Standard Chimney Flue Size

Tables of metal masonry chimney flue vent sizes vs.

Standard chimney flue size.

A flue that s too large may cause the fire to burn more vigorously than necessary. Venting a wood stove. 100 mm unless no flue liner is used in which case a nominal 8 in. 32 to 36 wide 25 to 29 high.

Capping one of these chimneys requires either a standard single flue chimney cap with legs or brackets or a top mounted model. Building codes typically. 150 mm of either floor components ceiling components or rafters. Flues should also mirror the size of a chimney.

Neither chimney nor flue liner may change size or shape within 6 in. A stainless steel flue lining of the same size as the stove outlet will solve this problem. However generally speaking a rectangular chimney flue size should be at least one eight of the fireplace s opening. Even though this tendency can be regu lated by adjusting the damper us ing an oversized flue wastes space and materials.

It is important for the size of the chimney to be correctly calculated to match the fireplace opening. The way wood stoves and fireplaces work a correct match on fitting the flue size to the appliance is a must. For a given fireplace opening and flue size in creasing the chimney height in creases the amount of draft. This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home.

Please call us if you have any questions or need further assistance. If you need to convert round liner dimensions to oval or rectangular try our liner shape calculator for ordering multiple sections of liner pipe try our chimney liner and flue pipe length calculator. Btu input maximum ratings height dimensions other factors. The most popular range of sizes.

As a general rule the diameter of the chimney should match the flue collar on your wood stove. Fireplace flue size specifications relation of fireplace size to flue opening dimensions table of required chimney flue size and flue dimensions for masonry fireplaces. In comparison a 12 inch chimney size provides a cross section of 113 inches through which to vent smoke. Venting a masonry fireplace.

If the flue is circular then it should be at least one tenth the size of the fireplace opening. This article series provides information about masonry fireplaces. Superior clay manufactures a complete line of vitrified clay flue liners from 3 to 36 diameters in round flue liners and from 4 x8 to 24 x24 in square and rectangular flue liners. If a chimney s diameter is six inches then the flue should also measure six.

Socket type joints and self aligning joints are available in round flue liners. Superior manufactures flues with holes contoured flue rings and flue. Single flue chimneys without extended flues this kind of chimney features a flue that is completely flush with its crown. Chimney wall thickness should be a nominal 4 in.

Masonry fireplaces are built to varying sizes.