A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacer;
3- 0.024 in (0.61 mm) thick sheet metal;
4- Non-combustible support;
5- Ceramic tile or non-combustible material.
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- Brick.
A- 1 in. (25 mm) minimum;
1- Combustible wall;
2- Non-combustible spacers;
3- 0.024 in (0.61 mm) thick sheet metal;
4-Brick.
Graphic 4
Graphic 5
Graphique 6
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