The development of fire door testing.
Fire door gap tester.
It also doubles as a beer bottle opener and a 3 tape measure.
Designed specifically to check clearance requirements before inspections for fire rated door assembly s by your ahj.
Gap solution for excessive fire door top clearance 90 minute.
Gap solution for excessive fire door bottom undercut clearance 90 minute ngp edge intumescent door shoe.
The fire door gap gauge is an easy to use pocket sized tool that fits on almost any keychain that way you have it when you need it.
A division of pl2 llc po box 1629 collierville tn 38027 1629 ph.
However for most timber based fire doors the gap should be between 2mm and 4mm.
The gaps between a fire door and its frame need to be 2 to 4mm in width to ensure that both the door can close smoothly and that the fire cannot spread through the gap of the fire door.
Organisation name job title number of gap testers required 1 3 5.
The bwf fire door alliance produces gap testers to support fire door checks.
Doorgap gauge fdtb 1 2.
We developed the gap testers to help those who carry out inspections to ensure that any gaps are not so big that smoke and fire could travel through the cracks so checking that the fire door is fit for purpose.
The correct door edge to door frame gap depends on the fire performance test evidence for that particular fire door.
Fire door thru bolts.
Fire door thru bolts.
Bwf fire door alliance gap testers.
Our fire door gap gauge is a handy tool designed for easy use thanks to the clearly marked dark blue recommended door gap area.
So the gap could be more than 4mm for some fire doors and still be compliant with the fire performance test.
The old test of fire doors to bs 476 part 8 for fire resistance was carried out simply in a furnace increasing the temperature to that found in rooms on fire and the door was checked to ascertain when the fire would breach the door usually at the gaps at the head and sides of the door.
The gaps between a fire door and its frame need to be 2 to 4mm in width to ensure that both the door can close smoothly and that the fire cannot spread through the gap of the fire door.
Our fire door gap gauge is a handy tool designed for easy use thanks to the clearly marked dark blue recommended door gap area.
