Basic masonry chimney and fireplace components

Heating · Masonry Chimneys · printed page 163 (PDF page 164)

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and Fireplace Components – Masonry Fireplace – and Chimney Components – Masonry and Fireplace Components

Text in the illustration

flue liner
chimney cap
chimney walls
chimney
roof rafter
ceiling joist
drywall or plaster
smoke chamber
mantel shelf
damper
throat
smoke shelf
hearth
hearth extension
firebox
floor joist
ash dump
ash pit
basement
chimney cleanout
foundation wall
footing
basement floor slab
cross section through chimney

Generated explanation

The illustration shows a cross section through a masonry fireplace and chimney, from the foundation footing to the chimney cap. The firebox opens through a throat and damper into the smoke chamber, which narrows into the lined chimney flue; a smoke shelf sits behind the damper. The hearth and hearth extension are shown at floor level, with a mantel shelf above the fireplace opening and a floor joist adjoining the hearth support. An ash dump leads into an ash pit below the firebox, with a cleanout accessible from the basement. The upper chimney section shows masonry walls and a flue liner beside a roof rafter, ceiling joist, and drywall or plaster, while the lower section shows the foundation wall, footing, and adjacent basement slab.

Components

Materials

brick masonry mortar concrete wood drywall or plaster flue liner tile aggregate

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