Sheerline for Fabricators

Easy to fabricate, high quality aluminium products offering class leading performance

Sheerline’s patented corner construction method creates windows and doors that are more efficient to manufacture, cutting down on wastage, optimising labour costs while also improving quality. All delivered with industry leading service.

Fabricator Benefits
Efficient Fabrication

Our patented corner assembly method allows windows to be made on one bench, once cutting and milling has taken place, saving time. Scrap levels are also drastically reduced, saving you money.

Faster installation

Our ultra slim Classic system features beadless glazing, removing the need for onsite wedge gasketing, helping installers get installations done in record time, and eliminating missing glazing issues. A host of other features including our patented corner technology also drastically cut down on remedial site issues.

Reduced stockholding

All our systems share common components and are designed with consistent aesthetics and features, vastly reducing stock holding requirements and leading to exceptional product performance.

Reliable supply on shorter leadtimes

With an integrated system design and our own UK based manufacturing, Sheerline products are available on five day leadtimes from our range of 12 stocked colours - even on dual colour specifications. Bespoke colours and finishes are also available on a 10 day leadtime.

Outstanding thermal performance

Sheerlines Classic double glazed windows, with standard high performance glazing have a U-value as low as 1.4 W/(m2K). While our Prestige windows are as low as 1.0W/(m2K) when specified with triple glazing, also achieving an A+ WER (Win- dow Energy Rating)

Colour range

All our windows and doors are stocked in eight powder coated matt colours, as well as a high gloss white, with the option of choosing a different colour for the interior on standard leadtimes. A further three anodised finishes are available for the ultimate durable and stylish finish. Bespoke colours are also available on 10 days lead time.

Unique construction

Our patented corner jointing method does away with the need for crimping and specialised machinery, drastically reducing waste while also speeding up manufacturing. With windows being able to be manufactured on a single work bench with minimal training.


Our unique Thermlock® closed-cell, insulating chamber, hidden away inside every Sheerline window and door act as a thermal break, creating products with class leading thermal performance.

Sheerline’s cills, ancillaries and corner posts, also feature this same technology coupled with innovative in-built weather sealing that keep draughts and rain safely outside.

No element of the Sheerline system has been overlooked, which helps eliminate any condensation issues caused by cold bridging.

Beautiful, adjustable corners

Slim 59mm sightlines complement run through mitres on internal joints, doing away with unsightly junctions of square cut beads.

Our unique corner system also helps prevent stepped frames and removes the need to cut through the bead pocket to install locks.

Made in Britain
Fabrication benefits
Classic window assembly
Georgian Bar Fabrication
Manufactured without compromise
Designed, made and delivered by Sheerline

Manufactured in the UK, we design and make every aluminium and moulded component so we have the control to offer unbeatable and responsive service.

Technical and Marketing Support

Our experienced team of Technical Sales Managers are available to provide guidance and resolve any queries or issues that arise, as well as providing practical help during setup. A full range of marketing and sales support is also on hand to help you make the most out of the Sheerline range of products.

Research and Development

Our team have investigatied the limitations and flaws of current designs in fabrication, installation and sales, developing innovations to overcome them – and the limitations and frustrations of aluminium supply.

They examined every aspect of aluminium windows and doors from performance and looks, to how they’re made, installed, and supplied. They’ve re-engineered the aluminium window from the ground up – and every component of the system has been developed in-house to be made in house. The Technical team consists of 6 full time staff with a combined window experience approaching 200 years.

Get in touch
Find Out More

Please contact us for more information about the Sheerline range of windows and door systems, and for details of how it can help your business.

Contact us