Extendor Vertex is a crowd control gate, certified by the LPCB to LPS 1175: Issue 7 SR2 & SR3.

The Vertex has exceeded load tests as specified in BS EN 1991-1-1-2002, and been subjected to 5kN/m perpendicular loading, simulating crowd surge. This emergency escape collapsible grille is suitable for high traffic applications, such as transport hubs, stadia, and shopping centres.