Roof Framing Around Chimney

I have a concrete block chimney in my basement with a clay liner.

Roof framing around chimney.

Typically uses 2x4 structural members sheathed with osb or plywood exterior building sheathing. This article describes the fire clearances required for masonry chimneys. If the chimney only had only one or two flues and was built in a wood frame house the chimney walls were built 8 thick as they passed through the roof. The existing upstairs walls are framed up against the brick afik and it has been that way since the house was built in the mid 70s also afik.

Properly framed and constructed the portion of the chimney chase that extends above the roof surface at a height to meet the roof clearance distances will not require extra bracing. Chimney fire clearance distances between masonry wood framing. Modern code makes it difficult to build chimneys with exposed masonry walls in contact with baseboards flooring and combustible ceilings. You will frame it following standard techniques for ceiling penetrations such.

For wind resistance if the chimney. Add infill framing to strengthen the roof between the trusses flanking the chimney. A brick chimney requires special treatment in seismic areas. And the house hasn t burned down.

Framing the chimney chase. Framing around chimney 01 12 2006 02 54 pm.