Can a clay chimney liner be repaired?

When a clay chimney liner has deteriorated, Cast-in-Place is an option that allows you to restore the liner without the complications or expense involved with rebuilding. Most masonry chimneys are built with clay tile liners because they are economical and durable.

Which way up does a clay flue liner go?

Which way up should flue liners be installed? Flue liners should be laid with the socket of each section uppermost. This ensures that condensates and rainwater are not able to leak out from the flue into the surrounding masonry.

Can you use clay flue for a chimney liner?

However, sometimes the existing clay flue tile chimney liner is already at its minimum capacity and the tiles will need to be broken out so the chimney can accept a larger stainless steel liner.

What kind of mortar to use for fireclay flueliners?

“Fireclay flueliners shall be laid in medium duty refractory mortar conforming to ASTM C 199 with tight mortar joints left smooth on the inside and installed to maintain an airspace or insulation not to exceed the thickness of the flue liner separating the flue liners from the interior face of the chimney masonry walls.

How big is a superior clay flue liner?

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. Socket type joints and self aligning joints are available in round flue liners.

Do you have to put mortar between clay flue tiles?

You must have mortar between butt ends of the clay flue tile. That’s what makes the air tight seal. The outside size of the clay tile is smaller than the inside of the chimney block it goes into. What the discussion is about is should this entire void be filled with mortar. It should not.