Firebrick on walls

Heating · Wood Burning Fireplaces · printed page 187 (PDF page 188)

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Firebrick on Fireplace Walls Walls – Firebrick Wood Fireplaces

Text in the illustration

chimney
damper
the walls of masonry fireplaces typically consist of 2" to 4" thick firebricks set in refractory mortar
firebox
ash dump
floor joist
cross section through chimney

Generated explanation

The illustration shows a cross section through a masonry fireplace and chimney, with a firebrick-lined firebox. The annotation specifies that masonry fireplace walls typically consist of 2" to 4" thick firebricks set in refractory mortar. The rear firebox wall slopes inward toward the throat, where a damper is shown below the chimney passage. An ash dump opens through the firebox floor into a cavity below, and a wood floor joist meets the edge of the masonry hearth support.

Components

masonry fireplace firebox walls firebrick lining chimney damper ash dump firebox floor hearth support floor joist

Materials

firebrick refractory mortar brick masonry concrete wood