Premium Steel Doors Manufactured in Britain
Premium Steel Doors Manufactured in Britain 
Firedor is fire-rated up to E120.
Internal steel fire doors are acoustically rated up to 36dB and designed to enable internal entry and exit. Each is built to order, individually constructed with a choice of hardware, frame, threshold and panel options.
Perfect for use on internal fire exit routes and internal stairways.
Fast quotes
Easy fit doors
Steel door experts
Single - up to 2.76m
Double - up to 2.76m
Single - up to 1.2m
Double - up to 2.3m
44mm deep leaf skin
Fire-rated up to E120
Up to 36dB rating.
Frame
Manufactured from lightweight, high tensile 1.5 mm thick ‘Rustec’ steel.
Adjust 2-Fit side expander system that offers up to 12mm expansion to the structural opening.
Leaf
44mm door leaf thickness incorporating an integrated astragal for added security. Comprising of 1.2mm ‘Rustec’ steel sheets, the leaf skins are mechanically interlocked and internally bonded, proving greater stability and protection against de-lamination.
Door ironmongery
Grade 13 stainless steel, twin bearing template drilled butt hinges with integral high security dog bolts are fitted as standard with CE marking. Other hardware available.
Finish
Supplied inclusive of a powder coated finish in a standard colour. Full range of RAL and BS colours available.
Options and Upgrades
Vision panels in various panel formats and sizes, fire-rated for up to 120 minutes.
Louvre panels designed to increase airflow in areas that need efficient ventilation, louvre panels offer a flexible solution without compromising security or structural integrity.
Strongdor offers PAS 24 Fire rated louvres up to 508 X 1524mm.
Variety of solid and glazed side and over panels.
Available thermal upgrade up to 1.5Wm2K U-value.
Single Door Installation
This video contains detailed, step-by-step instructions for the safe installation of a Strongdor Steeldor single door-set. Please pay particular attention to the safety instructions.
Double Door Installation
This video contains detailed, step-by-step instructions for the safe installation of a Strongdor Steeldor double door-set. Please pay particular attention to the safety instructions.
Speak to an expert now
01524 727000 Our vision panels are produced in various panel formats and sizes, some of which can be fire rated, we offer a choice of glazing options depending on the door's application.
Designed to increase airflow in areas that need efficient ventilation, louvred door, side, over panels and walls offer a flexible solution without compromising security or structural integrity.
Fire Door Safety Week was first launched in 2013, aiming to raise awareness of the critical role that fire doors play in saving lives and protecting property in the unfortunate event of a fire. If the worst happens and fire breaks out then seconds can make a huge difference.
View ArticleNo, Strongdor are a supply only manufacturer and therefore unfortunately don't offer site surveys or installation. However we can recommend local installers in your area from our Doorfit Network, who will be happy to help.
Complete our quotation request form, mention you are looking for installation and we will put you in touch!
It is the customer’s responsibility to ensure all details within the sales quotation / sales order meet the exact specification and / or original enquiry and are compliant with current building regulations including location and method of installation.
We are here to help and advise only and cannot accept responsibility for discrepancies after the order is confirmed.
Strongdor Terms and Conditions
Purchase steel doors regularly? Speak to one of our account managers and request to set up an account today.
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