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Strongdor Steel Security Doors from Portman Doors
🔐 Strongdor Steel Security Doors
Supplied & Installed by Portman Doors
Trusted Strongdor Partner in the North West
At Portman Doors, we proudly work with Strongdor, the UK’s leading steel door manufacturer.
From fire exit doors to PAS 24-rated security doors, we supply and install Strongdor products to help businesses stay safe, compliant, and secure.
✅ Why Choose Strongdor?
Made in the UK using premium-grade steel
Fast lead times – perfect for commercial and industrial projects
Fire-rated and security-tested to meet UK regulations
Custom RAL colour finishes available
Ideal for retail units, warehouses, offices, schools, logistics hubs, and more
Strongdor delivers robust, stylish and compliant solutions — and we deliver them, fitted and ready.
🚪 Strongdor Products We Supply & Install
Firedor – Fire Rated Steel Doors
Fire ratings from 30 minutes to 4 hours
Tested to EN 1634-1 standards
For internal or external use
Popular in corridors, plant rooms, and fire escape routes
Securidor – PAS 24 Security Doors
Certified to PAS 24 & Secured by Design
Built to resist forced entry
Suitable for schools, data centres, and commercial premises
Optional louvres, acoustic and thermal upgrades
Steel Fire Exit Doors
Rapid lead times
Fitted with or without panic hardware
Built-in security features as standard
Custom sizes, colours, and configurations
🧰 Expert Installation by Portman Doors
Our fully trained engineers ensure every Strongdor door is installed:
With precision and compliance
Following a free site survey
Cut to your custom measurements
Cleanly and safely on your schedule
We offer a smooth, end-to-end service with minimal disruption to your site.
📍 Areas We Cover
We supply and install Strongdor doors across:
Manchester, Bolton, Liverpool, Wigan, Preston, Blackpool, Blackburn, Warrington, Stockport, and the wider North West.
🏗 Strongdor Projects
“Strongdor doors give our clients peace of mind – they’re safe, secure and built to last.”
– The Portman Doors Team
📞 Request Your Quote Today
Looking for a Strongdor-approved installer near you?
Let’s get started:
Call us: 01204 596026
Email: info@portmandoors.co.uk
Book a Free Survey
Fast Turnarounds • Certified Fitters • Competitive Quotes
🏆 Portman Doors – Your Local Strongdor Experts
Robust. Reliable. Ready to install.
Get in touch today to discuss your next project.
Book A Free Survey
Get in touch with us by phone on 01204 596026 call the showroom or fill in the form below.
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StrongDors Frequently Asked Questions
What is a Strongdor steel door?
Strongdor doors are British-made steel doors designed for superior security, durability, and fire protection. They are widely used in commercial, industrial, and retail environments due to their robust construction and compliance with UK building regulations.
Do Strongdor doors meet fire safety regulations?
Yes. Strongdor’s Firedor range is fire-rated up to 4 hours, tested to EN 1634-1 standards, and designed for both internal and external applications.
What is a PAS 24 security door?
A PAS 24-certified door has passed rigorous testing for resistance against forced entry. Strongdor’s Securidor range meets PAS 24 standards, making them ideal for high-security environments.
Can Strongdor doors be customised?
Absolutely. Strongdor doors are available in a wide range of sizes, RAL colour finishes, and configurations. We can also add optional extras such as vision panels, louvres, acoustic upgrades, and panic hardware.
How long does it take to supply and fit a Strongdor door?
Lead times can vary, but Strongdor doors are known for quick turnaround times, often available within a few weeks. Portman Doors ensures fast, professional installation once your door is ready.
Do you provide installation as well as supply?
Yes, Portman Doors offers end-to-end service – from free surveys and measurements to full installation and aftercare support.
Which areas do you cover for Strongdor installations?
We supply and install Strongdor doors across Manchester, Bolton, Preston, Blackpool, Wigan, Liverpool, Warrington, Stockport, and throughout the North West.
How do I get a quote for a Strongdor door?
Simply call us, email us, or use our contact form to request a free, no-obligation quote. We’ll discuss your requirements and recommend the best Strongdor product for your needs.