Chimney liner and flue pipe length calculator select pipe or liner type.
Chimney flue length.
Dimensions for square rectangular and round clay flue liner.
For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4.
Click to enlarge any image.
Chimney height also plays a role and taller chimneys generally draft better than shorter ones.
Typical standards require a cross section area of the fireplace flue or chimney vent to be equal to 1 10 of the area of the fireplace opening itself for a conventional wood burning installation and without considering the effects of a glass fire door.
The venting capacity of a rectangular or square masonry flue if translated directly into actual or measured square inches of cross section is less than a round chimney flue of the same square inches of venting capacity.
Solving your chimney s math.
Quality chimney liner material that meets astm and excels in freeze thaw environments.