On 10/11/2013 19:47, The Natural Philosopher wrote:
On 10/11/13 19:36, John Rumm wrote:
On 10/11/2013 18:58, dennis@home wrote:

I wouldn't put timber on top of polystyrene, the fire risk and toxic gas
would make it bad.

Proper PIR foam is fire retardant[1], and insulates better anyway.

[1] as is jablite etc to be fair.

It flipping well aint.

Its a building regs requirement the polystyrene is treated with flame
retardants these days.


--
Cheers,

John.

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