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EXTERNAL ENVELOPE
Proctor Air® M Air® designers, based on
: One year on
ay 2025 marks one year since the A. Proctor Group’s air permeable pitched roof underlay,
, was awarded its BBA certifi cate. Developed
feedback specifi ers and installers – and
combined with the Group’s quarter of a century at the forefront of pitched roof membrane technology – Proctor Air is helping to shape best practice in the UK pitched roofi ng sector. As an air permeable,
Proctor from
risk. Its air permeability means no ventilation measures are required in warm, cold or room in the roof constructions. It also achieves a W1 resistance to water penetration classifi cation and a minimum of 1m hydrostatic head. In its fi rst year, Proctor Air has been widely adopted by the UK pitched roof sector. Notable projects include Hatchmeadow apartments in Northumberland, it featured in a 2500 m2
where replacement low-resistance
(APLR) pitched roof underlay, Proctor Air simplifi es pitched roof constructions. It is one of the highest performing membranes on the market, allowing moisture vapour to escape the roof space and reducing condensation
roofi ng system. Proctor Air helped to protect residents during the work, as the building remained occupied throughout. The completed system stopped leaks that had previously affected some of the apartments.
It has also been used on the prestigious £325m renovation of Manchester Town Hall, which is one of the biggest heritage projects in the UK. The historic roof features many intricate details with limited opportunities to provide modern roof ventilation. Installing Proctor Air meant separate roof ventilation was not required, and there will be no ‘dead zones’
of restricted complex roof. air movement in the
An eye-catching advertising campaign positioned Proctor Air as “the air to the throne” throughout 2024. A triumphant night at December’s Construction Marketing Awards (CMAs) saw judges name the A. Proctor Group as winner in both the Best Product Launch category and the Best Advertising Campaign category. Looking ahead to the rest of 2025, the
A. Proctor Group continues to support specifi ers and installers in adopting air permeable membranes.
Forthcoming developments include new technical guidance on using Proctor Air with in-line solar PV panels.
01250 872 261
proctorgroup.com/products/proctor-air
WWW.ARCHITECTSDATAFILE.CO.UK
ADF JUNE 2025
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