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After the existing windows, dating back to 1862, were given their marching orders due to their poor condition, the timber renovation specialists were drafted in to upgrade the ageing sashes.
As part of a £7.5 million refurbishment across two years, the Grade II listed building, used by the Army Medical Directorate, presented 450 sash windows in dire need of complete renovation and upgrade due to many years of exposure to the elements.
The majority of sashes were one and a half metres tall with larger ground floor windows reaching two and half metres.
The deteriorated condition of both the sashes and frames meant the building was very draughty with many of the windows being rotten and inoperable.
To remedy these problems the rotten timber was routed out of the original box frames, and replaced with Ventrolla’s patented epoxy resin VR90. Preserving the original sash windows was just as important as improving the energy efficiency of the building.
Following this process, the unique Ventrolla Perimeter Sealing System (VPSS) was installed to combat draughts and reduce external noise. The sash cords were then replaced, pulleys serviced and sashes correctly balanced to ensure the smooth and safe operation of the windows. Andy Meachen, Project Manager of the Military Academy, said:
“The service that Ventrolla provided was excellent and we were very pleased with the final result. We have really benefited from the renovation work as the building is noticeably warmer, there are no more draughts and the windows now open easily.”
“We were very concerned about maintaining the aesthetics of the building and being sympathetic to its heritage, Ventrolla managed this beautifully.”
“Due to their professionalism and craftsmanship, we have also asked them to start work on our Old College renovation project too.”
The Royal Military Academy, Sandhurst was founded in 1947 and offers military, practical and academic training.
With over 30 years of experience, Ventrolla offers a tailored range of period window solutions. Their unique service includes draught-proofing with the Ventrolla Perimeter Sealing System (VPSS) and fitting replacement double-glazed sashes that incorporate the patented Sash Removal System (SRS) for easy painting and future maintenance.
They also offer complete new timber windows, secondary glazing solutions and a wide range of window hardware. The company has its head office in Harrogate, North Yorkshire and regional offices located throughout the UK and Ireland.