Open Fireplace Flue Liner

Open fires with larger fireplace openings usually freestanding grates will need larger flue sizes calculated alongside the height of the chimney and required ventilation.

Open fireplace flue liner.

This can cause confusion as many view flues not just as a passage for venting but as a safe passage for venting. There s a misconception that masonry chimneys are simply made. The type of fireplace will determine the size of flue liner for example an open fire fireplace will require a flue liner that ranges in diameter from 8 to 10 inches. From the roof insert the stainless steel liner into the chimney and feed it all the way down to the fireplace.

Clean the interior of the chimney flue using an electric drill and flue brush on an extension shaft. An unlined chimney is technically a flue even though an unlined chimney is a fire hazard. Adjusting the damper allows you to burn a fire efficiently and safely. Because it s hard to see into your chimney you may be uncomfortable determining whether your chimney professional is accurately assessing your needs.

Which one you choose largely depends on how old your home is and when you had the liner repaired or replaced last. However a gas fireplace will require a much smaller flue liner you are able to use a flue liner that is only 5 to 6 inches in diameter. There are two options for confirming a diagnosis of damaged chimney liner. From inside the house open the flue and look up as far as you can.

A flue may be a duct pipe vent or chimney. Most british open fires were and still are designed to burn coal at up to 25. Please call us if you have any questions or need further assistance. Flue liners 1 8 the area of the fire place opening if the chimney is less than 15 feet tall 1 10 for chim neys 15 feet and taller.

It s essential that flue liners are of the right type for the fire or appliance. Open wood burning and coal fires require a class 1 flue liner with a minimum diameter of 200mm. Round or oval liners are common in seismic areas because they fa cilitate placement of reinforcing steel at the chimney. If you need to convert round liner dimensions to oval or rectangular try our liner shape calculator for ordering multiple sections of liner pipe try our chimney liner and flue pipe length calculator.

Where possible leaky mortar joints should be made good prior to lining the flue. The airtightness of a flue can be tested using smoke pellets available from diy stores. The most common type of chimney liners are clay tiles. But even where a flue is already lined old steel liners eventually suffer from corrosion.

Types of chimney liners. This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home. The three primary types of chimney liners used are clay tile cast in place and metal flue liners.