Kilargo IS4015 Fire Door Threshold plateKilargo IS4015 heavy duty, low profile threshold plates are used in conjunction with other Kilargo door bottom seals to help prevent rain infiltration, draught, and smoke penetration Key Benefits The 6mm low profile height design ensures compliance with the access for people with disability requirements, AS1428. 1 and BCA D3, particularly for wheelchair traffic Kilargo IS4015 threshold plates have a durable, anodised finish and are supplied with PVC