Throat, smoke shelf and smoke chamber

Heating · Wood Burning Fireplaces · printed page 189 (PDF page 190)

Book index entries

Throat, Smoke Shelf and Smoke Chamber Smoke Chamber – for Fireplace Smoke Shelf for Fireplace For Fireplace Wood Fireplaces

Text in the illustration

drafts
chimney
smoke chamber
damper
throat
smoke shelf
firebox
cross section through chimney
floor joist

Generated explanation

The illustration shows a vertical cross section through a masonry wood-burning fireplace and chimney. The firebox has a sloping rear wall leading up to the smoke shelf, with the throat and damper above the firebox opening. The smoke chamber narrows upward into the chimney flue. Arrows illustrate downward drafts toward the smoke shelf and upward airflow into the chimney. A concrete support beneath the fireplace and an adjacent wood floor joist are also shown.

Components

firebox smoke shelf throat damper smoke chamber chimney chimney flue flue liner hearth concrete hearth support floor joist

Materials

brick masonry mortar concrete wood

Related illustrations

1061

Masonry fireplace components

· p. 185

The illustration shows a cross section through a masonry wood-burning fireplace and chimney, from the footing and basement ash pit to the lined chimney and chimney cap. The firebox connects through the throat and damper

0959

Basic masonry chimney and fireplace components

· p. 163

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