Technical Booklet V Glazing·Page 12·2.4

Glazing requirements for doors and door side panels

Glazing in doors or door side panels with pane width exceeding 900 mm must meet higher impact standards: Class 2 of BS EN 12600 for glass or Class B of BS 6206 for plastic materials.

Where the glazing is installed in a door or a door side panel and has a pane width of more than 900 mm, it should satisfy the test requirements of – (a) for glass, Class 2 of BS EN 12600; or (b) for plastic glazing sheet material, Class B of BS 6206.

Source — /Users/richardhill/Documents/planning-arch-project/data/documents/regional/Technical Booklet V - Glazing.pdf