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150mm PIR insulation build up


Moonshine

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I am about to order the PIR for my floors, after the tears that its 40% more than my original costing i am just figuring out the best build up.

 

Its a total thickness is 150mm which i can get 2.4 x 1.2m sheets of 150mm for £47 ex VAT (recticel Eurothane GP), but figure it will be easier to cut and stagger joints if i do 100mm and 50mm, which would be £48 ex VAT for 2.4 x 1.2m sheets or 100mm and 50mm.

 

Thoughts?

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23 minutes ago, crispy_wafer said:

May I ask where you are getting the 150mm from at that price please?

 

CCF, though after phoning them, it appears that the local branch can't get the recticel and they can only off the more expensive celotex

 

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16 minutes ago, DragsterDriver said:

yep that’s how I’m looking. Frametherm 140mm has gone through the roof-

im now trying to work around that 

 

Could you use dritherm 32? i and getting 150mm thick for £10.22 M2.

 

Though i guess there is the issue of cutting it, as it comes in 455mm wide batts what will be a pain to cut into 400 cts timber

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1 hour ago, Moonshine said:

 

Could you use dritherm 32? i and getting 150mm thick for £10.22 M2.

 

Though i guess there is the issue of cutting it, as it comes in 455mm wide batts what will be a pain to cut into 400 cts timber


isover 140mm frame roll 32 is £13m2 inc vat today.


can cavity dritherm be used in a timber frame? I don’t know tbh.

 

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