Steel Security Doors Technical Details

Our Steel Security Doors are made to the highest possible standards to exacting tolerances. Technical Information re our Steel Security Doors is listed below.



If you require any further details please call us on 01935 473708 we'll be happy to help you. Alternatively use our contact form and we'll get straight back to you. 

       We have 4 levels of security available, briefly described below and all tested to Swedish standard SS-81-73-45.

• Level 1 - To withstand 10 minutes forced entry.
• Level 2 - To withstand 10 minutes deliberate forced entry, with a variety of tools with little regard for noise, such as hammers, crowbars, shears and saws.
• Level 3 - Withstands 10 minutes of experienced attempts at forced entry, with a variety of power tools with no regard for noise such as angle grinders and Power drills.
• Level 4 - Withstands 20 minutes of Professional forced entry of high value storage areas with no regard for noise with a variety of power tools such as Angle grinders and drills

• Prepared for DIN standard installation lock.
• Strengthened for closer / Panic Bar Hardware

       Double Door:

• As with Single Door but with the addition of flush bolts to inactive leaf.

        The Door Blade:

• Overall Thickness: 47mm.
• Material: 1.2mm Galvanised steel skins.
• Insulation Core: Honeycomb.
• Design: The door skins are folded and glued. The door leaf has a high surface finish with accurate sizing. The door leaf is hung on three stainless steel butt hinges with security dog bolts into the frame.

        The Door Frame:

• Material: 1.5mm Roll formed galvanised steel.
• Cill: 25mm Galvanised Steel (optional).
• Design: The frames are supplied as standard in a single rebate profile. Other profiles are available tracking system is made from extruded aluminium the new unique suspension track provides a foolproof method of suspending the PVC Strip in the correct layout whilst providing maximum flexibility of overlap. 

• Panic bolts.
• Panic latch.
• Auto Closer.
• Threshold.
• Seal.
• Vision Panels.
• Louvres.
• Security Astragal.

• Our range of Steel Security Doors achieve a rating of 120mins in accordance with the criteria laid down in BS476 Part 20 & 22.