My Vitreous needs resealing
A vitreous enamel exit pipe connects your wood burner to the chimney, and the joints need to remain properly sealed to keep the stove operating safely and efficiently.
Importantly, the pipe is not only sealed where it enters the chimney.
It is also sealed where the pipe connects to the stove itself, including inside the stove collar. Heat-resistant rope and fire cement are commonly used to create a secure seal at these joints.
Over time, repeated heating and cooling causes the metal pipe to expand and contract. Movement, vibration, moisture and general wear can eventually cause the fire cement to crack or the rope seal to deteriorate. When this happens, small gaps can develop around the pipe.
Signs that the exit pipe may need resealing include soot marks around the joints, a smell of smoke, smoke or fumes entering the room, or changes in the way the stove performs.
During servicing, both ends of the vitreous pipe should be checked. If the rope or fire cement has deteriorated, resealing the joint helps keep the flue system secure and ensures combustion gases continue travelling safely up the chimney.
It is a relatively small maintenance job, but an important part of keeping your wood burner safe, efficient and reliable.
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