13
15/16
12
12
6
2/3
7
1
5
6
8/9
14
7
1
4
10
6
11
11
45
A
A
B
B
If chimney penetrates dotted area such that A is less
than 300mm, B shall not be less than 300mm.
A = 600mm
B = 2000mm
The flue terminal shall not penetrate the shaded
area of the roof.
RF9807
A
A
B
A