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.
Chimney liner sizing chart.
A 10 1 ratio should be used for chimneys less than 25 feet in height and a 12 1 ratio for chimneys greater than 25 feet in height.
Find the liner size by comparing the 90 to the cross sectional area chart for round liners in chart a.
Doing the work as a d i y homeowner can save hundreds and possibly thousands of dollars.
Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue.
Up to 600 sq.
601 760 sq.
Figure the opening for the fireplace.
If you are using a round liner and the chimney height is more than 8 above the fireplace opening you can divide the 1080 by 12.
Area length x width 12.
Please call us if you have any questions or need further assistance.
Click below to calculate the area needed for fireplace liners of various shapes.
The chart below uses a 10 1 ratio.
This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home.
Figure the opening for the fireplace.
This is no job to cut corners though.
Guide provided by rockford chimney.
Area length x width x 1 2.
Figure the opening for the fireplace.
Area length x width.
A 10 liner only has 78 5 of area and will be too small.
This amount equals 90.