In article ,
The Natural Philosopher writes:
On 20/12/17 23:24, Andrew Gabriel wrote:
In article ,
Cynic writes:
I'd be cautious about using celotex or kingspan.

A giant +1 on that - shouldn't be anywhere near a heat source.

Why?

Max working temp is 150C, which is well below storage heater
temperature, and at 200C, it starts breaking down.

--
Andrew Gabriel
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