Nsg group architectural glass media briefing kit introduction

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The NSG Group is one of the world’s largest manufacturers of glass and glazing products for the architectural, automotive industry and technical glass sectors. Founded in 1918, the company was transformed in 2006 with the acquisition of Pilkington plc, itself a global leader in the glass industry and the inventor of the Float Glass process. The Pilkington name was retained as a brand for the Group’s building and automotive products.

Today, the enlarged NSG Group has manufacturing operations in around 30 countries on four continents and sales in some 130 countries. In the fiscal year ending 31 March 2012, the Group reported revenue of JPY 552 billion (approximately euro 5 billion). Of this, 41 per cent was generated in Europe, 29 per cent in Japan, 13 per cent in North America and 17 per cent in the rest of the world.

Nippon Sheet Glass Co., Ltd. was founded in Osaka, Japan in November 1918. The company expanded its reach throughout the rest of the century, culminating in the acquisition of Pilkington plc in 2006. The Pilkington story began in 1826, with the establishment of the St Helens Crown Glass Company. After several name changes in the early years, the company became Pilkington Brothers Limited in 1849 and was listed on the London Stock Exchange as Pilkington plc in 1970.

The turning point in the history of Pilkington was the invention of the Float Glass process in the 1950s. It revolutionized the world’s flat glass industry and has become the universal process for the manufacture of high quality flat glass, with the technology licensed to more than 40 manufacturers in 30 countries. Around 380 float lines are in operation, under construction or planned worldwide, with a combined output of about 1,200,000 tonnes of glass a week. The NSG Group owns, or has interests in, 48 float lines worldwide.
The NSG Group operates in three business sectors:

  • Architectural Glass supplies glass for the building and Solar Energy sectors. In the Solar Energy sector, thin film photovoltaic solar modules, crystalline photovoltaic solar modules, and concentrated solar power applications are the leading technologies in converting power from the sun into clean renewable energy. The Group supplies all three of these technologies.

  • Automotive serves the original equipment, replacement and specialized transport glazing markets.

  • Technical Glass products include very thin glass for displays, lenses and light guides for printers and glass fibre, used in engine timing belts.

Company name: Nippon Sheet Glass Co., Ltd

Global brand: NSG Group

Head Office: Sumitomo Fudosan Mita Twin Building

West Wing, 5-27, Mita 3-chome,

Minato-ku, Tokyo 108-6321 Japan

Telephone: +81 (0) 3-5443-9500
Executive Officers: President and CEO: Keiji Yoshikawa

Chief Operating Officer: Clemens Miller

Chief Financial Officer: Mark Lyons
Principal websites: www.nsg.com (Corporate and investor relations site)

www.pilkington.com (Architectural and Automotive commercial site)

Revenue: JPY 552 billion (approximately EUR 5 billion)*

Permanent 29,702*


Global footprint: 48 float lines, 31 Automotive fabrication plants, 12 Technical Glass plants globally and an extensive network of Architectural downstream and Automotive Aftermarket operations.*

(* Figures for financial year ended 31 March 2012)

If you are compiling any features or case studies on windows, renovations, commercial projects, architectural design, solar energy and the glass industry in general, we can help. The NSG Group can also provide case studies, commentary, expert opinion, images and information on a range of subjects, including regulations, legislation and new product innovations.

We will also consider any other appropriate opportunities, so please feel free to contact Mervi Paappanen, Architectural Glass, to discuss your requirements; email: mervi.paappanen@fi.nsg.com, tel. 03-3499111.

The Architectural Glass side of the business manufactures, processes and sells products for exterior and interior applications in new buildings and refurbishments, as well as the Solar Energy industry.

  1. Architectural applications

The company is continually innovating and developing products that satisfy the full range of architectural requirements. The architectural products are sold under the Pilkington brand; a wide range of products providing a solution for every application.

The product range is separated into nine different benefit-led categories. These define the key value-adding or selling properties of the products:

  • Solar Control

  • Thermal Insulation

  • Fire Protection

  • Noise Control

  • Safety/Security

  • Self-cleaning

  • Decoration

  • Glass Systems

  • Special Applications

1.a. Solar Control

With glass being increasingly used in architecture to provide light and airy environments, it is imperative to also consider the comfort of buildings’ occupants. In hot climates, solar control glass can be used to minimise solar heat gain and help control glare; while in temperate regions, it can be used to balance solar gain with heat loss and achieve high levels of natural light. The Pilkington range of solar control glass offers performance options to suit almost every need, with each product available in a toughened or laminated form.

