Premium Steel Doors Manufactured in Britain
Premium Steel Doors Manufactured in Britain 
Fire doors secured by steel - we build high-quality personnel doors and fire exits. Firedor is fire-rated between 30 and 240 minutes to BS EN 1634-1 for internal use only and smoke-rated to BS EN 1634-3. These steel door-sets are designed to enable internal entry and exit. Each is built to order, individually constructed with a choice of hardware, frame, threshold and panel options. Fully bespoke, Firedor can be made to meet specifications and have superior security features such as astragal and dog bolt hinges.
A low-level Part M Compliant threshold comes as standard. Firedor is available with vision panels - fire tested to four hours and louvre panels - fire tested to 2 hours.
10-14 day lead time
Fast quotes
Easy fit doors
Steel door expert advice
Single - up to 2.754m
Double - up to 2.847m
Single - up to 1.08m
Double - up to 2.7m
44mm deep leaf skin
EN1026:2000 to class 4 – 600Pa (113kmh) test pressure
EN1027:2000 to 150Pa for outward opening and 100Pa for inward
Internal BS EN 1634:1 2008
Up to 240 minutes
EN12211:2000 to 1200Pa (Class A3) 98 mph
BS 6375: Part 1: 2009 (test to EN1026:2000, EN1027:2000, EN12211:2000) to 1200 exposure rating
Rebate frame
Typical door configuration consists of 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 are available - including double rebate frames (see frame specification sheet). Manufactured from 1.5 mm thick ‘Rustec’ steel. Single rebate 104mm wide frame with an 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: Min 80mm Max 250mm
Double rebate, flange and 50mm door frames are also available on this door-set range.
Seals
Strongdor self-adhesive neoprene teardrop seal provided as standard.
Fire-rating
Leaf
44mm 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. The standard aluminium threshold is Part M compliant and is fitted with a seal for outward opening door-sets.
Weight
40kg/m2 with honeycomb core, excluding hardware and reinforcement
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 is also available.
Finish
Supplied inclusive of a powder-coated finish in a standard colour. Full range of RAL and BS colours available.
Side panels and over panels (optional)
Solid and glazed side and over panels available.
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.
Touching up Paintwork
A demonstration of how to sue the touch up kit supplied with your steel door-set.
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.
Personnel Steel Doors & Emergency Exit Steel Doors
Steeldor door-sets are designed for internal and external use to enable entry and exit. Up to 34dB and up to 3.3 U value. Each is built to order, individually constructed with a choice of hardware, frame, threshold and panel options, including louvre, vision, over and side panels.
View Door
Steeldor emergency exit doors can be configured as either single, double or leaf and a half steel door-sets. Up to 34dB and up to 3.3 U value. Our bespoke steel doors can be made to meet your specification and have superior security features such as an integrated astragal and dog bolt hinges.
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