Smartlouvre Technology

Metal Fabrics

Microlouvre Koolshade® metal fabric is only 1.55mm and each louvre measures only 1.25mm x 0.30mm, as thick as a human hair. The fabric has an open area of 80% and weighs just over a kilo per square metre unpainted.

Multiple performance benefits

Its multiple performance benefits operate simultaneously and in combination, making it the best shade, light and glare solution for a multitude of sectors from sun control to lighting.

The micro louvres can be angled between 0° - 16° but for vertical solar shading uses, the fabric is woven at an optimum 17°. A low sun angle fabric is also available.

control solarheat gain

Control solarheat gain

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Perfect vision out

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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

fire proof and non combustible icon

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

How it works

Our technicians weave metal wire and louvres to create a high-performance metal fabric. The louvres are micro fine, and angled at a level to ensure optimum light in, and visibility out, whilst blocking heat, glare and even external viewing in. It’s known as angular selective technology.

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How it’s made

Microlouvre Koolshade® is woven from corrosion-resistant, non-combustible, recycled copper alloys (bronze), making it a highly durable and long-lasting, environmentally friendly product. Whether your project is for solar shading, privacy, or lighting, Microlouvre Koolshade® comes in a wide variety of colours, sizes, and installation options to fit your specific requirements.

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Metal fabric key information

Metal fabric

Copper alloy



Dimensions (coated)

Fabric thickness O/A: 1.55mm (0.061)

Weight (nominal): per Sq m 1.1kg (2.43lb)

Fire rating

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

Metal fabric standard widths

1250mm (49 3/16”)

1555mm (61 ¼”)

1872mm (73 11/16”)

Standard roll lengths

20 – 30 mtrs (67-100’) nominal

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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thorpe park

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 Koolshade® 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.

IFC group logo

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.

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When tested at Fraunhofer, results confirmed Microlouvre Koolshade® 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.

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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® 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

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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