Hearth materials

Heating · Wood Burning Fireplaces · printed page 186 (PDF page 187)

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Book index entries

Materials Hearth – Materials Wood Fireplaces

Text in the illustration

chimney
inner hearth is typically 1" or 2" thick firebrick which can be laid with or without mortar
hearth extension can be ceramic tile, slate, marble, brick or any other noncombustible material
firebox
ash dump
floor joist
at least 4" of concrete or a 6" thick trimmer arch if brick is used
cross section through chimney

Generated explanation

The illustration shows a cross section through a masonry wood-burning fireplace and chimney, including the firebox, ash dump, inner hearth, and hearth extension. The inner hearth is identified as typically 1 or 2 inches of firebrick, laid with or without mortar. The hearth extension projects in front of the firebox toward the wood floor framing and may be finished with ceramic tile, slate, marble, brick, or another noncombustible material. Its supporting construction is specified as at least 4 inches of concrete or a 6-inch-thick trimmer arch if brick is used. No defective condition is depicted.

Components

masonry chimney firebox inner hearth hearth extension ash dump hearth support floor joist

Materials

brick firebrick mortar concrete ceramic tile slate marble wood