NCL - CHC workshop #1

Chimney Repair for Historic Homes
NAPA COUNTY LANDMARKS, INC .
City of Napa Cultural Heritage Commission Workshop
17 January 2009
© Juliana Inman Architect

Maintain integrity by using the Secretary of the Interior Standards
6. Deteriorated historic features will be repaired rather than replaced. Where the severity of deterioration requires replacement of a distinctive feature, the new feature will match the old in design, color, texture, and, where possible, materials. Replacement of missing features will be substantiated by documentary and physical evidence.

Chimney damage Napa 2000 earthquake:
1989 – brick chimney toppled in 2000

Recommended City of Napa chimney repair techniques – interior braced:
Install bond beam ant attic level; replace masonry with light gauge framing; brace at attic and roof level; use appropriate exterior finish; add cap. In this case, replicate original sheet metal sleeve. Use documentary and pictorial evidence.

Chimney repair – interior chimney, braced by wood framing:
Original Luther Turton drawing showing metal sleeve detail

Chimney repair – exterior wall location, unreinforced stone – needs structural engineering:
Patchetau’s Castle, Calistoga

Chimney repair – exterior location, un-braced by wall framing :
Light gauge framing above masonry firebox; brace to roof and at attic level inside

Chimney repair – sheet metal sleeve and decorative cap to match original:

Chimney repair – light gauge framing with metal sleeve and cap to replicate original:
An original Luther Turton chimney cap

NCL - CHC workshop #1

by mizblueprint on Feb 05, 2009

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