All posts by Eduardo Savin

What is Laminated Glass and How  Is Made 

Laminated glass is a type of safety glass made by bonding two or more layers of glass with a resilient interlayer, most commonly polyvinyl butyral (PVB) or ethylene-vinyl acetate (EVA). This interlayer plays an important role in holding the glass layers together when broken, making laminated glass a reliable choice for safety, structural integrity, and sound insulation. 

Would you like to know how laminated glass is made? In most cases (although it depends greatly on the technology) 

• Glass Preparation: The process begins with two sheets of annealed or heat-treated glass. These can vary in thickness depending on the intended application, from standard windowpanes to heavy-duty architectural panels. 

• Interlayer Placement: A plastic interlayer (typically PVB or EVA) is carefully placed between the glass sheets. This interlayer may also include additional elements like colored films, acoustic layers, or UV filters. 

• Assembly and Pre-Lamination: The glass and interlaye 

• r are assembled into a “sandwich” and passed through rollers in a heated environment to remove air pockets and initiate bonding. This stage is known as pre-lamination. 

• Autoclave Process: The assembled unit is then placed into an autoclave, a high-pressure, high-temperature chamber, where it undergoes final bonding. The heat and pressure ensure a permanent, optically clear, and uniform adhesion between the layers. 

• Cooling and Quality Inspection: After the autoclave process, the laminated glass is cooled and inspected for clarity, strength, and defects. It may also be cut or shaped depending on the project’s specifications. 

Common Applications of Laminated Glass 

Thanks to its unique structure and superior performance, laminated glass is used across a wide range of commercial, residential, and industrial applications. Its versatility makes it a top choice for architects, contractors, and developers seeking both safety and design flexibility. 

Most Common Uses Include: 

✅ Storefronts and Curtain Walls: Offers increased security and impact resistance for high-traffic commercial spaces, while maintaining transparency and aesthetic appeal. 

✅ Windows and Doors: Ideal for residential and commercial buildings in areas prone to storms, earthquakes, or break-ins. 

✅ Skylights and Overhead Glazing: Increases safety in overhead applications, where falling glass could pose a serious risk. 

✅ Interior Partitions and Glass Walls: Combines acoustic insulation and visual separation with a modern, sleek design. 

✅ Glass Railings and Balustrades: Provides structural strength and fall protection without compromising visibility or style. 

✅ Soundproof Rooms and Studios: The acoustic properties of laminated glass make it suitable for conference rooms, studios, and buildings located in noisy environments. 

✅ Transportation and Automotive Use: Widely used in vehicle windshields, public transport, and even marine applications for enhanced passenger safety. 

✅ Banks, Embassies, and Secure Facilities: When combined with specialized interlayers, laminated glass can be used in bullet-resistant or blast-resistant glazing systems. 

✅ Specialty Applications: Including aquariums, museums, display cases, and animal enclosures, where safety, clarity, and strength are critical.