Welcome to Our Technical Section on Security doors .

This Section outlines the range of security doors we do and the specification and information available about each one. If you need more information about any of the products in this section don't hesitate in using our Contact us page to ask any pressing question you may have. For images of previous work we have done with these products, please check out our gallery.

Industrial Roller Shutters Standard Specifications.

Curtain Industrial roller shutter : roller shutter curtains are manufactured from 75mm galvanized steel laths formed into 75mm curved sections for maximum strength. The thickness of this material varies from 22 gauge or 0.7mm to 18 gauge or 1.2mm depending on door size and site conditions.
Side Guides : The side guides are manufactured from pre-gularized U channel welded to a pre galvanized fixing angle. The depth of the side channels ranges from 75mm deep to 100mm deep, again depending on door size and site conditions.

A Special High Wind Guide.

A Special High Wind Guide is also available to operate in windy conditions to help prevent doors being blown in.
Motor drive system : The motor drive system used is a specially designed drive system, which incorporates a manual release system to be used in the event of a power failure. Powered by a 1-phase or 3-phase motor as standard.
Finishes : Standard finish is plain galvanized finish or in PVC coated finish from the HP200 range to match building cladding. Also available in a powder coated painted finish if required.

Security Bars.

Burglar bars are a cheap yet strong alternative to security doors.They can be padlocked, bolted or even welded in place. They are made from 20mm solid steel bar. drilled through a cross member of 50x12 steel flat and welded in place.They have the advantage of strong security while being able to see through them.Shutter Curtain:

Constructed of 16 or 18 gauge bright rolled mild steel interlocking laths, secured at both ends with malleable iron end locks riveted to same.

Bottom Section:
Mild steel standard angle bolted to curtain. 

Guides
Specially fabricated mild steel guides
welded to the steel angle to ensure ,
secure fixing.

Brackets & Plates:
Best quality plates
and brackets to securely support the shutter.

Spindle & Barrel:
Mild steel spindle in
steel tube barrel with appropriate self aligning ball races, housings etc.Specification Personell Steel Door

Frame:
Manufactured from 3mm galvanized steel sheet, folded to detail
complete with draught proof strip.

Door skins:
Inside and outside skin manufactured from 2mm galvanized steel sheet folded around 40mm steel hollow sections complete with 40mm Rockwool insulation.

Hinges:
25mm dia machined hinges stepped out from door to allow full 180-degree swing of door. This prevents the door getting damaged against the edge of the wall. Also each hinge has a 20mm steel security pin that locks into the frame when the door is closed. This holds the door locked into the frame should anyone cut the hinges to gain unauthorized access. A choice of locks is included in this price.

All the above are primed and powder coated to colours of your choice.The above specification may be amended without notice to improve quality.FIRE SHUTTER SPECIFICATION AND DECLARATION OF CONFORMANCE

Commercial, Industrial and Residential 2-4 hr. Fire Shutters and Doors


An uninsulated steel rolling shutter was submitted to a fire test in accordance with B.S. 476 Part 22 (method 8) for 245 minutes on 28th October 2003.
The roller shutter was installed on the face (exposed to fire) on a brick wall.

The Shutter comprised a curtain of interlocking galvanised steel laths, at 75mm centres, located in steel guides, 72mm deep (internal) and attached to overhead horizontal steel roller.
In the orientation test ( the roller shutter mounted on the exposed face of the wall) the roller shutter door achieved fire resistance.

Integrity: 245 minutes

Scope:

The assessment was carried out in strict accordance with accepted structural analysis procedures, and the terms of the integrity criterion of B.S. Part 22: 1987 for up to 240 minutes, for exposure from either side.
This is to confirm that Fire shutter doorsets are designed to provide a fire resistance of up to 240 minutes with respect to the integrity criterion of B.S. Part 22: 1987

Approved to B.S. Standards

Our security doors can withstand 4 hours of constant fire exposure and clients can be confident that the product satisfies their requirements.

Spec. for Strip Curtains

The most simple solution for the reduction of draught, heat loss, dust penetration and noise pollution, for a doorway which requires flexible panels. A variety of shapes and sizes are available with red warning strips if required


"Due to continuing development of our security doors, any of the above specifications may be changed without prior notice."