Abandoned flue openings

Heating · Masonry Chimneys · printed page 170 (PDF page 171)

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Abandoned Flue Opening with Abandoned Flue Opening Flue – Openings Abandoned

Text in the illustration

sheet metal plate
abandoned flue openings should be properly filled to prevent overheating or leakage of exhaust products

Generated explanation

The illustration shows a masonry chimney exposed inside a room, with an abandoned flue opening covered by a sheet metal plate. A red prohibition symbol marks this closure as improper. An enlarged detail shows the opening filled with masonry units and mortar, accompanied by a green check mark. The annotation explains that abandoned flue openings should be properly filled to prevent overheating or leakage of exhaust products.