Author Topic: PU Foams  (Read 4264 times)


Offline Golden

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Re: PU Foams
« Reply #1 on: January 27, 2016, 09:32:01 AM »
A good reminder of their failings - I love that top picture with the cable tie securing the pipe collar!!

Offline gor810

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Re: PU Foams
« Reply #2 on: February 02, 2016, 11:24:38 PM »
 :)An excellent article. I learned something.

Offline Fishy

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Re: PU Foams
« Reply #3 on: February 03, 2016, 08:38:17 AM »
Best avoided completely, as its usually the case that the situations where it does have evidence of fire performance are so restrictive that it's almost a waste of time putting the stuff in.  Some of the "4 hour" materials' small print reveal that they only claim to be fire-resisting in small linear gap joints when backed with rockwool!

Saw some of this around steam pipes in a nuclear power station many moons ago - the heat had caused it to discolour and degrade & it was falling apart simply from the heat from the pipes!  Needless to say I had it ripped out...

Having said all the above, it's extremely effective at holding my double glazing in (well, so far...)!