Osburn OB01111 - Manual (Page 14)

14
Graphic 2
A- 1 in.(25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- 0.024’’ (0.61mm) sheet metal.
Graphic 3
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- Non-combustible support;
4- Ceramic tile or non-combustible material.
Graphic 4
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacer;
3- 0.024’’ (0.61 mm) thick sheet metal;
4- Non-combustible support;
5- Ceramic tile or non-combustible material.