How downdraught spraybooths work

A downdraught spraybooth is designed to deliver clean, controlled airflow from ceiling to floor, drawing overspray and contaminants away from the painted surface.

Air is introduced evenly through the roof plenum and extracted at floor level, creating a stable, vertical airflow pattern that supports consistent, high-quality finishes. This configuration is widely recognised as the benchmark for paint application in professional bodyshops.

Choosing the right airflow configuration

At STL, we don’t take a one-size-fits-all approach.

Our team works closely with each customer to assess workflow, throughput, available space and site constraints before recommending the most suitable airflow solution, whether that’s downdraught, rear extraction, side extraction or a hybrid configuration. The result is a spraybooth layout that delivers the right balance of finish quality, efficiency and practicality for your operation.


Why choose a downdraught spraybooth?

Downdraught airflow is proven to deliver superior finish quality, cleaner working environments and efficient booth performance.

Superior finish quality

Vertical airflow removes overspray quickly and evenly, reducing contamination and delivering consistent results.

Cleaner working environment

Contaminants are drawn away from the vehicle and operator, improving visibility, safety and working conditions.

Consistent airflow control

Even air distribution across the entire cabin supports repeatable performance across every job.

Industry-proven solution

Widely adopted across professional bodyshops for its reliability, quality and performance.


Cyclone Downdraught Spraybooth

The Cyclone is a high-performance downdraught spraybooth designed for busy, high-throughput bodyshops. With true wall-to-wall inlet filtration and flexible floor extraction options, it delivers uniform airflow and consistent finishing quality. As with all STL spraybooths, the Cyclone is engineered for long-term reliability, offering a market-leading solution backed by proven performance and in-house expertise.

Qube downdraught configuration

The STL Qube offers a self-contained, external bodyshop solution that can be configured with downdraught airflow for controlled, professional finishing. Designed to integrate preparation, spraying and curing within a single enclosed structure, the Qube delivers the benefits of downdraught performance while making efficient use of available space. It is an ideal solution for sites with limited internal workshop capacity or where expanding existing facilities is not practical.


Client success stories
See how STL has delivered reliable, repeatable results for bodyshops across industry sectors, nationwide.

I have always found STL to be very professional, efficient and cost appropriate service provider. All queries or concerns are handled promptly and by experienced and knowledgeable team members who understand their customers’ needs and provide solutions to suit. Even when deadlines were tight, they always go over and above to see what can be done to schedule us in. It promotes a real feeling of being a valued and appreciated customer. All in all, great service from great people all creating a great company to deal with.


Brian Kerrigan,
DLG

STL have been a great partner, providing valuable support with design and layout, and offering clear, timely guidance. Their expertise and responsiveness have made a real difference to our projects since we started working with them in 2019. Their spray booths are both reliable and sustainable, and they manage the servicing to ensure we are always compliant.


Marita Sullivan,
Activate Group Ltd

STL are much more than a spraybooth manufacturer, they are key to keeping our operations effective, efficient, and profitable. The wealth of knowledge and experience they have is second to none in the industry. Instrumental in helping redevelop some of our sites throughout the whole process chain, from inspection lighting to supplying power drop points for mechanical workflows. A company that can be relied upon, always professional and friendly, offering the best in service at a competitive price.


John Brown,
Divisional Operations Manager, BCA

"We turned to STL for our aircraft hangar installation because I knew they were the experts – they proved exactly why they have that reputation. From the first conversation, they were clear, responsive, and committed to doing the job properly. They delivered exactly what we needed and did it with integrity. It’s rare to find a team you can trust completely, but I can confidently say that’s what we've found in STL.’’


Neil Osborne,
Airbourne Colours

STL’s preparation and professionalism during the Hangar 9 project were outstanding. Their contractor file passed an on-site audit with flying colours – all documentation, including permits, lifting plans, and certifications, was thorough and well-organised. Their site team maintained excellent housekeeping and followed PPE requirements throughout. STL has set a benchmark for the standard I now expect from all contractors.


Aerospace Customer,
UK

We have used Spraybooth Technology Ltd for over 20 years as specialist bespoke booth suppliers to WG and our rail industry work set ups. Jeremy and the team are very friendly and professional in meeting technical, environmental and exact booth solutions to our diverse sector requirements. They have met our requirements in various locations around the country and are the go-to name in respect to specialist spraybooth supply.


Joe Ptak,
WG Tanker Group Ltd

As a bespoke joinery company, we need installations to be carried out with care, precision, and minimal disruption. STL delivered our Spraybooth Technology installation efficiently and professionally, with a clear understanding of both the technical and regulatory requirements of our environment. Communication was straightforward throughout, the quality of the installation met our expectations, and the project was completed as agreed. We found STL easy to work with and would be happy to recommend them for similar projects.


Sharon Burke,
NBJ

Certified for quality & safety

STL systems meet leading industry standards and accreditations, giving our clients confidence in safety, compliance, reliability, and long-term performance.