• Ares 4
  • Ares 4
  • Ares 4
  • Ares 4


    Insurance Approved Security Shutters

    The SR4 is an aluminium security roller shutter, certified to LPS 1175 Issue 7 (SR4). This is the only SR4 roller shutter certified for both internal and external installation, and includes unique self-locking technology.

    The unique locking system allows the shutter to be locked in any stop position, whether the shutter is fully closed or not.

    The SR4 is constructed from heavy duty extruded aluminium with a strengthened core to protect against specific attack methodology.


    • Laboratories, research and data storage facilities
    • Critical national infrastructure
    • Government and defense

    Self-Locking Technology

    • No auxillary locking required
    • Unique profiles lock shutter in any stop position
    • Allows external first point of entry through shutter


    • Independently tested by the Loss Prevention Board (LPCB) ref.1396 LPS1175:Issue 7 Cert No.1396a
    • Certified to LPS1175 Issue 7 Security Rating 4 (SR4)
    • Secured by Design Police Preferred Specification

    Tech Info

    • Width: 1000mm-6000mm
    • Width: 1000mm-10000mm
    • Material: Extruded aluminium

    Standard Specification

    • Extruded aluminium self-locking profiles with re-inforced cores
    • Motorised operation
    • Heavy duty guide profiles anchored direct to structure

    General Options

    Protective Bollards

    Angle Protection

    Polycarbonate Glazing

    Soffit Brush Strip

    Coil Casing

    Fitting Configurations

    • Face fit
    • Reveal fit


    Security Gates

    Keyswitch Lockbox

    Ground Locks

    Anti-Ram Bollards


    Laser Safety Sensor

    Warning Lights

    Battery Backup

    Light Curtains

    Reflected Photoelectric Cell

    S/R Photoelectric Cell

    Safety Pressure Edge Wireless

    Safety Pressure Edge Wired

    Traffic Lights

    Predictive Safety Edge

    • Illuminated status indicators

    Operation & Controls




    Magic Switch


    Level 1 Control Panel

    Level 2 Control Panel

    Level 3 Control Panel

    Induction Loop



    Mushroom Push Button

    Fire Brigade Switch

    Pull Cord

    Push Buttons

    Biometric Controls

    Smoke & Heat Detector

    Access Control Relay

    Industrial Remote Control

    RFID Radio Controls

    • Remote Control - One touch operation
    • GSM Access
    • Software/network connection
    • Wind sensor
    • Sun sensor
    • Fire alarm activation


    • Polyester powder coat finish to BS colour or RAL number
    • Range of corporate branding packages including full colour graphics

    Peace of Mind Warranties

    All Guardian products are guaranteed against defect of material or workmanship by Guardian Doors, subject to correct maintenance and operation, for a period of 12 months from the date of installation. We offer extended warranties for up to 5 years with an agreed maintenance contract. Call us on 0800 7836602 for more details.

    Business Hours

    Monday - Friday
    8:00 to 17:00
    Saturday - Sunday

    Our 24 hour emergency repair service is available every day - call 0800 7836602

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