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The Global Family Business Champions

Permasteelisa Group Slimline Closed Cavity Facade (CCF) Technology



Permasteelisa Group, the leading international façade specialist, has launched a new Slimline Closed Cavity Façade (CCF) technology that is set to transform projects by freeing up net internal area (NIA), reducing embodied carbon and improving shading.

The new Slimline CCF retains all the benefits of traditional CCF glazed units in terms of reducing heat gain and providing high transparency. However, at almost half the depth – similar to a single-skin wall – it offers an exciting new option for architects, developers and contractors keen to maximise the NIA of a building.

Key innovations include a coating on the outer pane, which reduces heat gain and significantly limits the amount of time blinds need to be closed during office hours.


A new slimline Venetian blind system with integrated motor – just 25mm deep, compared to the current 60 or 80mm – is available in a variety of colours. The use of low-carbon glass and aluminium, combined with reduced material requirements, creates a similar embodied carbon baseline to a single-skin façade.

Jalal Fitoury, CEO for Europe, says:

“We are delighted to unveil our Slimline CCF technology. This is an exciting addition to the bespoke façades we offer clients and an evolution of the original CCF technology."

“Balancing floor-to-ceiling transparency with strict embodied carbon and energy performance targets, particularly when developing high-end commercial buildings, is a growing challenge."

“Our Slimline CCF provides a high-performance, dynamic façade solution that addresses these issues while also allowing developers to maximise their net internal area."

“We are already introducing architects and developers to this exciting new technology, which is proving to be very interesting to them when considering projects in the pipeline.”

Permasteelisa Group is the leading international façade specialist. The company employs 2,000 people across four regions – Europe, North America, Asia Pacific and the Middle East. It has shaped the skylines of cities across the world, completing over 3,000 projects.

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