Roof Framing Around Chimney

And the house hasn t burned down.

Roof framing around chimney.

Framing around chimney 01 12 2006 02 54 pm. Framing the chimney chase. You will frame it following standard techniques for ceiling penetrations such. How to frame around a brick chimney above the ceiling.

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

Nail 2 by 4 lumber between the top and bottom chords of the trusses flanking the bottom and top of the chimney. Add infill framing to strengthen the roof between the trusses flanking the chimney. A brick chimney requires special treatment in seismic areas. Modern code makes it difficult to build chimneys with exposed masonry walls in contact with baseboards flooring and combustible ceilings.

Chimney fire clearance distances between masonry wood framing. This article describes the fire clearances required for masonry chimneys.