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TEMPERED GLASS

High-Strength Tempered Glass – Safety and Performance 

 

In today’s building technologies, solutions that combine safety, durability, and aesthetic value are at the forefront. In this context, tempered glass stands out as a high-performance construction element used in both architectural and industrial applications. Reinforced through advanced thermal processing, tempered glass offers exceptional impact resistance. As a result, it provides safe, long-lasting, and modern solutions in both commercial and residential projects, enhancing user comfort and overall building safety.

Beyond its mechanical strength, tempered glass plays a vital role in the construction industry thanks to its aesthetic versatility, thermal performance, and environmental sustainability. Available in clear, colored, or patterned options, it adapts easily to diverse design visions, delivering a strong response to the technical and visual expectations of contemporary projects.

TEMPERED GLASS TECHNICAL FEATURES

Property Value / Description
Thermal Resistance Resistant up to approximately 250 °C (withstands sudden temperature changes)
Mechanical Strength 5 times stronger than regular float glass
Breakage Pattern Shatters into small, blunt fragments (provides safety)
Warping / Distortion Slight warping may occur due to temperature differences or production tolerances
Thickness Range Typically produced in the range of 4 mm – 19 mm
Color / Appearance Temperable glasses include clear, bronze, grey, green, reflective, etc.
Thermal Expansion Coefficient     Approximately 9 x 10⁻⁶ /°C


  TECHNICAL DATA PDF

APPLICATIONS AND REQUIREMENTS

Façade Systems (Curtain Wall / Stick / Unitized)

Tempered glass is widely used in exterior façade solutions. It is typically applied in combination with insulated glazing systems to ensure energy efficiency and structural safety.

Key benefits:
• High resistance to wind loads
• Durability against thermal stresses
• Compliance with building safety requirements

Glass Balustrades and Stair Applications

For visual transparency and user safety, tempered glass is often used in combination with laminated glass. This configuration ensures that fragments remain in place in the event of breakage.

Critical advantages:
• Acts as a safety barrier against falls
• High impact resistance
• Suitable for outdoor environments

Interior Glass Applications

Tempered glass is a prominent choice in modern interior solutions, offering both aesthetic and functional value. It is commonly used in shower enclosures, glass partitions, doors, shelving, and tabletops.

Key features:
• Enhanced safety performance
• Resistance to heat and impact
• Clean and elegant appearance

Automotive and Thermal Equipment Applications

In the automotive industry, tempered glass is typically used in side and rear windows. It is also preferred for oven doors due to its high resistance to thermal shock.

Technical considerations:
• Excellent resistance to thermal stress
• Controlled breakage for passenger safety
• Durable and long-lasting material

DEFINITION AND GENERAL CHARACTERISTICS

Tempered glass is a type of safety glass that undergoes a process called "thermal tempering," where the surfaces are compressed and the interior is subjected to tensile stress. This structure enhances the glass’s resistance against impact, wind, thermal stress, and mechanical loads.
 

Standards and Certifications:

  • EN 12150-1 (Europe)

  • ANSI Z97.1 (USA)

  • TS EN 12150 (Turkey)

  • CE  : Indicates conformity with EU safety, health, and environmental protection requirements.

COLOR OPTIONS

Color / Effect Description
Clear (Float) Colorless flat glass with maximum light transmission.
Bronze Light brown tone; provides solar control and privacy.
Grey (Smoke) Reduces sunlight; offers an aesthetically darker appearance.
Green Minimizes UV radiation; preferred in environmentally focused projects.
Blue Used in modern façade designs; offers lower light transmission.
Reflective (Mirror-like) Reflective from the outside; provides solar and thermal control.
Opaque / Satin / Frosted    Etched or sandblasted surface; ideal for interior privacy applications.

You can contact us for color options specific to your needs. 

LOW-E GLASS

Energy Efficiency and Comfort Combined with Low-Emissivity (Low-E) Glass 

Low-E glass, produced using advanced coating technologies, helps maintain ideal indoor temperature conditions throughout the year. In colder seasons, it reflects interior heat back into the space, minimizing heat loss and reducing the need for heating. During the summer months, it limits the amount of solar heat entering the building, preventing interior spaces from overheating. While offering these benefits, it also allows a high level of natural daylight to enter, creating bright and comfortable living environments.

LOW-E GLASS FEATURES

  • Low-E Glass: It is a heat control glass. Thanks to the Low-E coating, heat inside the room does not escape outside. For maximum heat insulation, it is recommended to use Low-E on both the outer and inner glass panes. It is an ideal solution for triple-glazed insulating glass units.

  • Tentesol and Tentesol Titanium: These are reflective (mirrored) solar control glasses. They limit the entry of sunlight during summer. Suitable for single-pane use with high insulation properties. When used together with Low-E glass, they provide solar control and energy savings.

