Installation Clay Chimney Flue

Terra cotta flue intent is to contain the combustion products and direct them to the outside atmosphere.

Installation clay chimney flue.

Clay flue liners ensure that debris and gases produced from burning the chimney fuel don t stick to the internal lining of the chimney. They help protect the chimney walls from heat and minimize condensation. Superior clay manufactures a complete line of vitrified clay flue liners from 3 to 36 diameters in round flue liners and from 4 x8 to 24 x24 in square and rectangular flue liners. Lay out the sheets and then roll them so that they are slightly smaller than the chimney space.

What the discussion is about is should this entire void be filled with mortar. From removal of the existing tile liner to preparation and installation of the new supaflu liner we demonstrate the basic installation process of the supafl. Subscribe to this old house. Clay flue liners shall be installed in accordance with astm c1283 and extend from a point not less than 8 inches 203 mm below the lowest inlet or in the case of fireplaces from the top of the smoke chamber to a point above the enclosing walls.

3 ft minimum 2 ft minimum 10 ft minimum general instructions when using refractory mortar do not apply a full mortar joint. You must have mortar between butt ends of the clay flue tile. Superior manufactures flues with holes contoured flue rings and flue. Refractory mortar is designed to be used sparingly.

That s what makes the air tight seal. Use to line chimneys. Cast in place liners have natural insulating properties. When you have done this attach a string to the top surface of the flue and send the string up the chimney.

Clay flue liners have another fire fighting feature. The outside size of the clay tile is smaller than the inside of the chimney block it goes into. Merely seal ing and adhering masonry materials together like a gasket. Check with your local code enforcement officer or fire dept for proper installation.

Clay lined chimneys with a liner piping insert large enough to vent the fireplace may not need insulation. This means that even if a chimney fire occurs the clay tiles cannot withstand the heat and break easily. They have low thermal resistance. Socket type joints and self aligning joints are available in round flue liners.

Male end is always installed down. Place a few screws along the edge of the sheet and screw it in tightly.