The kds4 range offers a selection of certified single double and leaf and half outward opening doorsets and single inward opening doorsets suitable for all personnel fire exit access control and utility applications.
Inward opening door fire.
Centre latch or bolt only.
The inward opening cooper bolt allows emergency fire exit doors to be opened in a single move by pulling a release handle which retracts a security bolt.
Non rebated double door door type.
Many exits were concealed by flammable drapery and many were locked.
They were unfamiliar with the exits and some refused to open locked exit doors.
There were no exit signs.
Use 502a b for public access areas or 502a p for workplace areas inward opening doors.
Today exit doors open outward so that people trying to escape will tend to hold the doors open.
When a mob of people rushes an exit it s very hard for somebody to open the door inward everyone pushes up against the door and there is no room for it to open.
For this reason an effective emergency exit needs to open outward moving with the force of the mob.
Inward opening insulated wall only select a category fire rated access doors non fire rated access doors fire rated floor doors non fire rated floor doors safety products roof hatches ladders and security covers plastic doors cover plates dampers louvers.
Tools used in the level4 testing include a disc grinder felling axe hole saw jigsaw sledgehammer and plate shears.
Door is securely bolted to prevent unauthorised entry.
There was no emergency.
To achieve certification the kds4 doors were subjected to an attack test simulating experienced attempts of forced entry.
When people were able to pull the doors open enough to get out some people were then wedged in the door opening as people continued to push on the door.
This is because the handle opens the lock when you pull it upwards as well as when you push it down.
No key or two handed operation is required to exit through the door.