Cavity Trays 30 degree to 50 degree right hand

Full BBA approved cavity trays with polypropylene plastic and factory fitted code 4 lead flashing. Suitable 100mm block work. pic is of a left hand cavity tray
Cavity Tray 235mm wide
30 to 35 deg - 7 trays per meter
37 to 40 deg - 7.5 trays per meter
42.5 to 27.5 deg - 8 trays per meter
50 deg - 9 trays per meter
cavity trays can be manufactured up 70 deg