Nordpeis N-27 Manuel D'installation page 13

Recess example
Note! Note!
The dimensions are the minimum The dimensions are the minimum
dimensions, unless otherwise dimensions, unless otherwise
stated.. stated..
Wall of combustible material
Wall of non-combustible material, made of 100 mm
aerated concrete in the recess example.
Wall of non-combustible material that is not in contact
with combustible material and therefore has no mini-
mum thickness requirement.
Chimney breast
500
600
GB
100
100
100
100
100
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