Fireplace Liner Sizing Chart

Area length x width 12.

Fireplace liner sizing chart.

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. Area length x width x 1 2. Guide provided by rockford chimney.

Click below to calculate the area needed for fireplace liners of various shapes. 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. Measure the height and width of your fireplace opening inside your home. Measure the height of your chimney from the top crown of your chimney to the top of the smoke chamber inside your chimney.

Area length x width. So in the example above where the fireplace had 1080 of area it should be divided by 10 which means a liner with 108 of area is needed. Effective flue area the types of flue liners avail. Flue liners to be only 1 12 the area minimum 50 square inches but requires 1 10 the area minimum 64 square inches for square or rec tangular liners.

When sizing a fireplace for a square or rectangular liner the 1 10 ratio should be used. Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue. Steps to calculate a fireplace liner size. Figure the opening for the fireplace.

Please call us if you have any questions or need further assistance. The federal hous ing administration fha requires flue liners 1 8 the area of the fire place opening if the chimney is less than 15 feet tall 1 10 for chim neys 15 feet and taller. This means that the area of the liner should be 1 10th of the fireplace opening. Height ft step 2.

Doing the work as a d i y homeowner can save hundreds and possibly thousands of dollars.