Pilkington Suncool is a range of superior solar control performance off-line coated glasses, with high light transmittance, low, medium or high light reflectance and outstanding thermal insulation (Ug-value down to 1.0 W/m2K in a 90% argon filled double Insulating Glass Unit). The wide range of products is available in clear or neutral appearance and in two distinctive colours, blue and silver. The products have been designed to be used in Insulating Glass Units. All products are available in combination with other products from the Pilkington range to offer additional benefits such as self-cleaning, safety/security or noise control. They can also be manufactured on Pilkington Optiwhite low-iron substrate to reduce the risk of thermal breakage and enhance light transmittance.

Designed to achieve optimum performance in large glazed areas, Pilkington Suncool products are suitable for commercial and residential applications. The high selectivity index (light-to-heat ratio) combined with outstanding low-emissivity makes the range ideally suited for large areas of glazing where there is a need to control solar gain without significantly reducing the internal light level.

Pilkington Solar-E is a range of good solar control performance on-line coated clear or body-tinted glasses, with medium light transmittance, low light reflectance and low-emissivity. The products are available in a range of colours (Clear, Arctic Blue, EverGreen, Blue-Green and Grey). They are well-suited to both commercial façades and residential applications where high reflectance is prohibited or undesirable, and energy-efficiency in both summer and winter is required. Extremely versatile, the products can be used in their monolithic form or in Insulating Glass Units. They can be combined with other low-emissivity glasses in Insulating Glass Units to achieve even higher levels of thermal insulation.
Pilkington Eclipse Advantage is a range of good solar control performance on-line coated clear or body-tinted glasses, with unique colours (Clear, Arctic Blue, Blue-Green, Bronze, EverGreen and Grey) and low-emissivity properties. Specifically designed for use in countries with a warm climate, well-suited to both commercial façades and residential applications, the products offer unique colour options for original and innovative architecture designs. Extremely versatile, they can be used in their monolithic form or in Insulating Glass Units. The products can be combined with other low-emissivity glasses in Insulating Glass Units to achieve even higher levels of thermal insulation.
Pilkington Eclipse is a range of medium solar control performance on-line coated glasses in two rich golden colours. Suitable for single glazing or incorporated in an Insulating Glass Unit, the products can be used in a wide range of residential and commercial applications. To achieve thermal insulation, the products have to be combined with a low-emissivity glass in an Insulating Glass Unit.
Pilkington SunShade Silver is a medium solar control performance off-line coated glass, with low light transmittance and high light reflectance. It is ideal for use in commercial façades as well as residential applications in hot climates with intense solar glare and sunlight. To achieve thermal insulation, the product has to be combined with a low-emissivity glass in an Insulating Glass Unit.
Pilkington Reflite is a range of medium solar control performance on-line coated body-tinted glasses, with low light transmittance and medium light reflectance. The product is available in two colours (Arctic Blue, Emerald Green). Suitable for single glazing or incorporated in Insulating Glass Units, the products can be used in a wide range of residential and commercial applications. To achieve thermal insulation, the products have to be combined with low-emissivity glass in Insulating Glass Units.
Pilkington Optifloat Tint and Pilkington High Performance Tint (e.g. Pilkington Arctic Blue) is a range of low to medium solar control performance uncoated body-tinted glass, with low light reflection and high energy absorption. The products are particularly suitable for applications that demand solar control without the use of surface coatings, for residential or commercial applications. To achieve thermal insulation, the products have to be combined with low-emissivity glass in Insulating Glass Units.
1.b. Thermal Insulation

