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SECUR-DOR 3 Single

SECUR-DOR 3 Single

Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

Robust UK Ltd

Intruder resistant, single leaf, steel security doorset.

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+44 (0)1782 592900 www.robust-uk.com

For protecting medium risk residential or commercial properties from attempts at forced entry, with little regard for noise, using heavy hand tools.


Single leaf, single swing, steel security door which been tested to and passed Warrington Exova Certisecure STS 202 BR3 standard. It conforms to BS EN 1627 RC3 and can offer up to 120 minutes fire rating if fitted with appropriate ironmongery.


For protecting medium risk residential or commercial properties from attempts at forced entry, with little regard for noise, using heavy hand tools.

General information
Uniclass 2015
Pr_30_59_24_37 High-security doorsetsPrimary

L20/55 Doorsets

L20/480 Doorsets

Specification data - High-security doorsets
Product Reference

SECUR-DOR 3 Single

Size (w x h)

As drawing

Insert reference.

As schedule

Insert reference.

Finish/ Colour

Polyester powder coated, non-standard colour range

Insert colour requirement.

Polyester powder coated, standard colour range

Standard, insert colour requirement.


For site finishing.


Type A

100 mm depth.

Type B

95 mm depth.

Type C

95 mm depth.

Type D

145 mm depth.


Manufacturer's standard

Three-point, heavy duty panic hardware

For fire escape, must be fitted with a locking box to prevent drill attack.

Standard product features

Door leaf:

- Construction:

Manufactured from two 2 mm thick corrosion resistant zintek®/ Aluzinc sheets, lockformed together by bonding the two steel skins around a rigid core filled with mineral wool and integral steel stiffeners. It provides a total steel armour thickness of 4 mm. Fitted with anti-tamper hinges.

- Thickness:

55 mm.

Door frame:

- Construction:

Folded and welded from 2 mm thick zintek®/ Aluzinc sheets, with mineral wool infill. A fully welded, variable subframe is supplied as standard, which accommodates site tolerance of -0 mm/ +30 mm and provides additional protection to the fixings against jemmys. Complete with anti-crush plate.

- Fixings:

Four Class 13 stainless steel dog bolt hinges recessed and specially modified to prevent pin extraction, along with two solid ball round dog bolts to increase resistance to prising.

Thermal transmittance (U-value):

2.6 W/m²K.


15 mm rebated, DDA compliant.


Medium risk residential and commercial properties which may be obscured from view. Provides protection from a deliberate forced entry of a well-protected property using a wide variety of tools with little regard for noise.


  • Intruder resistance: To STS202: Up to BR3; to BS EN 1627: Up to RC3.
  • Fire resistance: Up to 120 minutes if fitted with appropriate ironmongery.

Product Options

Size (w x h):

Available up to 1300 x 2800 mm.


- Manufacturer's standard:

Three-point, high security sashlock, Securefast, with high security cylinders and anti-jemmy escutcheon protecting against snapping attack. Lock is anti-drill and pattern protected to reduce the risk of key copying. Fitted with Exidor tower bolts.

Third party certifications
  • Loss Prevention Certification Board (LPCB): Certified
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