Security Rated Door SR1

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Strongdor Securidor plus

Securidor+ S1 security door range comprises of single and double security-rated steel door-sets that are specifically designed for use in locations that would benefit from enhanced protection. The typical applications for this range include leisure facilities, schools and universities, housing association communal areas and general retail outlets.

Securidor+ S1 - Meets the requirements and testing procedures of LPS1175: Issue 7. LPCB approved and listed for intruder resistant building components, strongpoints, security enclosures and free-standing barriers.

  • Secure for sure with Strongdor
  • Huge range of hardware options
  • Add over or side panels to your door
Unique Range Features

Easy fit doors
1 year warranty
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Product Features

Height Icon

Single - up to 2.21m
Double - up to 2.21m

Width Icon

Single - up to 1.44m
Double - up to 2.88m

Leaf Thickness

45mm deep leaf skin

Further information


The welded frame is made from reinforced 1.5mm galvanised steel and a 38mm x 100mm single rebated profile. It is reinforced at the hinges, lock keeps and fixing points.

Manufactured from 1.5mm galvanised attack face steel with 1.5mm inner face, the composite door leaf is 45mm thick with astragal lip to the closing edge. It weighs approximately 40kg per square metre.

Key Features
The range is certified to LPS1175 level 1, and fitted with a double hinge to top of door for additional strength. It also incorporates an anti leverage cover strip to closing edge of door leaf. The door-sets are also Secured by Design approved and are also available with solid over panels and hinged over panels which can be fixed, or removable.

Certified by the Loss Prevention Certification Board to LPS 1175 Level 1 Issue 7 Cert/LPCB Ref. 1542a

Aluminium and Type H - see diagram

Choice of Exidor 301 Panic Actuator, Exidor 294A SD Panic Bolt available, an optional extra outside access device. Nemef Triple lockset, Zero Sashlock, Zero Nightlatch, IDC security Escutcheon. Flush Bolts or 12” Monkey Bolts to passive leaf. Keys and cylinders can be registered to eliminate the chance of key copying.

Wide choice of finishes available including powder coated finish from our range of RAL or BS colours.

Optional Extras
Door Viewer, Spy hole

Aluminium threshold with neoprene seal

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Security rated leaf and frame

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Securidor1 TechSpec Thumbnail 22

Securidor+ Level 1

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Securidor SR1 Steel Door Fitting Instructions

SR1 Security Fitting Guide

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Door Configurations

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.

Personnel configs
Emergency Exit configs

Over 150 colours available

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