And make sure the chimney cap is the type with a four-sided spark arrester.
From the dailyherald.com
A chimney cap and a spark arrester can reduce risks.
From the sacbee.com
For example, a missing or damaged spark arrester makes a chimney unsafe, but the repair is simple and inexpensive.
From the dailyherald.com
Equip chimneys and stovepipes with a spark arrester that meets the requirements of National Fire Protection Association Code 211.
From the heraldtribune.com
Turn the key, stomp the starter button on the floor, adjust the spark arrester, mash the left pedal down, move the throttle lever down, and you're off.