DIY Wood Stove Damper Gasket Video. But if the door used to be okay and now seems too loose, first check the door gaskets. Here is some help from chimneys.com to fix them.
Wood and coal stove manufacturer's cross reference. This stove is approved for use with wood pellets only. They ensure that pieces of the stove that open and close, such as doors, ash pans, and dampers, remain airtight.
A damper is a movable metal plate designed to inhibit the flow of smoke.
If the incoming combustion air cannot be shut down because of leaky woodstove or coal stove gaskets or other damage, the coal stove. But if the door used to be okay and now seems too loose, first check the door gaskets. Part of manipulating the flames and heat is the use of a damper. Well you're in luck, because here they come.