* Integral pitch marks located on the back of each tray, these help easy and quick installation and avoid incorrect positioning. * 140mm up-stand meets or exceeds the requirements of BS EN 1996-2, BS 8215, and NHBC Standards. * It is self-supporting, enabling the trays to be used with cavities of any width from 50mm upwards and it does not need to be tied to the inner leaf. * The unique integral weep discharges on to the roof slope to meet the requirement of BS 8215 * Fleximouth mortar barrier a

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