On Sat, 15 Mar 2008 18:53:55 +0000, a particular chimpanzee, John Rumm
randomly hit the keyboard and
produced:

Hugo Nebula wrote:

No longer the case. The old 1" door stops do not contribute to the
fire resistance of the door due to the different way fire doors are
now tested.

Does that mean that if you fit FD30 doors you no longer need to use 1"
stops? Or do you need a FD certified frame as well.

1) Correct; you no longer need to use 1" door stops; AND
2) The door and frame come as one tested item; mixing and matching may
invalidate the test.

Googled this morning and found this site:
http://www.firesafe.org.uk/html/fsequip/firedoor.htm
--
Hugo Nebula
"If no-one on the internet wants a piece of this,
just how far from the pack have you strayed?"