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constructing a warm flat roof

Joined
8 Mar 2007
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hi im doing my flat roof im gonna insulate it using kingspan so ive got to deck it first put down my kingspan then install my 18mm board on top what i cant see is how do you bolt the top board through the kingspan any help in this matter much appreciated thanks in advance
 
kingspan make a ply bonded insulation deck that fixes straight to the joists.

no need to buy two separate products.

you will need to use the 97mm thick version if you are going to adhere to building reg's.
 
Long screws! Screwfix do them

You don't need 18mm ply on top. 6mm will do, but 9 or 12 would be OK
 

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