Smartlouvre Technology

Koolshade® screens

Woven in the UK, Koolshade® is the world’s thinnest and lightest louvre system

Intentionally designed to be installed passively on the building facades, Koolshade® absorbs and dissipates solar heat, rather than inefficiently reflecting sunlight like many current forms of solar control. Koolshade® screens also provide protection and privacy from the outside whilst maintaining perfect vision out and providing 100% pure, full colour rendered (CRI) daylight for the occupants.

Standard framing options

The standard framing is anodised or polyester powder-coated aircraft-grade aluminium. The corners of the frames have concealed internal reinforcing members inserted to secure all corners neatly and firmly together. Top and bottom frames are pre-bowed to reduce deflection to a minimum due to screen tension. All fasteners, anchors and hardware are made of robust, corrosion-resistant materials. The frames are designed to receive continuous anti-vibration wedges on each side, all correctly assembled to ensure tautness to maintain panel integrity, even at wind speeds more than 100mph.

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Control solarheat gain

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Unobscured outward visibility

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HVAC savings

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LED glare control

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Beam control and light direction

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Lightweight and easy to install or retro-fit

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Fire proof and non combustible

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Hurricane and wind proof

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Bespoke configuration

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Insect and pest control

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No maintenance / easy to service

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Directional privacy

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Metal fabric key information

Metal fabric


Screen Frame

Aircraft grade Aluminium (or other material to suit application)

Frame dimensions (maximum standard screen sizes)

W 1200mm x H 1800mm (5.2kg)

W 1400mm x H 2400mm (8.2kg)

W 1600mm x H 2000mm (7.8kg)

W 1800mm x H 3000mm (13.0kg)

Fire Rating

A1/A2-s1,d0 : BS EN 13501-1:2007 +A1:2009

Clear open area by volume


Openness factor


Datasheets and drawings

To access the datasheets, drawings and other technical documents, visit our resource centre where you can read in depth further product information, technical data and installation guides

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Main Applications

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Solar shading

Microlouvre Koolshade® provides unrivalled control of heat gain to reduce inside temperatures in peak heat seasons.

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Lighting solutions - Anti Glare and Diffusion

MicroLouvre® creates directional light diffusion, source concealment and glare control.

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Certified in efficiency and efficacy

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Building Research Establishment (BRE) wind tunnel tested MicroLouvre® screens from different angles and proved it to be indestructible at winds exceeding 100mph/160 kph/46 metres per second.

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The Berkeley Lab included Microlouvre Koolshade® in a major research project for PG&E. With Microlouvre Koolshade®, daily cooling loads were reduced by 68% on sunny days when compared with dual pane, high performance solar control glass with an internal blind.

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The IFC Group have confirmed Microlouvre Koolshade® to be A1/A2-s1,d0 : BS EN 13501 Fire Rating, making it one of very few passive and dynamic external sun and solar heat gain blocking systems compliant for use on high rise buildings.


When tested at Fraunhofer, results confirmed MicroLouvre® as the most comprehensive solution for Thermal and Visual Comfort in one system.

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Smartlouvre Technology Limited is an ISO: 9001 2015 Accredited Quality Management company.


Microlouvre Koolshade® has been extensively modelled using computational fluid dynamics (CFD) in SimScale.

Test certifications

Download and read all our credentials and certifications from our resource centre.

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Use Cases

Victory Boulevard

Our Microlouvre Koolshade® ultra-thin metal fabric louvres were integrated into the units and permitted optimum light transfer, ensuring high energy efficiency, which is key to any lighting strategy.

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Commonly asked questions about Microlouvre Koolshade®

Why is Microlouvre Koolshade® the best in class for Solar Shading, Thermal, Visual and Environmental Comfort?

What ongoing maintenance does each type of solar shading system need?

Does dynamic solar shading work better than a manual or fixed solution?

Why do I need a solar shading system if I have solar control glass or a window film?

How does each type of solar shading work?

Manufacturers of high quality sustainable louvred metal fabrics for multiple applications.

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