Low usage doors must be fitted with effective hardware

For years, the priority usage for doors at most schools was as a means of entrance and security – not escape. Typically the main entrance doors, CCTV linked to the appropriate staff office, would be unlocked in the morning and secured again later in the afternoon. While the remaining outer doors, the emergency exit doors from school halls, classrooms and general utility areas remained firmly secured. ‘Crash bars’, hardware specifically designed for low usage emergency exit doors would commonly be fitted to these emergency doors, but seldom ever used – even for fire drills – and worse, sometimes chained for additional security. Ease of operation in an emergency, particularly for children and people with disabilities is critical, yet this type of equipment so often becomes difficult to use through lack of maintenance, with external doors warping and bolts corroded in their strikes.

A tried and tested solution commonly adopted in these instances is the DORMA AD4000 full door width touchbar, with stainless steel deadlocking Pullman type latches. Requiring the minimum of effort to open and available in a range of architectural metal finishes it is suitable for single and double, timber and metal doors and there are special options for solenoid operation and monitoring switches. more…

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