Roof Framing Around Chimney

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

Roof framing around chimney.

Framing the chimney chase. For wind resistance if the chimney. Framing around chimney 01 12 2006 02 54 pm. Modern code makes it difficult to build chimneys with exposed masonry walls in contact with baseboards flooring and combustible ceilings.

Nail 2 by 4 lumber between the top and bottom chords of the trusses flanking the bottom and top of the chimney. 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. This article describes the fire clearances required for masonry chimneys. Chimney fire clearance distances between masonry wood framing.

And the house hasn t burned down. A brick chimney requires special treatment in seismic areas. Add infill framing to strengthen the roof between the trusses flanking the chimney. You will frame it following standard techniques for ceiling penetrations such.

The distance between a brick stone concrete block or other masonry chimney and the nearest combustible material such as wood framing is an important fire safety consideration that must be respected. Typically uses 2x4 structural members sheathed with osb or plywood exterior building sheathing.