  • Solar Low-E Glass: It provides both heat and solar control. While preventing heat from escaping the interior, it limits the entry of sunlight during summer. Typically used on the inner glass pane for maximum insulation and solar control. Suitable for triple-glazed insulating glass units.

  • Tempered Low-E Glass: Low-E coated tempered glass. Thanks to the tempering process, it provides safety by breaking into small, blunt pieces instead of sharp shards. It is up to 5 times stronger against impact loads.

Performance Parameters

  • Visible Light Transmittance (%): The percentage of visible light passing through the glass. Higher transmittance means more natural light.

  • Visible Light Reflectance (%): The percentage of incoming sunlight reflected outward by the glass. Higher reflectance reduces solar heat gain.

  • Solar Factor (g-value %): The percentage of total solar heat energy transmitted through the glass. A lower g-value means better solar control. For example, the g-value of 3 mm clear glass is 0.87, whereas Low-E glasses have a lower value.

  • Thermal Transmittance (U-value) (W/m²K): Indicates the glass's thermal insulation performance. A lower U-value means better heat insulation.

  • Color Rendering (Ra %): Shows how accurately colors appear when viewed through the glass. High color rendering provides natural and vivid colors, meaning less color distortion.

     

TECHNICAL DATA PDF

AVAILABLE CONFIGURATIONS

Low-E glass is available in the following configurations:
 

  • Single, double (IGU), or triple glazing (triple IGU) systems

  • Manufactured using hard coat (pyrolytic) or soft coat (sputter) technologies

  • Combined with tempered, laminated, or multi-layered custom glass assemblies

Depending on specific project requirements, Low-E glass can be combined with various performance-enhancing layers, including:

  • Solar control

  • Acoustic insulation: Enhanced sound reduction through laminated acoustic interlayers or asymmetric glass constructions to minimize external noise

  • Safety and security glass (laminated or tempered)

  • Tinted or reflective glass options

Especially in urban environments, near airports, or in high-noise areas, acoustic Low-E glass solutions provide both energy efficiency and superior indoor sound comfort.

LOW-E GLASS BENEFITS

Low-E glass (low emissivity glass) is a type of glass specially developed to reduce heat loss and control solar heat. Thanks to a very thin and transparent metal oxide coating applied to the glass surface, internal and external heat transfer is controlled.
 

Enhanced Thermal Insulation

Low-E glass significantly reduces heat transfer through the glazing surface, resulting in a lower U-value. This improves the building’s energy performance and reduces both heating and cooling loads.

Solar Control and Energy Savings

Low-E coatings limit solar heat gain (the SHGC value can be reduced depending on the glass configuration). This helps minimize air conditioning needs in hot climates, while in cold climates, it reflects indoor heat back into the room, preventing heat loss.

Protection Against UV Radiation

Low-E glass blocks up to 99% of harmful ultraviolet (UV) rays, helping to protect interior furnishings such as furniture, flooring, curtains, and artwork from fading and deterioration.

Natural Light Performance

Thanks to its high visible light transmittance (VLT), Low-E glass allows ample daylight into interior spaces while reducing glare and enhancing visual comfort.

Improved Indoor Comfort

Low-E glass reduces temperature differences near glazed surfaces, creating more stable, comfortable, and user-friendly interior environments.

Environmentally Friendly Solution

With lower energy consumption, Low-E glass helps reduce carbon emissions and contributes to environmental sustainability. It also supports compliance with green building certification systems such as LEED, BREEAM, and DGNB.

TEMPERING LOW-E GLASS

Temperable Low-E glass is preferred especially in exterior façade applications to meet durability and safety requirements. Additionally, tempered Low-E glass can be combined with laminated glass to provide both safety as well as acoustic and thermal comfort benefits. Depending on project requirements, Low-E glass can be applied in single, double (insulating glass units - IGU), and triple glazing systems.
 

Production Standards

  • EN 12150 – Tempered Safety Glass

  • EN 1279 – Insulating Glass Units (IGU)

  • EN 1096 – Coated Glass

  • ISO 9001:2015 – Quality Management System

COLOR OPTIONS

Common Colors of Solar Control Low-E Glass :

 
Color / Effect Description
Gray Provides a modern and neutral appearance 
Effectively reduces solar heat gain and glare.
Green Available in light greenish tones.
Offers a natural and environmentally friendly aesthetic.
Bronze / Brown Delivers warm tones with a classic and elegant look
Reduces solar heat impact while enhancing aesthetic value.
Blue Presents a cooler, contemporary appearance.
Commonly selected for buildings with sea or sky views.
Clear / Light Tints Low-E coatings that minimally alter the exterior appearance while maintaining high performance.
Ideal for maximizing natural light transmission.
Reflective Limits visibility from the outside.
Provides high reflectivity for enhanced solar control.
 

