Crucial Engineering

Door and gate specialists


Aluminium Entrance Doors

As the leading supplier of single or double commercial aluminium doors, we’re on hand to provide you with a first-class aluminium fabrication service. Offering you bespoke products to meet all requirements we work with a wide range of commercial customers across several different sectors. Businesses ranging from schools to universities, apartment blocks to student accommodation, hospitals to retail spaces, and many, many more.

Learn More

Aluminium Shop Fronts

At Crucial Engineering, our shopfront systems are like no other. With options for bespoke and custom-made designs, we can also include any ironmongery that you also have as part of your premises. We also offer thermal and non-thermal shop fronts; both creating maximum impact and show your professional side. Working with Crucial Engineering means you also have choices. From swing doors to sliding doors, we can even accommodate automated doors all within our fabrication process.

Learn More

Aluminium Fabricators

As the leading fabricators of windows and doors throughout Yorkshire, we’re proud to offer our customers the complete package. With an in-house team of surveyors, skilled fabricators, and knowledgeable surveyors, why go anywhere else? Whether you’re looking for fabricated aluminium doors or windows, shop fronts and even curtain walling, make sure to call the team at Crucial Engineering. Using some of the latest technology on the market, we guarantee to provide you with some of the best bespoke systems around.

Learn More

Aluminium Curtain Walling

Our curtain walling is innovative in its aluminium design, thermally efficient and weatherproof, making these systems ideal for large commercial projects. With manual or automatic sliding or swing doors an option, these systems can also integrate with a range of window types and styles of doors.

Learn More

Roller Shutter Doors

Ranging from insulated, aluminium, galvanised, fire protected, and see-through vision roller shutters, the team at Crucial can supply, fit, and maintain them all! Roller shutters are one of the sturdiest ways to stop unauthorised access and vandals to your property, as they’re designed to secure your premises and protect your belongings.

Learn More

Sectional Overhead Doors

Perfect where headroom is an issue, and there is limited space to install the parts required for a roller shutter. These first-class doors are robust and manufactured to last. In the unfortunate event of any accidental damage, sections can be easily replaced.

Learn More

High Speed Doors

Precision engineered to provide customers with a thermal barrier between inner and outer apertures, speed of access is maintained with high-speed doors, allowing for a quick opening and closing action, as well as a reduction in warm air lost from the property.

Learn More

Automatic Doors

Making sure you comply with the 2010 requirements of the Equality Act when it comes to your automatic doors, is exactly what Crucial Engineering can help with. Continually putting safety at the forefront of everything we do, all of our automatic doors are British Standards compliant.

Learn More

Manual and Fire Doors

Available in wood, our external and internal manual doors come with or without lite kits and glass, or windows. They ‘re all CE marked and approved and come with full compliant certificates. We recommend full or partial glass doors for busy corridor doors, increasing people’s safety as they can see others on either side of the door.

Learn More

Automatic Gates

Cantilever sliding gate systems do not require a ground track – ideal for sloping driveways or busy or heavy traffic entrances. We supply and fit Wooden, Aluminium and Steel sliding gates Solid wood or aluminium gates provide additional privacy and increased security.

Learn More

Automatic Barrier

Automatic car park and traffic barrier systems supplied at competitve prices. Increase security, improve safety and comply with health and safety.

Learn More


If you’re looking for a turnstile for a particular commercial or public environment. One that provides complete security and helps to coordinate the flow of traffic calmly. Look no further that the turnstile range at Crucial Engineering. Considering what the turnstile will be used for, where it will be positioned and taking into account your emergency evacuation plans, we’re confident we have a turnstile perfect for you.

Learn More

Crucial Engineering maintenance agreement. Here for you 24/7 365 days a year.


Fact: All types of industrial doors should now be inspected and serviced at least once per year as a legal requirement. Failing to maintain and repair automatic doors can create an unsafe work environment and could invalidate your insurance policy. Crucial Engineering can help take care of all your maintenance requirements, providing you with a free site survey, to begin with.


Title Address Description
York, UK
Selby YO8, UK
Goole, UK
Doncaster, UK
Hull, UK
Lancaster, UK
Harrogate, UK
Blackpool, UK
Preston, UK
Blackburn, UK
Burnley, UK
Halifax, UK
Leeds, UK
Southport, UK
Chorley, UK
Huddersfield, UK
Rochdale, UK
Bolton, UK
Wigan, UK
St Helens
St Helens, Saint Helens, UK
Liverpool, UK
Metropolitan Borough of Wirral, UK
Widnes, UK
Runcorn, UK
Sheffield, UK
Rotherham, UK
Manchester, UK
Metropolitan Borough of Stockport, UK
Warrington, UK
Ellesmere Port
Ellesmere Port, UK
Northwich, UK
Macclesfield, UK
Chesterfield, UK
Deeside CH5, UK
Crewe, UK
Stoke-on-Trent, UK
Telford, UK
Wolverhampton, UK
Walsall, UK
Tamworth, UK
Birmingham, UK
Solihull, UK
Coventry, UK
Worcester, UK

Request a call back

In order for us to call you back at a time that is best for you, fill in the contact form with all of your details and click send!

Message Us
close slider

Your Details

Let us know how to get back to you.

How can we help?

Feel free to ask a question or simply leave a message.