02392 451111
info@coltinfo.co.uk

Natural flap ventilators

< back to all products

Apollo natural flap roof ventilator

Apollo natural flap roof ventilator

Apollo provides smoke control ventilation and is generally installed onto roofs providing high-level extract.

Apollo ATI natural flap roof ventilator

Apollo ATI natural flap roof ventilator

Apollo ATI can provide full smoke extraction through its top flaps and is generally installed onto roofs, providing high level extract.

AXS 140 combined AOV smoke ventilator and roof access hatch

AXS 140 combined AOV smoke ventilator and roof access hatch

AXS 140 is for use as a staircase ventilator, roof mounted lobby/corridor ventilator and to provide external roof access.

Firelight natural flap ventilator

Firelight natural flap ventilator

Colt Firelight is a natural casement roof ventilator, providing smoke control with a single flap.

Firelight Duo natural flap ventilator

Firelight Duo natural flap ventilator

Firelight Duo provides smoke control ventilation using two flaps.

Kameleon natural casement facade ventilator

Kameleon natural casement ventilator

Kameleon glazed natural casement ventilator, suitable for day-to-day and smoke ventilation through the façade. 

SiteGuard anti-fall through guard

Securex Explosion Relief Ventilator

Securex is an explosion relief ventilator, designed to minimise the effects of an explosion on the structure of a building.

SiteGuard anti-fall through guard

SiteGuard anti-fall through guard

A safety guard developed to prevent a person from falling through natural ventilation shafts. Suitable for new installations and retrofits.

Weatherlite ventilated upstand

Weatherlite ventilated upstand

Suited to most industrial buildings, Weatherlite provides continuous weatherproof ventilation through its two controllable side dampers.

Subscribe to the blog

© 2025 Colt International Licensing Limited. - People feel better in Colt conditions