We’re regularly contacted by people asking about a metal plate at the top of the inside of their wood-burning stove.
Sometimes they call it a ‘roof’ or a ‘ceiling’, sometimes they call it a ‘panel’.
Often they want to know what it is and what is its purpose. Usually they haven’t even noticed it was there until there was a problem, such as the plate has fallen from its position.
No doubt plenty more people are searching Google for information on the metal plate ‘roof’ at the top of their woodburner, so we decided to write this blog post in the hope that we might be able to offer them some assistance.
The plate is actually called a baffle plate. Once you know that, you will be able to find out a lot more information about the mystery panel.
As the descriptive queries we receive suggest, the baffle plate sits at the top of the inside of a woodburner, just below the top of the firebox.
Its purpose is to stop gases escaping straight up the flue pipe. The baffle serves as a barrier to the most direct route for gases to leave the firebox. By delaying the gases’ exit, the baffle allows more of the flammable gases to be burnt rather than leaving the stove unspent. The benefits of this of two-fold.
Firstly, it means you get more bang for your buck from your fuel. By ensuring as much as possible of the fuel’s flammable gases are burnt, you’re getting the maximum heat generation from each load of fuel.
Secondly, it is better for the environment for the flammable gases to be burnt inside the stove rather than disappearing up the chimney and into the air unspent. A baffle plate makes for a greener burn.
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Unit 1C, Chetwynd Lodge Chester Road Newport, Telford TF10 8AB