Steeldor: steel door-sets


Call the steel door experts now on:

Bespoke steel door-sets - personnel doors and emergency exits - for internal and external use.


Call us on 01524 727000 for free expert advice and a fast quotation

Steeldor door-sets are designed for internal and external use to enable entry and exit. Each is built to order, individually constructed with a choice of hardware, frame, threshold and panel options, including louvre, vision, over and side panels - information sheets available on request. 

Fully bespoke, Steeldor can be made to meet specification and have superior security features such as astragal and dog bolt hinges. A low level DDA approved threshold comes as standard. Steeldor can be configured for use as emergency exits and personnel doors.

10 - 12 day lead time

Up to 2.5m high

1 year warranty

Same day quote


Double personnel door-set


Single personnel door-set


Single emergency exit door-set


Double emergency exit door-set

Easy to install, and manufactured from corrosion resistant high-tensile steel, each door-set comes complete with powder coating and an appropriate installation kit. Popular with contractors and specifiers alike, this all-rounder comes with a range of features and options that can be specified to order.

Steeldor, configured and built on order to your specification and satisfaction.

Steeldor - versatility and value - the all-purpose performer

Door types and panel options

Steeldor can be configured for use as both personnel doors and emergency exits. The single, double and leaf and a half door-sets can also be supplied with bespoke side and overpanels.

Fixed, glazed, louvred or detachable panels, the illustrations show an example of the most common choices of Steeldor design and is representative of the many options available.

If you are unsure, or have a question, then please talk to one of our expert sales team, who will be able to advise and guide you.

Typical Steeldor specification

Rebate frame

(See Figs. 1, 2 & 2a) Typical door configuration consists standard rebate frame assembly, made from lightweight, high tensile ‘Rustec’ steel and powder coat finish, it also has an “Adjust-2-Fit” side expander system that offers 6 adjustable fixing positions.

Various frame depths and styles available - including double rebate frames (see frame specification sheet).

Manufactured from 1.5 mm thick ‘Rustec’ steel.

Single rebate 104mm wide frame with additional rebate for flush lip.

A minimum of six fully adjustable fixing points are provided to each jamb - extra fixings available on request.

Unique 'Adjust-2-fit' side channels with each frame.

Frame Size Depth D
Min 80mm
Max 250mm

Double rebate, flange and 50mm door frames are also available on this door-set range.


Strongdor self adhesive neoprene teardrop seal provided as standard.


45mm door leaf thickness, fitted with a flush lipped astragal for added security. Comprising of 2 x 1.2mm ‘Rustec’ steel sheets, the leaf is internally bonded with a dutch fold stitch welded system providing greater stability and protection against de-lamination.

42mm thick ‘Hexatex’ core

Industrial door threshold - 96mm

(See Fig. 3) Standard aluminium threshold is Part M compliant and is fitted with a seal for outward opening door-sets.


31kg/m2 with ‘Hexatex’ core.

Door ironmongery

BS 7352 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 also available.


Supplied inclusive of a powder coated finish in a standard colour. Full range of RAL and BS colours available. Marine Grade finish as an option in salt laden coastal or high chlorination locations.

Side panels and over panels (optional)

Solid and glazed side and over panels available.

Fig. 2 | Single leaf rebate frame and dutch fold leaf

Fig. 2a | Double leaf rebate frame and dutch fold leaf

Fig. 3 | Industrial door threshold - 96mm

For hardware and configuration please contact our sales team on 01524 727000

Quality, bespoke steel security door-sets with fully adjustable frame

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Save time, save money

Installation couldn’t be easier. Most door-sets have a fully adjustable frame to ensure perfect fit with a minimum use of sealant, even on uneven brickwork. Saving time, frustration and money on site.

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Better steel, built to last

Pre-tensioned Rustec anti-rust steel is optional on the Steeldor range. With unparalleled strength and incredible resistance to corrosion it adds years to the life span of the door-set.

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Guaranteed to perform

Tested and rated to protect from intruders and bad weather. Steeldor is finished in a high quality powder coating. All Steeldors come with a no-nonsense one year guarantee as standard.

Steeldor standard colour range and powder coating options

To ensure maximum durability, Steeldor is supplied in a high quality finish powder coating. At no extra cost.

A full range of and BS colours are available, including metallics and pearlescents as an optional extra.

These colours represent a selection of all those that are available. Please ask if you cannot see the colour you require.

PLEASE NOTE: These colours are for reference only and are an approximation of the true colours. The quality, type and settings of the output device used to display this page will also affect the visible colour. Some colours may be subject to an additional cost. Door-sets that are installed in extreme locations, ie, coastal areas etc, may require special paint applications. Our sales staff can advise accordingly. Failure to notify/specify these applications can result in the negation of the Strongdor guarantee.

Call us now on 01524 727000 for expert advice and a free quotation


Get more light with glazed vision panels

Available in several designs and positions, glazing options include:

•  20GA Cold Rolled Steel
•  Stainless steel on request
•  5 or 9mm ceramic glass
•  22mm double glazed units
•  2 hour fire rating


Get more air circulation with mesh backed louvre panels

Available in several designs and positions, louvre options include:

•  18GA Galvanised Steel Frame
•  22GA Galvanised Steel Blades
•  40% Free airflow as standard
•  Bird mesh and insect mesh
•  2 hr fire rating (not shown)


  • Please upload any photographs you may have of the installation site or doors that are going to be replaced.
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  • Please include details of type of door required eg. personnel or emergency exit, single, double or leaf and a half, structural opening size and preferred hardware.
Steeldor - quality comes as standard

EN1026:2000 to class 4 – 600Pa (113kmh) test pressure 


BS 6375: Part 1: 2009 (test to EN1026:2000, EN1027:2000, EN12211:2000) to 1200 exposure rating


EN1027:2000 to 150Pa for outward opening and 100Pa for inward


EN12211:2000 to 1200Pa (Class A3) 98 mph




Call 01524 727000 and speak to a steel door expert or fill in the form below and we'll get back to you!

  • Please upload any photographs you may have of the installation site or doors that are going to be replaced.
    Drop files here or
    Accepted file types: jpg, gif, png, pdf.
  • Please include details of type of door required eg. personnel or emergency exit, single, double or leaf and a half, structural opening size and preferred hardware.

or call 01524 727000 now for help.