Chimney Liner Size Calculator

The best way to size your chimney liner is by dropping a tape measure from the top of the chimney crown and measure the distance from that point to the thimble or opening where your appliance or stove will connect to the chimney.

Chimney liner size calculator.

Chimney liner and flue pipe length calculator select pipe or liner type. Use this tool to quickly calculate flue diameter or btu s for single or multiple category 1 appliance venting. Rigid 304l chimney liner rigid 316l chimney liner single wall black stove pipe double wall black stove pipe metalbestos class a chimney pipe rock vent class a chimney pipe 316l inner 430 outer rock vent class a chimney pipe 304l inner galvalume outer rock vent class a. Stainless steel chimney liners while offering unrivaled customer service for the best buying experience.

Chimney liner size calculator and selection guide this handy guide is provided to assist you in choosing the right size and type of chimney liner for your home. For example a liner that is 6 x 10 would be 6 x 10 60 of area. At the chimney crown on your roof you need to measure the inside diameter of your existing flue opening. Then the fireplace opening should be divided by 8 instead of 10.

It s always a good idea to add an extra foot or two just in case. The exception to this rule is when the liner is twice as long as the depth like a 6 x 12 liner. Rockford chimney supply s chimney liner size calculator guide is a great way for anyone to choose the correct size liner and also the correct type of stainless steel. If you need to convert round liner dimensions to oval or rectangular try our liner shape calculator.

To determine the area in a square or rectangular pipe just multiply the length by the depth. For single category 1 appliance. Next inside your home measure the height and width of your fireplace opening.