Some wireless exit door devices can sound a piercing horn for several minutes.
Roof access door alarm.
Some code officials indicated a preference for fail safe locks on the roof doors which unlock upon fire alarm to allow access to the roof but this is not currently a requirement of the ibc or nfpa 101.
At best access doors you can get roof access panels that are cost efficient and are manufactured with safety and durability.
Whether a roof door is required to provide free egress from the roof depends on what the roof is used for.
From a security standpoint the easiest way to handle roof access is to keep the roof access point locked inside the building going out which restricts access but enables one to enter the.
We offer fire extinguisher cabinets access doors roof hatches floor doors fire extinguisher stands and many more products as well as replacement parts.
Our galvanized roof hatch has gas spring operators that allow the cover to open and close with ease and inside pull handles for easy control when closing the cover.
A variety of special sizes are also available to provide an accessible way to install or remove large pieces of equipment from a building.
Grainger carries a wide variety of emergency exit door alarms to help deter unauthorized use of emergency doors or alert you to unannounced visitors.