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  • AOV stands for Automatic Opening Vent, and is designed to assist with the natural extraction of smoke from a building during the event of a fire. When using AOV rooflights smoke is not extracted by mechanical means; they are triggered by fire alarm systems and open to a prescribed angle so that smoke can be naturally vented to the outside. This significantly improves the life safety protection of the building and reduces the consequential financial losses caused from smoke damage.

    View our range of rooflights and roof windows available to purchase online here.