Wall insulation - insulated plasterboard v rockwool

pabloh999 · 2012-08-28 12:24:18

Currently planning an extension, builder has suggested he uses 45mm batons with 60mm rockwool on the hollow/cavity block walls. I think that insulated plasterboard(62mm probably) would be better. Any suggestions?

28-08-2012 01:24PM

#1

pabloh999

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Currently planning an extension, builder has suggested he uses 45mm batons with 60mm rockwool on the hollow/cavity block walls.
I think that insulated plasterboard(62mm probably) would be better.
Any suggestions?

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#2 28-08-2012 08:43PM

BryanF

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IMO there both unsuitable types of insulation for a new extension, and will hardly meet current regs.

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#3 28-08-2012 09:10PM

sinnerboy

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^ wot he said

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#4 28-08-2012 11:19PM

jakko86

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^ 2nd that.

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#5 29-08-2012 05:01PM

pabloh999

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Ok thanks

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#6 29-08-2012 07:30PM

BryanF

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So your your options for that type of builder is block/ 150+ cavity/ block or block on flat with 150+ external wall insulation. But given what you've told us I'd recommend you get a drawing and spec prepared by an arch/ arch tech and select a different/ several different builders to price

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