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Armourdoor® Security Steel Door AD20

  • HD Security Steel Door
  • HD Security Steel Door


The Armourdoor Security Steel Door AD20 is a high security constructed door. It is made from 1.5mm zinc protected steel sheets joined together in a bonding process with a solid timber core.

The frame is manufactured from 1.6mm profiled zinc protected steel. The AD20 door is tested to BS 1627, Levels 2-5, offering attack resistance for up to 20min (Secure by Design specification door sets available tested to PAS 24 or STS 202).

Common Use:

The Armourdoor Security Door AD20 is designed for use in commercial and industrial premises such as factories, offices and retail units to resist attempted forced entry. Bespoke manufacturing of this door tailors it to a site specific situation. The AD20 can be installed internally or externally.


Single openings from 690mm to 1390mm
Double openings from 1290mm to 2600mm
All at heights up to 2900mm

Security Level:

Level 2 -5




The Armourdoor AD20 security door is available powder coated from a standard range of colours. Wood grain, PVC laminate and stainless steel finishes are also available.

Specification of Build:

The AD 20 has a steel door leaf thickness of 50mm and an infill composed of solid timber with integral steel stiffeners.

Door frame constructed from folded 1.6mm Zintec/aluzinc steel.

The security door is supplied with a variable sub-frame to allow up to 30mm tolerance for site installations.

The frame is fitted with dog bolts as standard.

The door is supplied with a standard 15mm rebated threshold and driveable thresholds available on request.

The door blade is fitted with an anti-jemmy astragal


High security triple point sash lock with high security cylinders and protected to reduce risk of key copying.

HAG can supply an alternative high security multipoint panic hardware for fire escape situation.

HAG operates a policy of continuous improvement. Product specification may change and it is advisable to consult with HAG technical advisors before specifying or ordering.

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