Chimney Liner Capacity

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.

Chimney liner capacity.

4 x 10 m flex aluminum liner 10 insulation sleeve exterior intake and 2 hose clamps. The capacity of a chimney depends on the potential chimney draft the pressure difference created by the inside and outside air temperature difference and chimney height and the chimney area. This is no job to cut corners though. The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don t want the liner to be three times the area of the exhaust hole of the appliance.

The proper amount of fresh combustion air is brought in with the fresh air kit directly to wood or pellet stoves ensuring optimal performance. Metal chimney liners usually of stainless steel or aluminum are primarily used to upgrade and repair existing chimneys. For single category 1 appliance. The pressure difference in the chimney pulls air and fuel gas from the boiler or fireplace through the chimney and out of the building.

Installing a stainless steel chimney liner down your chimney is the best and most economical way to revive a deteriorated chimney flue. Chimney liner size calculator amp. Doing the work as a d i y homeowner can save hundreds and possibly thousands of dollars. For example an 8 x 8 square nominal clay chimney flue tile liner has inside dimensions of 6 3 4 x 6 3 4.

Use this tool to quickly calculate flue diameter or btu s for single or multiple category 1 appliance venting. Guide provided by rockford chimney. Stainless steel chimney liners while offering unrivaled customer service for the best buying experience.