Security Rating 3 is classified as medium commercial risk. SR3 has significant increase in security grade with the commensurate increase in weight and strength. The products are tested and provide resistance to tools in Category A & B (as specified for SR2) plus C (below). The tools of this category is for deliberate forced entry of well-protected premises using bodily physical force and a wide selection of attack options.
ATTACK TIME
The maximum attack time is 5 minutes. The maximum test duration is 20 Minutes
TOOLS CATEGORY A, B PLUS C
Axe, Battery, Bolt cutter, Brick bolster, Cold Chisel, Crowbar, Drill, Fluorocarbon based freeze spray, Gas torch, Hacksaw, Hammer, Pad saw, Scissor jack, Wood chisel
LOCK/HARDWARE STANDARD
BS EN 1303 class 4 (Building hardware. Cylinders for locks. Requirements and test methods.
FIXING
Brickwork/concrete blockwork, or structural steelwork
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Optional plastisol coating on the laths and optional powder coating of guides and bottom rail and any other associated parts Standard RAL colours
1 year warranty
as standard
CE/UKCA mark
Designed and
manufactured in UK
LPCB approved
Motor
Depending on door size the motor drive is constructed using either Safedrive direct drive or via chain drive and reduction gearing supported via a safety brake. Very large sizes may also have internal counterbalance springs to reduce operating loads and minimise the drive requirements.
Size
Doors are available from 1.2 metre wide to 9 metres wide and up to 9 metres high. All doors are made to measure to specific requirements. For a higher security rating or extreme wind conditions we recommend the SR4 Terror Screen doors or our unique Typhoon security shutter.
Curtain
Roller shutter door electrically operated utilising a steel twin skin door curtain of twin interlocking optionally insulated roller shutter section. The construction of the door curtain is 35Kg’s per square meter and it runs within side guides of fabricated steel
Locking
Bottom Latch
The door curtain is finished at floor level with a structural bottom beam fabricated from steel and aluminium sections and optionally finished by rubber seal. Available up to 9m without need for locking at the centre of the rail.
Operators
The door can be press button operated or automatically operated. Various levels of safety can be incorporated which are obligatory if automated operation is required, including safe leading edge and or photocells movement sensors Radar, radio and so on. Controls should be mounted at least 1m from the door structure, unless additional features are added
Fixing
Structural opening substrate must be suitably reinforced brickwork/concrete/steelwork as detailed in the standard LPS1175 Issue 7. It is assumed that the substrate onto which the product is fitted provides a resistance to attack at least equivalent to that afforded by the product itself.
Speed
Standard opening Speed: 0.15 m/s
Standard Closing Speed: 0.15 m/s
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