For other color options, please feel free to contact us.

SOLAR CONTROL LOW-E GLASS

It offers both solar control and thermal insulation with a single coating. Thanks to its controlled light transmittance and effective solar control, it helps reduce cooling and heating loads in buildings. Its temperable feature provides solutions suitable for safety and security requirements. Production is carried out on a project basis. 

APPLICATIONS

Ideal solutions for projects in hot climate regions and for skylights.

MANUFACTURING METHOD
Temperable Solar Low-E Glass is an off-line coated glass produced by applying a thin metal/metal oxide layer on flat glass using electron beam evaporation in a vacuum environment.

DIMENSIONAL TOLERANCES
A ±5 mm tolerance is available for all nominal sizes. For different size and thickness requests, please contact us.

QUALITY
The Temperable Solar Low-E Glass, which provides heat and solar control, is produced in accordance with the “TS EN 1096 Glass – Coated Glass Used in Buildings” standard.
 

SOLAR CONTROL

Often specified for windows, roofs and glazed facades, solar control glass help optimize light transmission, solar control and thermal performance. The glass lets sunlight pass through while reflecting a large proportion of the sun’s heat.

Solar control low-E glass is ideal for maximizing natural daylight and reflecting the most solar heat back to its source. The indoor space remains bright and cooler compared to uncoated glass. Energy efficiency can also be improved as solar control glass helps reduce air conditioning loads during warmer months.

THERMAL INSULATION

​In terms of thermal insulation performance, low-emissivity (low-E) glass offers the following advantages:

• It allows sunlight to pass through the glass when desired.

• It helps reflect interior heat back into the room.
• It creates a barrier against the cold air outside.
• It is commonly used in double or triple glazing systems.
• It can help reduce energy costs associated with indoor heating systems.

UV PROTECTION WITH LOW-E GLASS

Low-E glass is effective in reducing harmful UV rays and glare.
Depending on the building's location and orientation, low-emissivity glass can help reduce solar glare and improve visual comfort for occupants—especially when a glazed façade is exposed to direct sunlight and the window-to-wall ratio is high.
Ultraviolet (UV) light can cause up to 50% of fading in interior furnishings and finishes. The use of laminated glass can block up to 99% of UV light.

APPLICATION AREAS OF SOLAR CONTROL LOW-E GLASS

Commercial Buildings

Used in office buildings, shopping malls, hotels, and hospitals. Ideal for large glazed façades to maximize daylight while reducing cooling costs.

Residential Buildings

Applied in houses, villas, and apartment buildings—especially on sun-exposed façades, balconies, large windows, and sliding doors.

Façade Systems

Widely used in curtain wall systems and aluminum composite cladding systems (ACP + glass combinations).

Retail Stores & Shopfronts

Protects products from UV rays while allowing clear visibility and reducing solar heat gain inside the store.

Doors & Windows

Integrated into aluminum, PVC, and wooden joinery systems where thermal insulation is essential.

🌿 Green Building Projects

Contributes to energy efficiency goals and helps meet certification standards like LEED and BREEAM.

COLOR OPTIONS

Solar Control Low-E glasses have special coatings that reduce solar heat and UV rays while optimizing natural light transmission into indoor spaces. The color options generally vary depending on the intended use, aesthetic preferences, and performance characteristics of the glass.

Common colors of Solar Control Low-E glass include:

  1. Gray

    • Provides a modern and neutral appearance.

    • Effective in reducing solar heat and glare.

  2. Green

    • Comes in light greenish tones.

    • Offers a natural and environmentally friendly look.

  3. Bronze / Brown

    • Provides warm tones with a classic and elegant appearance.

    • Reduces the impact of sunlight while adding an aesthetic layer.

  4. Blue

    • Gives a cooler and more modern look.

    • Often preferred for buildings with sea or sky views.

  5. Clear / Light Tints

    • Low-E coatings that minimally alter the external appearance while delivering performance.

    • Suitable for those who want maximum natural light transmission.

      " For other color options, please feel free to contact us."

       

TECHNICAL DATA PDF

LAMINATED GLASS

Laminated glass is a multi-layered safety glass produced by bonding two or more glass sheets under heat and pressure with special interlayer materials such as PVB (Polyvinyl Butyral) or Ionoplast (Sentry Glas). The interlayer can be transparent or opaque, and is available in both colored and colorless options.

In the event of breakage, the glass fragments adhere to the interlayer, preventing them from scattering. This significantly reduces the risk of injury. Due to this feature, laminated glass is classified as a safety glass in accordance with the      EN 14449 standard.

In addition, laminated glass offers high impact resistance as defined by EN 12600, helping to prevent unauthorized passage. It also meets EN 356 requirements for resistance to forced entry, making it a reliable choice for applications such as shopfront glazing, sloped facades, and the inner panes of overhead or insulating glass units.

