Laminated Glass Roof Thickness

Pvb laminated is the more commonly used variety.

Laminated glass roof thickness.

The pvb layer makes the windshield shatter proof which is essential for the safety of the driver and the front passengers. In fixed and opening roof lights 4mm thick glass is just not sufficient and you should insist on 6mm in any glazed roofing product. Laminated glass is constructed of two 1 8 2 3 mm thick sheets of glass with a very thin layer typically 0 76 mm thick of polyvinyl butyrate pvb in between. There are two types of laminated glass.

The vast majority of roof lights on the market rely on 2 toughened glass panes however at eos we feel a minimum outer pane of 8mm toughened and 8 8mm inner pane of laminated glass offers significant safety and security benefits. Two or more sheets of glass are bonded together with one or more layers of polyvinyl butyral pvb a plastic interlayer in sheet form. The length scale chosen for calculation purposes was set at 1 m the support rolls span in the four point bend test. The reason laminated glass skylights are preferred is.

The most economic glass tends to be 4 6mm thick which rarely can be installed wider than 1000mm hence most domestic roof lantern and conservatory installation featuring glazing bars every 600 to 900mm. 4 63 mm annealed glass 0 76 mm dupont sentryglas plus 4 63 mm annealed glass total laminate thickness 10 02 mm. However with the current trend for flat rooflights single pane rooflights can be installed up to 3m x 6m in one pane of glass. Pvb laminated and cast resin laminated glass.

Pvb laminated safety glass. Posted july 18 2018 filed under roof installation roofing news. Skylights are typically available as laminated glass skylights or tempered glass skylights.