Plus the fire code requires a more frequent inspection of the wood burning stove....... Lack of maintenance on any exhaust system will allow the fire to overwhelm the fire suppression system or efforts to suppress the fire.
TABLE 609.3.3.1 COMMERCIAL COOKING SYSTEM INSPECTION FREQUENCY
[TABLE=cellpadding: 2, cellspacing: 0]
[TR]
[TD=width: 267, align: center]TYPE OF COOKING OPERATIONS[/TD]
[TD=width: 151, align: center]FREQUENCY OF
INSPECTION[/TD]
[/TR]
[TR]
[TD=width: 267]High-volume cooking operations such as 24-hour cooking, charbroiling or wok cooking[/TD]
[TD=width: 151, align: center]3 months[/TD]
[/TR]
[TR]
[TD=width: 267]Low-volume cooking operations such as places of religious worship, seasonal businesses and senior centers[/TD]
[TD=width: 151, align: center]12 months[/TD]
[/TR]
[TR]
[TD=width: 267]Cooking operations utilizing solid fuel-burning cooking appliances[/TD]
[TD=width: 151, align: center]1 month[/TD]
[/TR]
[TR]
[TD=width: 267]All other cooking operations[/TD]
[TD=width: 151, align: center]6 months[/TD]
[/TR]
[/TABLE]