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Crucial Engineering Ltd create safe, secure, accessible solutions

to domestic, commercial and industrial premises! We specialise in the install,

maintenance and repair of:

Automatic Doors ► Barriers ► Gates and More!

For more information, please do not hesitate to contact us

Roller Shutters

From Galvanised, Aluminium, Heavy Steel, Insulated, Fire Protection and see through Vision Roller Shutters, we can supply, fit and maintain. The best way to prevent unauthorised access and vandalism to your premises, designed to secure your property and protect its contents.

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Sectional Overhead Doors

Ideal in situations where head room may be restricted, and there is insufficient space to fit the box required for a roller shutter. These high quality doors are extremely robust, and constructed to give long service. In the event of accidental damage, sections can be replaced.

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High Speed Doors

Designed to provide a thermal barrier between internal and external apertures whilst maintaining ease and speed of access. High speed doors allow fast action opening and closing, minimising the escape or ingress of warm air from the property.

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Automatic Doors

AUTOMATIC DOORS Designed with safety in mind, all our automatic doors comply with British Standard BS7036. Designed and installed to meet the need of a high volume of pedestrian traffic and buildings needing to comply with the Equality Act 2010 (inclusive of the former Disability Discrimination Act) requirements.

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Manual & Fire Doors

Internal or external manual doors, in wood with or without lite kits and glass, or windows. All fire doors are all CE marked and CERTIFIRE approved. Full or partial glass doors for well traveled corridor doors. It is essential that the doors have a widow to provide safety and allow others to see people on eiether side of the door

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Gates & Barriers

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.

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Did you know that it is now a legal requirement that all types of industrial doors should be inspected & maintained at least once a year? If you fail to maintain and repair automatic doors, this creates an unsafe working environment and could invalidate your insurance. We can supply all your maintenance needs. Please contact us for a free site survey.


As part of the Crucial Engineering Maintenance agreement we offer a 24/7 365 days a year Call out Service with a 4 hour response time if required. Our teams are fully equipped to fulfil rapid on site repairs. Call 03451 930 420 anytime for advice and emergency repair.


Crucial Engineering responded very quickly to site for a survey and initial consultation. A quote was prepared and a time and date agreed. They were punctual and carried out the works efficiently, accommodating any additional works requested whilst on site. The site was left in a clean and tidy condition. Thank you for the great service


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Phil Lohan – Director – Brontel Ltd

From the initial enquiry regarding installing a roller shutter door into our new premises, to the end product, Crucial Engineering have been a pleasure to work with. I will recommend Crucial Engineering in the future and look forward to working with them again on other projects.

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Allison J Leigh-Operations Manager-Thomis Reed Removals Ltd.

Not only was the work carried out in a clean and tidy manner, but the advice we were given was invaluable and saved us considerable expense.

I can confidently endorse Crucial Engineering and would have no hesitation in recommending them to other landlords

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David Harris – Director – Harris Real Estates