An efficient wood stove can heat your home, lower your heating bills, and create a pleasant ambiance for a cool winter evening. These benefits come with a few challenges, however, and one of them is finding a location in your home that has enough room for the wood stove on all sides. A properly designed heat shield can reduce these clearances while ensuring a safe installation of the furnace.
A wood jet stove without a built-in heat shield requires at least three feet of air space between the stove. And combustible materials, including wood studs hidden behind drywall. This distance applies to all sides of the woodstove, so the headroom required for a wood stove installation can be surprisingly large. The most common way to reduce the required clearance is to place a heat shield on the wall surfaces next to the woodstove.
Wood Stove Design Ideas
It is important to understand the basic concept of a heat shield. Masonry materials such as brick, tile. And stone does not provide a heat shield when these materials are attached directly to a wall surface. Masonry heats up slowly, but once it gets hot it easily transfers that heat to the wall. The foundation of a heat shield is not masonry, but airspace, because airspace allows harmless heat release to the environment. A heat shield should have an air gap separating it from the wall. And there should be gaps at the top and bottom for the air to enter from the bottom and exit from the top.
Perhaps the simplest heat shield is made from 28-gauge sheet metal. That covers all parts of the wall within 36 inches of the woodstove. This sheet metal must be separated from the wall by at least 1 inch of air space. And the material used as a spacer between the metal and the wall must be non-flammable. Woodstove suppliers sell specially designed ceramic spacer packs for this purpose
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