Watch a short video about the benefits of Thermal Shield from its inventor, Adam Dudley.

Benefits of Thermal Shield

Older properties don’t have to be colder properties with unrivalled heat retention and noise reduction

Rooms are warmer and quieter with Thermal Shield, reducing energy costs by 32-45%. An independent and detailed analysis conducted by scientists at Edinburgh Napier University found significant reductions in heat loss and street noise. Thermal Shield has industry-leading U-values.

For residential and commercial properties

Thermal Shield is suitable for all residential and commercial properties such as hotels, museums, educational, offices and healthcare premises.

View technical information

Architecturally sensitive

Thermal Shield is discreet, allowing your building to retain its original appearance and character.

Industry leading heat retention

Thermal Shield delivers excellent heat retention versus untreated windows, saving money on heating bills.

Unrivalled heat retention and noise reduction

Architecturally sensitive solutions

With Thermal Shield, your home will lose none of its architectural integrity, meeting the requirements of historic bodies. Available in all RAL colours too.

Elegant functionality

Internal shutters are fully functional, thanks to the patented Thermal Shield system.

Security and peace of mind

Windows can be opened to ventilate the room and remain secure from the outside.

Easy access for cleaning

Access to the primary window is easy and safe for opening and cleaning from the inside, thus complying with building regulations.

About Thermal Shield

Thermal Shield brings warmth, comfort, security, and noise reduction to period properties.

Developed in consultation with Historic Scotland and the City of Edinburgh Council, Thermal Shield is the ultimate secondary glazing system for period properties. Thermal Shield is the only award-winning solution for listed buildings.

Thermal Shield is the ideal solution for pre-1920’s buildings which are hard-to-treat. The patent for Thermal Shield was granted in 2014.


Thermal Shield was developed by Adam Dudley, a senior conservation architect and a Fellow of the Royal Incorporation of Architects. Adam spent two years developing and piloting Thermal Shield in Edinburgh and Glasgow, working closely with Historic Scotland, Edinburgh City Planning Department, and Castle Rock Edinvar Housing association, winning several awards for his work along the way.


Carbon Trust

Low carbon building of the year 2012.

Renewables Awards

Shortlisted for Renewables Awards energy efficient project of the year 2012.

The Green Apple Awards

Winner of the Scottish Green Apple Champion Award 2013 and winner of Scottish Green Apple Award 2013.

Ends Green Economy Awards

Ends Green Economy Awards finalist 2013.

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