Fireplace Chimney Shared Chimney Flue Examples

This article reviewscommonly occurring shared chimney flues.

Fireplace chimney shared chimney flue examples.

Although two openings are permitted into a single chimney flue. 801 14 connections to exhauster appliance connections to a chimney or vent equipped with a power exhauster shall be made on the inlet side of the exhauster. Fireplaces on multiple levels can also share one chimney structure. Even the furnace and water heater use separate chimney flues.

Examples include a flue that s too small a chimney that s too short or a lintel horizontal support. For air cooled chimneys attach the inner section first then the outer section. This type of chimney features a hem and lance system that audibly snaps when secured in position. To start attach the first flue section to the vent collar on the fireplace.

A single large chimney with multiple fireplaces on the same floor for example back to back fireplaces on the first floor of a colonial home may share the same flue a single chimney serving fireplaces on two or more different floors may be unsafe and usually not permitted anywhere. A chimney is like a pipe or a tunnel like channel that serves the main purpose of transferring or dispersing smoke heat and flue gasses from stoves and fireplaces out into the atmosphere. Typically homes that are built after the 1900s have a separate flue for each fireplace. Chimneys basically redirect all the unwanted fumes and smoke out into the open without spreading or releasing it inside your home space.

Since the fireplaces are on different stories of the home the chimney extends from the lowest floor through the roof. Each fireplace can face the same direction if you want since they will not block each other. Proper drafting requires chimney and fireplace components to be built in a certain size. R1003 18 chimney clearances any portion of a masonry chimney located in the interior of the building or within the exterior wall of the building shall have a minimum airspace clearance to combustibles of 2 inches 51 mm.

However we do see some chimneys with multiple fireplaces sharing the same flue in homes dating all the way back to the revolutionary war. For example per nfpa 31 and nfpa 211. No combination of solid fuel fired appliances are permitted to be vented into an oil fired or.