Repairing Windshields: Prerequisites

Fig 1: Identifying Field Of Vision & Area -2- On Windshield

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• The damaged area must not lie within the direct field of vision -1-. This field equates to a 29 cm wide strip (standard A4 horizontal) central to drivers line of vision looking forwards, limited at top and bottom by swept area of wiper arm.
• The cracks radiating from the damaged area -2- must not be longer than 50 mm and/or not run outwards to the edge.

Fig 2: Identifying Windshield Layers

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• Diameter of damaged area -1- not larger than 5 mm.
• Intermediate foil -2- or inner glass -3- must not be damaged.
• There must be no dirt or moisture in area of lower cracks.
• Therefore the time elapsed since the damage occurred must not be too long.

Repair of the following damage is permitted provided that it does not lie within the field of vision or window edge area:

Fig 3: Crater

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Fig 4: Combination Break

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Fig 5: Star And Crack

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