This problem is often encountered, for example, in buildings where there are external walkways and the walkway is the escape way and therefore require a fire limiting structure without openings where fire can spread.

The FB Façade Vent solves this problem by offering both venting and fire rating. This is the best and cheapest method to fulfil the requirements for the fire rated construction.

In fire rated walls a conflict between venting and fire protection often occurs because venting is required or desired, but openable windows will compromise the fire rating of a wall.