Chichester Festival Theatre

Smoke control

Ineos Power Station

Climate control

Mark Lane

Natural ventilation

Oxford Mathematical Institute

Solar shading

Evelinas Hospital

Louvre

Experts in smoke control, climate control, natural and industrial ventilation, solar shading and external louvres

Colt International Ltd. is a privately owned British company. Our teams provide design support, project management, supply, installation and servicing. We have been contributing to a healthy, safe and sustainable built environment for nearly 85 years.

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Experts in smoke control, climate control, natural and industrial ventilation, solar shading and external louvres

Blog: Seven good practices for pressurisation systems

Here are seven good practices that will help you design an effective pressurisation system.

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Latest news and case histories

CoolStream R - the first ever evaporative cooling standard rooftopNew and improved website for Colt international UK

New and improved website for Colt international UK

Colt UK has launched its new website which focuses on helping customers find the information they are looking for quickly and easily, as well as providing advice, ideas and inspiration.

Colt launches a library of BIM objects

Colt launches a library of BIM objects

Colt is the first supplier of smoke control systems in the UK to provide a library of BIM objects.

Product library

Webinars / seminars

Colt’s presentations have become a popular avenue for people to find out more about a wide range of subjects without having to leave their desks.

Free whitepapers

Free Colt whitepapers

Aiming to inform and educate you, these whitepapers, written by our team of technical experts, are an ideal introduction into some interesting and hotly debated subjects.

Featured products

Coltlite highly insulated natural louvred ventilator

Coltlite natural louvred ventilator

The Coltlite window louvre is a natural louvred ventilator for installation into the façade for both day to day and smoke ventilation. It can provide an elegant means of providing ventilation.

FM-1 automatic fire curtain

FM-1 automatic fire curtain

The FM1 is an electronically-operated fire curtain that seals off an area which is on fire, thereby preventing fire from moving from one area to another.

CoolStream S evaporative cooler

CoolStream S evaporative cooler

CoolStream S provides low-cost adiabatic / evaporative cooling and ventilation principally for larger industrial and commercial premises, hygienically tested and certified to VDI 6022.

Universal Louvre

Universal Louvre

Louvre systems are popular with designers for many applications. Their purpose can be to control light entry, provide ventilation whilst maintaining rain defence, to provide screening, or a combination of these.

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