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Here is my situation. I have a non-circulating, “radiant,” steel firebrick-lined fireplace insert on which the firebox opening begins 7 inches above the bottom of the unit. I want a 20 inch raised hearth installation. We will build the stud wall fireplace housing with a 13-inch high frame platform inside, that elevates the firebox opening to the 20-inch height. My question concerns the construction of the elevated hearth. Should it be framed up, with the top then covered in sheet metal, then sheeted with cement board? Should the face of the hearth frame box that faces the fireplace unit be faced also with cement board? (The hearth frame box, finished, is about 20 inches high, but bears against the 7 inches of fireplace insert below the firebox opening.) Hearth finish material is porcelain tile.
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Replies
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Check the installation instructions (NOT the operating instructions; sometimes they come in separate books so the installer can throw one away). My Majestic fireplace came with VERY explicit instructions for all clearances, including the Hearth area.
Don't have them? Try the store where it came from or the manufacturer.
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Here is my situation. I have a non-circulating, "radiant," steel firebrick-lined fireplace insert on which the firebox opening begins 7 inches above the bottom of the unit. I want a 20 inch raised hearth installation. We will build the stud wall fireplace housing with a 13-inch high frame platform inside, that elevates the firebox opening to the 20-inch height. My question concerns the construction of the elevated hearth. Should it be framed up, with the top then covered in sheet metal, then sheeted with cement board? Should the face of the hearth frame box that faces the fireplace unit be faced also with cement board? (The hearth frame box, finished, is about 20 inches high, but bears against the 7 inches of fireplace insert below the firebox opening.) Hearth finish material is porcelain tile.