced light transmittance values ensure high solar gains. One special feature of the 1a-Hunkeler timber/aluminum window assemblies specified for this project by kämpfen für architektur is the use of adhesives to bond the glass to the sash frame. Pioneered by Sika, this technology was developed for series production in collaboration with Berne University of Applied Sciences for Architecture, Wood and Civil Engineering at Biel (Bienne). Launched some 10 years ago, structurally bonded windows have now gained a strong foothold in Switzerland and currently account for every second window installed there. Beat Kämpfen has made widespread use of the system and is convinced of its merits: “The bonding technology employed by 1a-Hunkeler for its timber/metal windows offers major engineering benefits. With the timber sash frame visible only on the inside, being covered by glass on the exterior, the window is practically maintenance-free. There is no need to paint or readjust the window after installation.

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Page 10 Sika Industry Magazine Fenestration

“kämpfen für architektur also recognizes the improved energy efficiency potential: “The vastly reduced frame fraction is a further plus given that frames transmit more heat than insulation glazing. Bonded windows combine a larger clear glass area with improved thermal insulation and enhanced aesthetic appeal. What’s more, both developers and residents appreciate their lower maintenance requirement.” The external walls were constructed from story-height timber units with pre-installed window frames. Due to the considerable weight of the large triple-glazed window assemblies, these were only installed when the walls were in place. The windows can be screened by color-matched, multi-part sliding shutters and solar-activated venetian blinds, which double up as an eye-catching architectural feature.

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Page 11 Sika Industry Magazine Solar

New World Innovation Sikasil® AS-780 for Backrail Bonding

The Sikasil® AS-780 is a high performing two-component Silicone designed for in-process bonding of backrails or other mounting devices to PV modules.

The PV industry aims to go into the same direction to save overall costs and improve long term performance, moving away from material and labor-intensive mechanical fixation with high risks of glass breakages and micro-cracking in the PV cells.As a consequence, numerous solutions for backrails or point holding systems have been launched on the market, but so far

no bonding technology could provide all the characteristics needed to meet the demands of optimal in-process application and long term durability over decades. Fixation is one of the most crucial parts of the system. If the fixation fails, the whole system fails, although it might look like a minor step in the overall solution.

However, a new innovation in the form of Sikasil® AS-780 has made this feasible. It combines the exceptional long term performance of a structural Silicone used in the facade industry with the process ability of a high tack and high green-strength adhesive.

Benefits of bonding mounting systems with Sikasil® AS-780– Savings in material and labor of up to

25% compared to common framing and mechanical installation systems

– Reduction in installation time by up to 40%– Elimination of pre-fixation means or

large buffer zones– Simplified in-line bonding feasible with

existing cycle times

– Savings in backrail material of up to 15% compared to tape solutions

– Reduced glass breakage by elimination of stress peaks

– Simplified tolerance compensation compared to tape solutions

– Minimized micro-cracks on cells due to stress distribution translates into higher performance over the years

– Easier quality control consistency in production compared to the field

– Structurally bonded with an adhesive technology which meets stringent facade standards

– In-process mounting, new designs for BIPV and architectural appeal are all factors that add value.

The newly innovated Sikasil® AS-780 enables PV module and system providers to move forward while achieving the desired cost and material savings in fixation solutions with a secured long term performance and simplified process integration.

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Page 12 Sika Industry Magazine Solar / Events

Event Calendar 2012

www.sika.com/industry

10/2

012

DATE COUNTRY CITY EVENT FURTHER INFORMATION

October 23 – 26, 2012 Germany Düsseldorf Solrapeg www.solarpeq.de

October 23 – 26, 2012 Germany Düsseldorf Glasstec www.glasstec.de

November 27 – 29, 2012 Germany Düsseldorf Wind Turbine Blade www.amiplastics.com Manufacture Conference

November 29 – 30, 2012 Spain Seville CSP Today www.csptoday.com

December 8 – 16, 2012 France Paris Nautic www.www.salonnautiqueparis.com

New PV Potting Agent Sikasil® AS-787 SL

The Photovoltaic Industry strives for solutions which combine higher productivity with lower manufacturing costs. This new, fast curing two-component silicone based potting agent, enables shorter cycle times and a high automation index for junction box potting for crystalline and thin film photovoltaic technologies.Despite its excellent flow behavior, Sikasil® AS-787 SL displays, a very short non-flow time to shorten and secure the storing time before handling and packaging. Due to the two-component technology the fast and uniform curing is not affected by humidity and can even be accelerated by slight heating. Next to this, the proven weatherability and excellent adhesion to many junction box and backsheet materials as well as to glass ensure long term performance. The product’s UL 94 V-0 certification is proof that it has the highest flammability rating. Thanks to the perfect balance of raw materials, no sedimentation occurs and, unlike with other potting materials, there

is no need for mixing prior to usage. The material can be applied with most of the common dispensing systems for potting materials.

With this new technology in the Sika product range, Sika is further advancing the way to cost and durability-optimized PV systems. The Sikasil® AS-787 SL is available now. Sika specialist in your country will be pleased to assist you.

Press Release June 2012_________________________________________________________  

Sika AG / Corporate Industry / Tüffenwies 16 / CH-8048 Zurich / Switzerland Phone: +41 44 436 55 93 / Fax: +41 44 436 55 30 / www.sika.com/industry

  

New PV potting agent Sikasil® AS-787 SL

The  Photovoltaic  Industry  strives  for  solutions  which combine higher productivity with lower manufacturing costs. This new,  fast curing  two‐component Silicone based potting agent,  enables  shorter  cycle  times  and  a  high  automation index  for  junction  box  potting  for  crystalline  and  thin  film photovoltaic technologies.   The Sikasil® AS‐787 SL features, despite the excellent flowing behaviour, a very short non‐flow time to shorten and secure 

the storing time before handling and packaging. Due to the two component technology the fast and uniform curing is independent from humidity and can even be accelerated by slight heating. Next to this,  the  proven  weather  ability  and  excellent  adhesion  to  many  junction  box  and  backsheet materials  as well  as  to  glass  ensure  long‐term  performance. With  a  UL  94  V‐0  certification  the product proves for the highest flammability rating. Thanks to the perfect balance of raw materials no sedimentation occurs and therefore no mixing is need prior to usage, like with other potting materials. The material can be applied with most of the common dispensing systems for potting materials. With this new technology  in the Sika product range, Sika  is  further advancing the way  to cost and durability optimised PV systems.  The Sikasil® AS‐787 SL  is  immediately available and the Sika specialist  in your country  is pleased to support you.   Next to potting technologies, Sika is also offering adhesive and sealing solutions for framing, junction box and backrail bonding.     Sika AG  is a globally  integrated company supplying specialty chemicals and application knowledge. We are present with more than 120 production and marketing subsidiaries in over 70 countries with 13’500  employees.  Sika  is  a  leader  in  processing  materials  used  in  sealing,  bonding,  damping, reinforcing and protecting load‐bearing structures in construction and industry.