
GB
30
20
800
100
100
100
20
100
100
500
600
20
100
100
100
20
100
100
500
Wall of combustible material
600
20
100
100
100
Wall of non-combustible material, made
of 100 mm aerated concrete in the
recess example.
20
100
100
500
Wall of non-combustible material that
is not in contact with combustible
material and therefore has no minimum
thickness requirement.
Recess example
Chimney breast
550
max 100
20
100
Area ut min. 600 cm
2
Area in min. 600 cm
2
(I 10 min 2100)
(I 20 min 2300)
Note!
The dimensions are the minimum
dimensions, unless otherwise stated.
Note!
The dimensions are the minimum
dimensions, unless otherwise stated.
20
100
RECESSING ThE INSERT