Louvres, Hatches, Dampers and Windows


Email info@smoke-vent-systems.com or call now on 01425 473537

We supply louvres, hatches, dampers and windows for all types of SHEV and natural ventilation applications. We are specialists in offering off-the-shelf standard size ventilators and made to measure units for new build and refurbishment projects. These products should be installed and tested by a qualified electrician or competent professional. Please check out our gallery below for more information. You can click on an image to enlarge it, or click on a product name to find out more information.

140 Degree Opening Smoke Hatch

160° Opening Smoke Hatch

Our smoke hatch ventilators are for smoke clearance of staircases, smoke shafts and lobby areas.  Fully certified to EN12101-2, our hatch ventilators comply with the latest regulations and opens to a maximum of 160°, each with a perspex lid to allow natural light through. The hatches are sold as smoke ventilators sized at 1sqm for staircases, or 1.5sqm for head of shaft ventilation.

SmokeJet installed in Shed Type Roof

Smokejet Louvre Ventilators

The SMOKEJET is a louvre ventilator which, in addition to its function as a smoke and heat exhaust ventilation system, can also be used as a natural ventilation unit. For the infill of the louvres, you can choose between aluminium, glass and PC. Can be installed in Flat roof, Saddle and Barrel skylight strips and Façade applications.

Velux Flat Roof CSP Smoke Vent Window

These VELUX flat roof window CSP effectively removes heat and smoke. This is a double glazed flat roof smoke ventilation system with laminated glazing and a polycarbonate cover. The smoke ventilator shown offers an area of 1.30m2 smoke free ventilation but other sizes are available. External frame size of 138cm x 138cm. Tested and certified to EN ISO 12101-2.


XVent Glazed Roof Smoke Vent

The Xvent is an opening rooflight designed to vent smoke as an Automatically Opening Vent (AOV) and to provide day-to-day ventilation. The lid opens to an angle of 45° for ventilation, and to 140° when triggered by the fire alarm system. The Xvent has been designed and tested to EN 12101-2:2003

Multijet Ventilator

The Multijet is a fully weathered ventilator specifically developed for smoke and natural ventilation for industrial applications for protection for buildings, occupants and contents. The Multijet can also be supplied with optional polycarbonate blades allowing it to act as a source of natural daylight. A sustainable, low energy consumption ventilator making it an economical and affordable option.

Stirling Casement Ventilator

Stirling Ventilator

The Stirling ventilator (SHEV) can be fitted both vertically and horizontally.  Various flanges are available to allow integration with non-glazed composite structures and integrate with modern curtain walls and other forms of structure. Can be naturally anodised or painted to any BS or RAL colour required. Tested to BS EN12101-2 for use as a smoke ventilator

Velux Centre Pivot Smoke Vent Window

VELUX smoke-ventilation roof windows for sloping roofs with integrated motor are CE-marked in compliance with the European standard for smoke and heat exhaust ventilators EN 12101-2

Fakro FSR Centre Pivot Smoke Vent Windows

These Fakro FSR centre pivot smoke vent windows have an installation range of 15-90°.This smoke ventilation window has been manufactured and certified according to harmonised standard EN 12101-2:2003.

FLW32 Louvres Opened

Louvred Glazed Ventilator

The FLW 32 is the latest in the line of products developed by Fieger and is characterized by a number of improvements on the best-selling FLW 28 system. The FLW 32 features either double or triple-glazed louvres, which can be used to meet both day-to-day natural ventilation and emergency smoke control requirements.  The option to use triple-glazed elements together with insulated framework means that very low U-values can be achieved

Mercor Bottom Hung Windows

Mercor smoke exhaust windows are automatic natural smoke exhaust devices. Smoke exhaust windows are used to remove smoke, fire vapours and thermal energy from confined spaces to the outside of a given building in order to contribute to protection of people and property. MCR OSO THERM windows can also provide air supply in natural smoke exhaust systems. Additionally, they can be used for ventilation purposes. MCR OSO THERM windows are CE Certificated to conform to the EN 12101-2:2003 

Wall Opensky Ventilator

Wall Opensky Ventilator

We can supply louvred smoke ventilators for smoke clearance of staircases, smoke shafts and lobby areas. The ventilators comply with the latest regulations and we can issue a copy of the test certificate upon request. The louvred smoke ventilators are sold sized at 1.0sqm for staircases or 1.5sqm for head of shaft ventilation, and can be fitted with perspex blades to allow natural light into the stairwell.

Advantage smoke shaft damper

Smoke Shaft Damper with decorative grill

Avantage smoke control dampers are noted for their superior airtight properties, fire-resistance of 60 to 120 minutes and low pressure loss. Developed in accordance with EN 12101-8 and tested according to EN 1366-10. CE Marked. Available as single (1V), double (2V) shutter units and a motorised version (MP). Suitable for use in ventilating protected lobbies, venting to shafts either naturally or mechanically for fan assisted shaft extract and pressurisation systems

Smoke Shaft Single Leaf Vent Door

These Smoke Shaft Vents open to 90 degrees in under 60 seconds to provide 0.6m2 and 1.0m2 free vent area for use with natural smoke shaft installations. They may be installed vertically into a variety of walls and their design provides a flush, unobtrusive finish. Shaft Smoke Vent Door are manufactured from steel, fully welded with full length concealed piano hinge and are supplied paint-ready or powder-coated.

Roof Lantern

Roof Lights & Lanterns

We offer a range of roof lights and lanterns suitable for all types of flat and pitched roofs. Made of aluminium with a polyester powder coat with a life expectancy of 25 years. Available as either a dome or a pyramid glazed using Makrolon Mono Longlife UV resistant polycarbonate sheet, which comes with a ten year warranty on breakage, excessive yellowing and loss of light transmission. Our range of roof lights and lanterns can be fitted with an opening vent using an actuator.