Attackdor | LPS 1673 Certified Security Door | Strongdor

Uncompromising Protection for High-Risk Locations

Built to meet the rigorous LPS 1673 Issue 1 security standard, the Attackdor is designed for environments where protection from violent, forced entry is critical. This can include locations housing high-profile individuals, such as public figures and celebrities, as well as high-value asset zones.

LPS 1673 is a new security standard developed by the Loss Prevention Certification Board aimed at protecting against violent forced entry attacks by individuals targeting people and valuable assets.

Secure for sure with Strongdor
Over 150 colours as standard
NEW High Security Rating
High Spec Locking Hardware Options

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Unique Range Features

LPS 1673 Certified
1-year warranty
Inward Opening Design
Trustpilot rated excellent

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Product Features

Certifications

Certified by the Loss Prevention Certification Board to LPS 1673 Issue 1 AR.A300 and AR.A300 + B180E.

Height

Single - up to 2.46m.

Width

Single - up to 1.21m.

Unique Range Features

LPS 1673 Certified
1-year warranty
Inward Opening Design
Trustpilot rated excellent

Download Tech Specs

Request a Quote

NBS Specification

View NBS Product

Further information

Features

Videos

Built to Withstand – Advanced Door Construction.

High-Security Leaf Design

44mm thick steel leaf with integrated astragal for added strength.
Constructed from two high-strength Rustec steel sheets.
Mechanically interlocked and bonded to prevent delamination.
Available in plain or tongue-and-groove styles for residential integration.

Versatile Frame Options

Adjust 2-Fit side expander system (up to 24mm adjustment).
50mm standard frame – ideal for residential applications.
Other frame depths: 95mm–300mm (single rebate), 140mm–300mm (double rebate).

Performance Threshold

AM3 aluminium threshold with 70mm height and weather-sealing performance.
Supplied with 1777S seal for superior weather resistance.

Intelligent Security Hardware

Electronic Motorised Deadlock Retraction (Optional) – Ideal for smart access control systems.
Interior stainless steel lever handle for easy egress with manual deadlock functionality.
External knob or offset knob options for secure exterior access.
GU High-Security 3-Point Locking System.

Finish Options to Match Any Environment

Powder-coated in over 150 RAL colours as standard.
Also available in BS colour ranges.
Aesthetic options include traditional tongue-and-groove panelling to suit residential environments.

Optional Upgrades for Enhanced Safety

Earth Bonding Point – Enhances electrical safety by grounding the door, ideal for environments with electronic systems.

Vision Panels – Available in multiple sizes

457 × 457mm
508 × 508mm
254 × 559mm
254 × 762mm

Dimensions and Certifications.

Certifications

Certified to LPS 1673 Issue 1 by the Loss Prevention Certification Board.
Certificate Number: 1542e
Attack Ratings: AR.A300, AR.A300 + B180E

Maximum Sizes

Width: Up to 1210mm
Height: Up to 2460mm

Strongdor Steel Door Single Install Thumbnail

Single Door Installation

This video contains detailed, step-by-step instructions for the safe installation of a Strongdor Steeldor single door-set. Please pay particular attention to the safety instructions.

Touching up Paintwork

A demonstration of how to sue the touch up kit supplied with your steel door-set.

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Frequently Asked Questions

Which security door is the best?

Unfortunately there is no simple answer to this question as all security rated door-sets have protection enhancement. The level of security required for your door-set will be dependent on the location and specification of your installation.

Check out our documents LPS 1175 vs PAS 24:2016 and LPS 1175 Explained to see which security rating may be best for you!

Who is responsible for ensuring the sales quotation meets the specification and building regulations, including location and method of installation?

It is the customer’s responsibility to ensure all details within the sales quotation / sales order meet the exact specification and / or original enquiry and are compliant with current building regulations including location and method of installation.

We are here to help and advise only and cannot accept responsibility for discrepancies after the order is confirmed.

Strongdor Terms and Conditions

Attackdor – LPS 1673 Certified Security Steel Door