Osburn OB01111 - Manual (Page 15)

15
Graphic 5
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- Brick.
Graphique 6
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- 0.024’’ (0.61 mm) thick sheet metal;
4- Brick.