Security Rated Steel Door – SR1

Steel Doors with Extra Security

Enhanced Protection

The security door range includes single and double steel door-sets designed for areas that need enhanced protection. Common applications include leisure centres, schools, universities, housing association communal areas, and retail outlets. Please note, these door-sets are only available with outward-opening leaves.

Used & Trusted by All

Steel Security Doors is the trusted choice for contractors, architects, and specifiers, delivering reliable performance on projects of every scale. With proven durability, precision engineering, and a commitment to quality, we provide doors that meet strict standards while keeping projects on schedule and within budget.

  • Enhanced security protection
  • Up to 3m high
  • Wide choice of hardware

Product Features

Height

Single – up to 3.1m
Double – up to 3.1m

Width

Single – up to 1.4m
Double – up to 2.8m

Leaf thickness

45mm deep leaf skin

Further information

Frame

  • Welded frame made from reinforced 1.5mm galvanised steel

  • 38mm x 100mm single rebated profile

  • Reinforced at hinges, lock keeps, and fixing points

Leaf

  • Made from 1.5mm galvanised steel (attack face and inner face)

  • 45mm thick composite door leaf with astragal lip on the closing edge

  • Approximate weight: 40kg per square metre

Threshold

  • Aluminium and Type H

Finish

  • Each door is supplied with a durable powder-coated finish in a standard colour
  • Upgrade to any colour in the full RAL palette to match your project’s branding or environment

Customisation Options and Upgrades

  • Door Viewer

Key features

  • LPS1175 SR1 certified for enhanced security

  • Fitted with double hinge at the top for added strength

  • Anti-leverage cover strip on closing edge of door leaf

  • Secured by Design approved

  • Available with solid or hinged over panels – fixed or removable options

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Hardware

  • Choice of Exidor 301 Panic Actuator or Exidor 294A SD Panic Bolt

  • Optional outside access device available

  • Locking options include:

    • Nemef Triple Lockset

    • Zero Sashlock

    • Zero Nightlatch

    • IDC Security Escutcheon

  • Flush bolts or 12” monkey bolts for passive leaf

  • Registered keys and cylinders available to prevent unauthorised key copying

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Suitable Substrate

  • Suitable for structural timber, steelwork, blockwork, brickwork, or concrete blockwork

  • Minimum fixing size: M6 / No.12

Door Configurations

SR1 Steel Doors

Our steel door configurations are built for versatility, offering tailored solutions that combine strength, security, and reliable performance for any project.

Over 150 colours available

Any questions about this product?

Advice and quote

Speak to an expert

0123 456 7890