TECDUR enhanced security glazing is a range of composite security products which combine the mechanical strength of polycarbonate with the abrasion resistance of glass

TECDUR enhanced security glazing is a range of composite security products which combine the mechanical strength of polycarbonate with the abrasion resistance of glass.

The glass and polycarbonate layers are bonded using a proprietary resin laminating system.

The resin laminating system achieves a strong, durable, bond between glass, resin and polycarbonate which is capable of resisting the large differential in coefficient of thermal expansion between these materials.

This strong bond significantly increases the durability of the product and allows polycarbonate to be clad on one side only if required.

The TECDUR range provides solutions for manual attack, ballistic and blast threats

Independent accreditation has been achieved at various levels of manual attack resistance (BRE LPS1175 / LPS1270 levels SR 2,3,4,5&6) and at all levels of EN1063 in regard to bullet resistance.

For more information on TECDUR please contact Clive Meeks on 07733119923


Following extensive research and development a range of TECDUR enhanced security glazing products have been developed to meet these onerous standards.

The following table illustrates the range of TECDUR product options available:

LPS1175 Level
SR2 - 3 SC - single side clad DC - dual clad
SR2 - 3 TSG DGU Int - PC to cavity side TSG DGU Ext - Marguard PC to room side
SR3 - 5 MP - Multiply Constructions GG - Grid Glass



Watch the demonstration of resistance to smash and grab style attack

A more detailed video for specifiers:





Prevention of Egress

The combination of an enhanced toughened glass surface bonded to an appropriate polycarbonate layer provides a composite vision panel with high resistance to manual attack (blunt blow) particularly suitable in detention centre applications.

TECDUR has now been specified and installed in a number of Prisons, Young Offenders Centres Mental Institutions and commercial projects throughout the UK.

Prevention of Ingress

The combination of float glass bonded to either side of a polycarbonate core results in a product which provides superb resistance to penetration from repeated sharp blows e.g. axe attack, particularly when compared with traditional security glasses / films.

The float glass layer generally only suffers localised damage and remains firmly bonded to the resin layer.

When combined with low iron glass - it creates an ideal solution for retail applications looking for the most visually clear security glass

Prevention of spall / damage limitation

Zero Spall

Provision of an internal polycarbonate face to either manual attack or bullet resistance TECDUR provides a zero spall surface i.e. no glass ejected from the rear face on breakage.

This can prove particularly important for the protection of personnel e.g. bank screens, security vehicles or for the prevention of injury/self-harm in the case of severely disturbed individuals.

Damage Limitation

Bonding hard coat polycarbonate to the external face of a sealed double glazed unit provides an energy absorbing surface which reduces the risk of breakage upon impact from manual attack and/or thrown projectiles.

In addition, in the unlikely event of breakage the polycarbonate continues to provide a safe and secure façade.

The polycarbonate layer can be finished either flush to, or stepped in from, the edge of the unit. This can be beneficial when it is necessary to minimise the edge thickness of the unit due to glazing and/or thermal insulation considerations (maximisation of air space in unit).

Fail Secure’ Structural Glass Applications

Incorporation of holes in TECDUR composite panels facilitates the securing of the panel via glass fittings to either structure, or another panel.

Utilising the appropriate thickness of polycarbonate core fail secure structural glass solutions can be developed which maintain structural integrity even when the internal and external cladding glasses are broken.


Security Ratings

The European Standard EN356 – Glass in Buildings-Security Glazing – defines the resistance of test samples to either repeated strikes by a steel ball dropped from height (P1A-P5A) or to repeated blows from a mechanical axe (P6B-P8B).
The following table summarizes the various levels:

EN356 Level Height (m) Drops(1) Hammer Blows(2) Axe Strikes(3)



P1A 1.5 3      
P2A 3 3      
P3A 6 3      
P4A 9 3      
P5A 9 9      
P6B - - min 12 30 to 50 SR1
P7B - - min 12 50 to 70 SR2
P8B - - min 12 over 70 SR3

Manual Tool + Power Tools

10 minute attack time

- SR5
- SR6

EN356 has replaced BS554 – Specification for anti-bandit glazing- and provides an indication of resistance against opportunistic attack as opposed to that carried out by a determined criminal.

LPCB standards LPS1175 [system test – frame and glass] and LPS1270 [glass only] do assess the glazing’s ability to withstand sustained, intelligent attack using a wide range of tools over a pre-determined length of time.

There are 8 levels of security rating defined from SR1 which simulates an opportunistic attack usin

Level Work Time (mins) Test Duration (mins) Toolset Examples of Tools TECDUR Enhanced Security Glazing
1 1 10 A

Knife, Lever, Screwdriver, Spanners

2 3 15 A,B Claw Hammer, Handrill, Large Screwdriver, 38mm x 300mm Steel Tube Y
3 5 20 A, B, C Hand Axe, Brick Bolster, Cold Chisel, Crowbar, Large Hammer, 7.2v drill Y
4 10 30 A, B, C, D Bolt cutters, 12v Drill, Felling Axe, Hole Saw, Hooligan Bar, 12v Jigsaw, Sledgehammer, 75mm x 50mm Steel Tube Y
5 10 30 A, B, C, D, E 18v Drill, 18v Jigsaw, 18v reciprocating saw Y

g minimal tools through SR4 which simulates a premeditated attempt at forced entry by an experienced intruder and up to SR8 which simulates extreme attempts at forced entry into higher value/risk areas. TECDUR® enhanced security glazing products have been successfully tested at levels SR1-4.

The following table summarises the various levels, toolsets and times allowed in LPS1175/1270:


Like this product ?