Running lighting cables inside insulated roof/ceiling
On Thursday, 6 March 2014 10:43:30 UTC, wrote:
I am still getting to grips with calcuating U-values so I might give that
alternative a thought. I'd always assumed PIR boards were generally always
better performers than mineral wool etc for a given thickness though?
which alternative?
Sorry, I meant 'cheap squishy stuff' (which I assumed to mean mineral wool type offerings).
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