Available with a range of upgrades, including an acoustic rating of up to 39dB, a U-value as low as 1.5 W/m²K*, and options for manual or electric locking.
*U-value not available on louvred door-sets.
Secured by Design door-sets are certified to meet police-backed standards for improving building security. They’re ideal for bin stores, plant rooms, and communal access points, offering extra protection for both residential and commercial developments. A solid choice where Secured by Design compliance is needed for added peace of mind.
Single – up to 2.25m
Double – up to 2.25m
Single – up to 1.36m
Double – up to 2.5m
The door leaf is 44mm deep, made from 2 × 1.2mm steel sheets that are mechanically interlocked and internally bonded for added strength and resistance to de-lamination.
It features a 42mm thick Hexatex core for enhanced stability.
EN1026:2000 to class 4 – 600Pa (113kmh) test pressure
EN1027:2000 to 150Pa for outward opening and 100Pa for inward
BS 6375: Part 1: 2009 (test to EN1026:2000, EN1027:2000, EN12211:2000) to 1200 exposure rating
Upgrade to Internal BS EN 1634:1 2008
EN12211:2000 to 1200Pa (Class A3) 98 mph
Available – air flow reduced due to security design
Available with an insulated core as low as 1.5 U-value*
Up to 39dB rating.
44mm thick door leaf
Integrated astragal for added security
Made from 2 × 1.2mm steel sheets
Mechanically interlocked and internally bonded to prevent de-lamination
42mm thick Hexatex core as standard
Optional insulated core for up to 1.5 W/m²K thermal performance
AM3 inward opening or AM5 outward opening threshold available on request
Manual and electric locking Glazed and louvre panels available
Our steel door configurations are built for versatility, offering tailored solutions that combine strength, security, and reliable performance for any project.
