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About Us

Aperture Group is the UK’s leading supplier of high-quality products to the fenestration industry, known for market-leading products including WarmCore, Calibre Doors and Global.

We have come a long way from the PVC-U extrusion company we started as, now offering one of the widest product ranges available across our six UK manufacturing sites.

We continually invest in and enhance our extensive product range to deliver the most innovative, efficient and competitively priced products which add value to our customers’ businesses.

We want to be the first choice for our customers across our core product ranges, helping them to grow their businesses with first-class products that make a real difference.

Latest News

Read the latest news from across the Aperture Group including recent product launches, new appointments and the latest installations.

Careers at Aperture

If you’re looking for a fast-paced, dynamic working environment then get in touch to find out more.

Terms & Conditions

Please read our Terms & Conditions to fully understand your rights as our customer.

Privacy Policy

Aperture Group is committed to protecting your privacy.

Returns Policy

In the unlikely event that something goes wrong with your order our returns procedure has been designed to resolve problems quickly and easily.

BSI Kitemarks

The BSI Kitemark™ is one of the most recognised symbols of quality and safety.


Aperture Group products are all independently tested and certified to the British Standards Institute (BSI) and the British Board of Agrément (BBA).

Environmental Statement

Aperture Group ensures all company environmental management systems exceed government mandate.

Modern Day Slavery Act 2015

Aperture Group is committed to preventing slavery and human trafficking