Chimney Liner Size Calculator

Chimney liner and flue pipe length calculator select pipe or liner type.

Chimney liner size calculator.

For your fireplace you need to calculate the maximum size flue liner you can install. Then the fireplace opening should be divided by 8 instead of 10. If you need to convert round liner dimensions to oval or rectangular try our liner shape calculator. 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.

At the chimney crown on your roof you need to measure the inside diameter of your existing flue opening. To determine the area in a square or rectangular pipe just multiply the length by the depth. Stainless steel chimney liners while offering unrivaled customer service for the best buying experience. The exception to this rule is when the liner is twice as long as the depth like a 6 x 12 liner.

For example a liner that is 6 x 10 would be 6 x 10 60 of area. In a few simple steps you ll be able to see your options for chimney liner size and type. It s always a good idea to add an extra foot or two just in case. Use this tool to quickly calculate flue diameter or btu s for single or multiple category 1 appliance venting.

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. Choose the type of appliance you have measure the exhaust collar of the appliance. 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.