Laminated glass.

Laminated glass consists of the joining of several glass sheets of any thickness, by means of intermediate films made with translucent plastic materials. These films are mostly made of polyvinyl butyral (PVB), ethylene-vinyl acetate (EVA) and UV-activated resins, or simply a mixture of their ingredients.

These films can be transparent, translucent or coloured (sometimes the colours may have been applied directly to the interlayer, although it is the sheet that is usually coloured) and include practically everything: patterned paper, LEDs, fabrics, etc. They can also receive acoustic and solar control treatment.

Laminated glass properties.

Its most remarkable property is that, in case of fracture, the plastic film prevents glass fragments from shattering. This considerably improves its mechanical performance in case of impact and avoids the danger of glass splinters being released. This is possible thanks to its sheets or thickness (PVB).

The greater the number of sheets, the safer it is against intrusion, dramatically increasing safety for people and objects under the roof. The UNE-EN 356 standard classifies these glass sheets in a scale comprising different levels, depending on their resistance to impact.

Laminated glass is also known as safety glass, although this is just one of the types on the market and not all safety glass (such as tempered glass) is necessarily laminated.

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