Settled (gap at wall)

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

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Breast for Fireplace Settled (Gap at Wall)Fireplace – Breast Settled (Gap At Wall)Wood Fireplaces

Text in the illustration

chimney
gap develops - watch for smoke staining on the wall behind the mantel shelf
rotation
mantel shelf
stone veneer fireplace face
firebox
floor joist
downward
sag
cross section through chimney

Generated explanation

The illustration shows a cross section through a masonry wood-burning fireplace and chimney, with a stone veneer fireplace face and mantel shelf. Rotation of the fireplace breast is indicated by a curved arrow, with a gap developing at the wall behind the mantel shelf. An annotation advises watching for smoke staining at this gap. Below the firebox, a crack is shown in the supporting masonry or concrete, and the adjoining floor joist slopes downward toward an arrow labeled downward sag.