thickness of insulation, how much is best?

Hi lookin for advise on the above in new extension, what thickness of insulation do you put in walls, floors and roof of an extension??
I want to make it as insulated as possible, what the norm? what is best latest eco friendly thinking ?? tyoes of stuff would be rgeat too, any ideas??

Thanks

Re: thickness of insulation, how much is best??

Kingspan insulation all the way walls 70mm roof ,100mm. Also I here sheeps wool is good but dont know much about it

Re: thickness of insulation, how much is best??

breathnach1 said:

Kingspan insulation all the way walls 70mm roof ,100mm. Also I here sheeps wool is good but dont know much about it

Click to expand...

breathnach is correct kingspan are market leaders. If you go to their website, you will find a phone number for the tech. department they will advise you on what best suits your needs.

Jaid