Hart Door Systems

LPS1175 High Security Shutters SR1-SR4

Faced with increasing threats of international terror and serious crime, Hart Door Systems has invested heavily in designing and testing exceptional counter terrorism shutter systems.

The range of counter terrorism shutters, branded as Terror Screen, are all to Loss Prevention Standards as approved by the LPC Fire and Security Board and Expert Group G. Over 20 organisations assisted in the preparation of this standard more commonly referred to as LPS1175.

Qualifying products such as Terror Screen are listed in the LPCB Red Book/Red Book Live which is the key reference for specifiers, regulators, designers and end users of fire and security products and services. Every product and service listed in the Red Book has been robustly checked by independent experts to ensure that is delivers and will continue to deliver the performance expected.

Terror Screen high security roller shutters comply with LPS1175 SR1, SR2, SR3 and SR4 and to BSEN 12453:2005; BSEN 12604:2000; BSEN 12635:2002; BSEN 12978.2003.

SR1 Shutters

Security Rating 1 is classified as domestic and low commercial risk.  The products are tested and provide resistance to tools in Category A. The tools of this category simulate an opportunist attack by bodily physical force and using easily concealed tools.

ATTACK TIME

The maximum attack time is 1 minute. The maximum test duration is 10 Minutes

TOOLS CATEGORY A

Adhesive tape, Knife, Cable cutter, Lever (including nail pullers, prybars and utility bars), Pliers, Punches, Rope, Electric cable, Cargo strap, Screwdriver, Engineers hooks, Spanners, Firefighters key, Tweezers, Fishing line, Universal Key, Glass cutter, Wire, Hexagon wrenches, Wood/plastic wedges

LOCK/HARDWARE STANDARD

BS 3621 and BS 8621

FIXING

Structural Timber or steelwork, blockwork, or concrete brickwork/concrete blockwork

SR2 Shutters

Security Rating 2 is classified as medium domestic and low commercial risk. The products are tested and provide resistance to tools in Category A (as specified for SR1) plus B (below). The tools of this category provide a more determined opportunist attack by bodily physical force and tools with higher mechanical advantage.

ATTACK TIME

Maximum attack time 3 minutes. Maximum  test duration 15 minutes

TOOLS CATEGORY A plus B

Battery , Bolt cutter, Claw hammer, Drill bit, Electric cable, Junior hacksaw/blades, Metal plate shears, Multiple slip joint pliers, Pipe wrench, Pliers, Ratchet Strap, Screwdriver 14mm diameter x 400mm long, Socket set, Tube 50mm outer x 4mm thick x 300mm long

LOCK/HARDWARE STANDARD

LPS 1214

FIXING

Structural Timber or steelwork, blockwork, or concrete brickwork/concrete blockwork

SR3 Shutters

Security Rating 3 is classified as medium commercial risk. 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

Maximum attack time 5 minutes. Maximum  test duration 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

SR4 Shutters

Security Rating 4 is classified as high commercial risk and medium government risk. The products are tested and provide resistance to tools in Category A, B & C (as specified for SR3) plus D (below). The tools of this category is for experienced attempts at forced entry.

ATTACK TIME

Maximum attack time 10 minutes. Maximum  test duration 30 minutes

TOOLS CATEGORY A, B, C plus D

“A-tool” lock puller, Battery, Bolt Cutters, Drill bits, Felling/fire axe , General purpose saw/ Hole saw, Grinder, Hooligan bar, Jigsaw, “K-tool” lock remover, Plate shears, Sledgehammer

Steel wedges, Tube 75mm diameter x 500mm long

LOCK/HARDWARE STANDARD

BS EN 1303 class 4

FIXING Reinforced brickwork/blockwork, reinforced concrete or structural steelwork

Full testing details of testing can be found here

SR1 is the starting point for certified grades of security roller shutters.

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SR2 elevated over SR1 is an increased grade.

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SR3 significant increase in security grade with the commensurate increase in weight and strength.

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SR4 optimum weight and strength combination the twin skin steel lath is re-enforced by aluminium sub structure highly resistant to cutting.

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