Toughened Glass Roof Glazing

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Toughened glass roof glazing.

Toughened laminated glass is similar to annealed laminated glass but the sheets of glass that are laminated together have been toughened and heat soak tested. Generally two sheets of toughened glass provide the most economical solution for domestic projects where the rooflight is no more than 5m above floor level. If the glass roof forms part of an accessible area it must be treated as a glass floor. If the glass roof forms part of an accessible area it must be treated as a glass floor.

This glass has all the benefits of toughened glass but without the risk of pieces of glass falling from the roof light if one or both of the sheets of glass in the laminate break. For double glazing the lower pane should be one of either pilkington optilam or pilkington pyroshield 2 and the upper pane need not be a safety glass. The inner pane may be toughened or laminated depending upon location and height above ground. Pilkington toughened glass ths is the heat soaked form of pilkington toughened glass for those applications where a reduction in spontaneous fracture is advantageous such as structural applications barriers and roof glazing.

Contact us about glass roofs. Laminated safety glass is often recommended for roof glazing although toughened glass is sufficient for some overhead glazing applications. The regulations allow the use of toughened glass overhead however if toughened glass is used as the lower pane then a safety glass must be used in the upper pane.