Appendix 5 – Protective Glazing Options
Toughened safety glass
Advantages
Cost
Aesthetically acceptable
Disadvantages
Vulnerable to attack with basic tools
No visual deterrent (could increase the target attractiveness)
Laminated safety glass
Advantages
Cost
Aesthetically acceptable
More robust than toughened glass
Disadvantages
Vulnerable to attack with basic tools
No visual deterrent (could increase the target attractiveness)
Toughened/laminated safety glass with ASF
Advantages
An additional layer of robustness is added that will delay any ingress by a few seconds for the toughened glass and slightly longer for the laminated glass.
Additional cost over the use of safety glass.
Disadvantages
Questionable benefit if tools are used.
Cost-benefit of the delay versus the additional installation cost
Wired Glazing
Advantages
Visible deterrent for opportunist criminals
More robust than toughened glass
Disadvantages
Not aesthetically pleasing
Security Glass
Advantages
Robustness
Known delay
Disadvantages
Cost
Weight