Dampers and Doors

Smoke shafts typically extend the height of multiple floors in a building and the size of the vent openings introduces a safety issue. It’s important to ensure that grills and fall arresters are installed as required to prevent accidental falls.

There’s no standard size but the most common sizes are below. Dampers – 800w x 1920h Doors – 1000w x 1500h Shaft – 850×1800 or 1000m x 1500m throat size