Thanks to its low UV transmittance, laminated glass helps preserve the original colors of interior furnishings by protecting them from sun damage. For projects requiring specific levels of UV transmission, interlayers with customized UV performance—such as PVB or Ionoplast (Sentry Glas)—are available.

LAMINATED GLASS SPECIFICATIONS

Safety and Durability

  • Upon breakage, glass fragments adhere to the interlayer, preventing dispersion and significantly reducing the risk of injury.

  • Interlayer thicknesses are available in standard options of 0.38 mm, 0.76 mm, 1.14 mm, 1.52 mm, 1.9 mm and 2 mm (for customized interlayer configurations tailored to your project, please contact us).

  • Impact resistance is generally classified as class 1B1 according to the EN 12600 standard.

  • Resistance to burglary and external impacts is ensured according to EN 356; laminated glass structures can consist of 3 to 7 layers.

UV Protection

  • Laminated glass blocks 96% to 99% of ultraviolet (UV) radiation, minimizing color fading of interior furnishings.

Acoustic Performance

  • Special acoustic PVB interlayers provide sound insulation levels up to 32-38 dB, effectively reducing external noise.

Thermal Insulation and Energy Efficiency

  • Low-E coated laminated glass can achieve thermal transmittance (Ug) values of 1.0 W/m²K or lower, contributing to improved energy efficiency.

Optical Properties

  • Ultra Clear Laminated Glass offers light transmittance exceeding 91%.

  • Standard laminated glass generally provides light transmittance between 85% and 90%.

Application Areas

  • Display windows, roof and ceiling glazing, balustrades, interior partitions, museum showcases

  • Bank branches, hospitals, schools, police stations

  • Sports complexes and high-traffic public areas

Technical Standards and Certifications

  • EN 14449: Laminated safety glass standard

  • EN 12600: Impact resistance and breakage performance

  • EN 356: Resistance to burglary and attack

  • ISO 12543: Quality and testing criteria for laminated glass

     

TECHNICAL DATA PDF

TYPES OF LAMINATED GLASS

By Glass Type:
• Float Laminated Glass: Produced by laminating standard float glass; suitable for general applications.
• Tempered Laminated Glass: Manufactured by laminating heat-treated tempered glass; ideal for areas requiring high impact resistance.
• Heat Strengthened Laminated Glass: Offers higher strength than float glass, but less than tempered glass.
• Tinted or Colored Laminated Glass: Made using colored glass sheets or colored PVB interlayers; preferred for architectural and decorative purposes.
• Curved (Bent) Laminated Glass: Produced by laminating thermally bent glass; commonly used in modern architecture and façade applications.

Acoustic Laminated Glass:
Developed using specially formulated acoustic PVB interlayers for areas requiring sound insulation. Delivers higher sound attenuation compared to standard laminated glass.

By Lamination Structure:
• Double Laminated Glass: Consists of two glass layers bonded by a single interlayer.
• Multi-Layer Laminated Glass: Comprises three or more glass and interlayer components; typically used for bullet-resistant or high-security glazing.

By Application Purpose:
• Safety Glass: Prevents injury upon breakage by holding glass fragments in place.
• Bullet-Resistant Glass: Multi-layered and reinforced with thick interlayers; used in military and high-security facilities.
• Blast-Resistant Glass: Designed for areas with explosion risk in industrial or public settings.
• Fire-Resistant Laminated Glass: Uses special interlayers to delay the passage of smoke and heat during fire exposure.

 

CLEAR GLASS

Clear laminated glass consists of two or more sheets of ExtraClear glass bonded together with transparent PVB interlayers. Thanks to its low iron oxide content, it offers exceptional clarity and a color-neutral appearance. By varying the type of glass and the number of interlayers used, it can deliver a range of performance benefits including enhanced aesthetics, safety, sound insulation, and UV protection.

 
Property Details
Application Areas Facades, roofs, windows, decorative applications, furniture
Manufacturing Options      Annealed / laminated
Maximum Size 3210 x 6000 mm
Glass Type PVB
Glass Functions Safety and security
Usage Options Can be used monolithically or in an insulating glass unit (IGU)
Appearance Neutral, natural transparency

ULTRA CLEAR GLASS

"Clear and neutral from all angles"

Ultra Clear laminated glass differs from other low-iron laminated safety glasses. It offers exceptional brightness and clarity, providing a very natural and clear appearance from every viewing angle.

 
Property Details
Application Areas Facades, roofs, windows, decorative applications, furniture
Manufacturing Options      Crystal clear PVB / Annealed / Standard PVB / Laminated
Maximum Size 3210 x 6000 mm
Glass Type PVB
Glass Functions Safety and security
Usage Options Can be used monolithically or in an insulating glass unit (IGU)
Appearance Neutral, natural transparency