GDL Air Systems

Manufacturers of Quality Ventilation, Air Conditioning and Architectural Products.


GDL ensure our customers are supplied with the choice of products most suited to their requirements.

Custom Solutions Await

Your unique project needs a tailored approach. Connect with us to design a system that fits your requirements.

Service Excellence

Ensure your air systems run smoothly. Ask about our maintenance and support services to maximize system longevity and performance.

Go Bespoke

Looking for a competitive product quote that comes with a tailored manufactured service? Get in touch to explore our pricing options.

Air Distribution Specialists

GDL Air Systems

GDL offers a vast wealth of experience in technical, manufacturing and product development fields, ensuring our customers are supplied with the choice of products most suited to their requirements.

Our comprehensive regional sales representation across the UK and Ireland offers a wealth of expertise and knowledge across our entire product range.

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A way to find, select and specify GDL construction products for your next project.


GDL has serviced the built environment industry for more than 3 decades; working with designers, architects and contractors across the UK and overseas.

Servicing the

Built Environment

GDL is a privately owned manufacturer and supplier of a large range of louvre systems, air diffusers, grilles, natural ventilation systems, brise soleil and dampers.

Architectural Doors

For intake or extract air, the louvre doors are available in 50mm pitch or 75mm pitch blades and in single or double leaf.

Penthouse Turrets

GDL Intelivent Roof Turrets are designed to offer a balanced supply of fresh air whilst also having the ability to remove warm stale air.

Acoustic Weather Louvres

For supply or extract air, designed to attenuate medium and high frequency noise

Cladded Louvre Systems

Louvred effect cladding panels can also be supplied with active sections where ventilation is required.

Brise Soliel

We have developed a range of standard and bespoke horizontal fixed systems and vertical solar systems to enhance and shade all building types.

Balustrade Systems

GDL Manufacture a range of aluminium balustrade systems to standard or bespoke designs.


Our grilles have high quality paint finishes and accessories to suit your individual requirements.

Louvre Screening

The louvre blade is snapped into position via the sprung blade clip fitted onto the rear mullions giving an attractive, continuous appearance.

Architectural Weather louvres

Larger areas can be covered using multiple panel louvre assemblies which incorporate narrowline visible mullions.


We offer a complete package by designing and installing metal flashings, trims, soffits and fascias.

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Made in UK

GDL Products

All of our 3000+ products are proudly made right here in the UK, either at our lead factory in Glossop or over at our Sheffield facility.

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GDL New Website

The new GDL Website

We realise that a first impression is key when visiting a website for the first time, we've made some changes.

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To supply the highest quality products.

Fair Prices

A fair and consistent price on our full product range.


Dedicated technical support and industry expertise.


100% commitment to customer satisfaction.