How To Build A Clay Lined Chimney

Line up the ruler along the marks and draw a line across all four faces of the flue liner. 1 Woodburning Stove Multi Fuel Stove or Gas Stove 2 Single Skin Stove Pipe 3 Adaptor To Clay Liners 4 Register Plate Can be steel or fireproof board Important. A better approach and the one used by most chimney repair masons who are not going to simply reline the flue is to remove all of the damaged materials down to sound chimney flue liner and brick or block then rebuild with new clay flue liner and brick or block adding an appropriate chimney. Place the end of your tape measure against the side of the flue which is the clay or metal tube coming out from the top of your chimney.

Check Details Reclaimed Terracotta Flue Chimney Liners A And D Reclaim

Once the base is solid enough start building the chimney.

How to build a clay lined chimney. Next construct the flue liner and the outside of the. The lining shall be carried up vertically with a maximum slope not greater than 30 degrees 052 rad. Build the liner placing blocks one on top of the other with mortar in between.

Dig a 4 feet square hole where the chimney will be. Rigid sections of clay or refractory liner installed by cutting into the flue wall or by lowering down from the top of the chimney. Place the first clay flue pipe on these rods.

They have low thermal resistance. Due to this the fire is readily extinguished. Lay a full chimney block above the clean out door.

An approved fire-resistant material which lines the inside of the flue usually made of refractory concrete or impervious clay but sometimes metal. Exterior construction adhesive may also be used to attach pot to chimney cap. Center the decorative pot over the flue liner and mortar securely to the chimney cap.

Lay a 12-inch thick bed of mortar on the floor to begin construction of the chimney. This process is known simply as breakout. Understanding Clay Flue Liner Problems.

A brief list of these is as follows. In the case of masonry chimneys that vent wood-burning fireplaces the defective clay liner will be removed prior to the installation of the stainless steel liner. For example if youre building a chimney for a fireplace you would start building right on top of the fireplace hearth.

Build a clay flue liner inside the chimney block. Clay flue liners have another fire-fighting feature. When constructing the chimney around the flue liner an air space must be maintained between the chimney wall and the flue liner of not more than the thickness of the flue liner wall.

Step 2 Put on safety glasses and place the teeth of the diamond saw blade on the pencil line slightly in from the closest corner of the flue. These steel rods are going to hold the clay flue. Remove all excess mortar from the interior of the flue liner.

Lay chimney blocks and clay flue pipe to the height where the indoor stovepipe is going to enter the chimney. Take measurements for the length width and height of the chimneys flues. Our certified reliner will use a high-power drill with special rods to shatter and dismantle the defective clay liner.

All chimneys have to be built with a flue lining to protect the masonry from combustion gases of which the lining also improves the flow. Assemblestack sections of chimney pot if applicable. Insulating concrete pumped inaround an.

Below you will find the products needed to install a stove into an existing unlined chimney. Lay some pieces of re-rod or spike nails across the opening of this chimney block. Place 6 inch thick concrete slab.

Make a solid base in the floor of the basement. Lay your bricks spreading them with mortar and leveling them both horizontally and vertically as you go. The flue liner must be allowed to freely expand and contract and not be bonded to the surrounding masonry.

This means that even if a chimney fire occurs the clay tiles cannot withstand the heat and break easily. Clay flue liners ensure that debris and gases produced from burning the chimney fuel dont stick to the internal lining of the chimney. Tap on the block firmly with the trowel handle to seat the block in the mortar.

A flue lining in a masonry chimney is defined as A clay ceramic or metal conduit installed inside of a chimney intended to contain the combustion products direct them to the outside atmosphere and protect the chimney walls from heat and corrosion Although building codes vary from one state or locality to another the installation of flue. Several methods are available for inserting a lining into an existing flue. Measure and mark on the flue liner where the cut is to be made.

Be sure to include weep holes between the decorative pot and the chimney cap to drain away any water that may enter. Step 3 Position a 24-inch-square cement block onto the mortar bed. 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.