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.

Roof Opensky Louvred Ventilator

Roof Opensky Louvre Ventilator

Roof Opensky Louvre Ventilator is a cost effective and energy efficient smoke and natural ventilator for use in Smoke and Heat Exhaust Ventilation (SHEV). Opensky can be roof or wall mounted for exhaust or air inlet. The system offers effective fire safety with units tested to EN12101-2 for use as smoke ventilators. The roof Opensky can also be supplied with a hinged base which can be utilised as an access hatch.

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.


Stirling Casement Ventilator

The Stirling smoke and heat exhaust ventilator (SHEV) opens to 140 degrees within a 60 second period and is tested to BS EN12101-2.  It  meets the need for 1.0m2, 1.5m2 and 3.0m2 automatic opening vents (AOV\’s) and can be fitted both vertically and horizontally. Easily extended and adapted to integrate with all types of modern structures. Can be naturally anodised or painted to any BS or RAL.

Ultrasky Glazed Natural Smoke Ventilator

Ultrasky Glazed Ventilator

Ultrasky is a high quality glazed natural ventilator designed for both smoke and natural ventilation requirements. Its extremely low air permeability, low profile and aesthetic features offer the ideal solution for modern buildings. Ultrasky has been specifically designed for seamless integration into inclined and vertical glazing systems making it suitable for installation at almost any gradient.

Multisky Ventilator

Multisky Ventilator

The Multisky is a fully weathered ventilator specifically developed for smoke and natural ventilation for industrial applications for protection for buildings, occupants and contents. The Multisky 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.

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 (ME). 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.