Approved Document B (Fire Safety) requires that AOV’s (Automatic Opening Vent) and OV’s (Opening Vent) are provided to common corridors and stairs in apartment buildings to help maintain tenable conditions for means of escape in the event of fire.

A full range of Powrmatic Louvred and Flapped AOV’s, Glazed Louvred AOV’s , Smoke Shaft Dampers and controls for residential applications ensures that safe means of escape are maintained and regulatory requirements are met in High Rise Apartment Buildings.