Today’s builders, regulators and wider communities are demanding more from glass. In particular, the focus on energy-efficiency in building regulations is creating a greater need for low-emissivity (low-e) glass. Essentially, low-e glass reflects energy back into a building, to achieve much lower heat loss than ordinary float glass. In addition, different types of low-e glass allow different amounts of passive solar heat gain, which helps reduce heating requirements and costs, especially in colder months.
With a wide range of low-e glass available, Pilkington has a solution for all energy saving requirements.
Pilkington Optifloat Clear is a high quality float glass. It can be used in a wide variety of applications, often representing a practical and stylish alternative to solid materials. It may be used in the exterior and interior of buildings to permit the transmission of daylight, allowing occupants to view their surroundings.
Pilkington Energy Advantage and Pilkington K Glass are on-line coated low-emissivity glass products that offer substantial improvement on thermal insulation when compared to clear float glass. They are also characterised by high solar heat gain, which means that as well as retaining heating warmth in a room, they allow high levels of solar energy to enter, for warmer and brighter interiors in sunny spells, and reduced heating and lighting costs. Extremely versatile, they can be used in their monolithic form or in Insulating Glass Units. The products are recommended for new buildings and renovations/modernisations where high solar heat gain is beneficial. They can also be offered in versions offering even higher solar heat and light transmittance.
Pilkington Optitherm is a range of high performance low-emissivity off-line coated glass products that offer high to very high thermal insulation performance as well as neutrality. Pilkington Optitherm S3 is one of the market leading super neutral low-emissivity glasses, due to its very high light transmittance and low light reflectance. For applications requiring a Ug-value of 1.0 W/m2K, Pilkington Optitherm S1 can be used. Developed specifically for energy-optimised triple glazing, Pilkington Optitherm GS maximises solar energy gain and reduces heat loss to increase the energy efficiency of houses. Pilkington Optitherm GS exceeds the criteria for Passiv Haus glazing, achieving a total solar energy transmittance (g value) of up to 63% while still attaining a Ug-value of as low as 0.6 W/m2K.
The Pilkington Optitherm range has been specially developed for use in Insulating Glass Units. The products can be enhanced when combined with other products from the Pilkington range to provide additional benefits such as self-cleaning, noise control or safety/security properties. They can be used from the smallest installation to the most prestigious curtain walling applications – anywhere where there is concern for reduced energy consumption and heat loss.
Pilkington Insulight Therm is a range of Insulating Glass Units offering improved thermal insulation. These are technically advanced, dual seal units which comply with national and international standards as required. They can achieve a range of performance levels using our range of low-emissivity coated glasses listed above.
Pilkington Spacia is the world’s first commercially-available vacuum glazing. It offers the thermal performance of conventional double glazing in the same thickness as a single pane of glass. Pilkington Spacia provides a real solution to the problems of balancing historical preservation with modern comfort and environmental requirements. Pilkington Spacia has a low overall thickness as well as good acoustic performance, and is ideal for use in historic buildings, offering replacement windows more in keeping with the original design. It may even allow the use of the original frames if these are in a reasonable or repairable condition.
Pilkington Suncool, Pilkington Solar-E and Pilkington Eclipse Advantage are primarily solar control products, but also have low-e properties.
1.c. Fire Protection

Modern architecture favours transparency far beyond the façade: architects prefer natural light and open spaces to determine the design of large buildings right down to their structural core. Wherever these “open” concepts meet local construction and fire safety requirements for the protection of human life and property, fire-resistant glazing comes into play. The Pilkington range of fire-resistant products, Pilkington Pyrostop®, Pilkington Pyrodur®, Pilkington Pyroclear® and Pilkington Pyroshield 2, provides a protected, yet comfortable and versatile state-of-the-art glazed building environment, complying with relevant fire safety regulations.

Pilkington Pyrostop® is a clear, multi-laminated fully insulating fire-resistant safety glass that offers the highest level of fire protection, effectively blocking the transmission of conductive and radiant heat, while maximising the transmission of natural light and transparency. Pilkington Pyrostop® is designed for interior and exterior use where thermal insulation is required up to class EI 180. It is suitable for use with steel, aluminium and timber frames in monolithic form or Insulating Glass Units. It is ideal for use in transparent partitions, windows (special application), doors, screens and façades, or for horizontal applications (roof and inclined glazing).
Pilkington Pyrodur® is a clear multi-laminated fire-resistant glass designed to provide basic integrity performance and to reduce radiant heat transfer. It is suitable for internal and external applications up to class EW 60. Pilkington Pyrodur® is available for use with steel, aluminium, softwood and hardwood timber frames. It is particularly suited for use in doors, screens and partitions where lightweight, narrow profiles are important and ease of glazing is a priority. Further applications include Insulating Glass Units in façades and roof glazing (special compositions for inclined applications).
Pilkington Pyroclear® is a clear high performance monolithic basic integrity fire-resistant and safety glass. It is suitable for internal and external applications where integrity only performance is sufficient. Pilkington Pyroclear® has been approved in single and double glazed units for use with steel and aluminium systems. It is suited for use in doors, screens and partitions as an effective barrier against fire, smoke and fumes.

Pilkington Pyroshield 2 is a range of fire-resistant wired glasses which, in the event of fire, provides an effective barrier to flame, smoke and hot gases. Available as clear or in a textured version, offering obscuration, Pilkington Pyroshield 2 products can be used where there is a specific requirement for integrity-only fire protection. Pilkington Pyroshield 2 Safety Clear is a monolithic safety wired glass for use where there is a specific requirement for both integrity-only fire protection and impact safety (classification to class 3(B)3 according to EN 12600). Pilkington Pyroshield Texture does not have an impact safety classification. Suitable for use with steel and timber frames, internally or externally, Pilkington Pyroshield 2 products are ideal for use in screens, partitions, doors, windows, fanlights and overhead glazing.

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