Stairwell natural louvred ventilator

A louvred ventilator, installed onto a roof or into a wall, designed to provide heat and smoke exhaust ventilation in protected stairwells within residential apartments, hotels, shops and offices. It is principally applied to protect means of escape for occupants and to create a safe means of access for firefighters. The ventilator can be installed vertically or horizontally and can be used as a corridor ventilator.

It conforms to EN 12101-2 and is CE marked. It has an open area of at least 1.0 m² in accordance with the requirements of Approved Document B to the Building Regulations and BS 5588.

A stairwell ventilator should be controlled by a clearly visible manual switch at the top of the stairwell and close to the final exit from the stairwell. The optional break glass switch or fireman's override switch are recommended for this.

Features and benefits:

• Certified performance - Stairwell can be used for applications in BS 5588 Parts 1,5 & 6. It opens in a failsafe manner on loss of power, and has been tested and is CE marked in compliance with EN 12101-2.

• Many options - Polycarbonate and glass versions allow the entry of natural daylight. There is a wide range of louvre types, accessories and finishes.

• High performance - Stairwell is aerodynamically efficient and has a high resistance to weather.

• Easy to install - Stairwell is delivered fully assembled to site and may be installed at any angle from the horizontal to the vertical. It has a wide range of base profiles to suit all sheeting, curb or glazing applications.

• Durable - Stairwell is manufactured from tough, corrosion resistant aluminium alloy, grade 3005 in accordance with EN 573-3, with stainless steel fixings. Louvres pivot on double nylon UV- resistant bearings.

• Quality of manufacture - Stairwell is manufactured under the ISO 9001 quality standard. Each unit is given a functional test before despatch.