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Smoke Vents

Welcome to The National Domelight Company's specialised Automatic Opening Vent website.

The National Domelight Company are specialist suppliers of AOVs, Smoke Vents, Roof lights and Skylights to roofing and building contractors, to developers of commercial and residential property and to the private individual. Our large warehouse and stock promise you the shortest possible lead times and our FREE nationwide delivery service means your rooflight will be safely delivered just when it’s needed.

Click on a product below for more information, or if you would like assistance at any time please don't hesitate to call us on
01276 451555 or you e-mail us at

Double Pitch AOV
140° Opening AOV
90° Hinged AOV
Louvred AOV

The information within this website is to be used as a guide only and is subject to change without prior notice. Whilst we endeavour to keep the information up-to-date and correct, we make no representations or warranties of any kind about the accuracy or suitability of the information provided. If you would like assistance at any time, please don't hesitate to call us on 01276 451555 or you may e-mail us at To see the full range of rooflights available including the smoke vents listed on this website, please visit our main rooflight website at