Chimney Flue Liner Open Fire

The most appealing focal point in any room must be the fireplace.

Chimney flue liner open fire.

The effect of a chimney fire on your chimney masonry chimneys when a chimney fire occurs in a masonry chimney whether the flue is an older unlined type or tile lined to meet current safety codes the high temperatures at which they burn around 2000 f can melt mortar crack tiles cause liners to collapse and damage the outer masonry material. Flue pipe a flue pipe is a single skin metal pipe used to connect a fire or appliance to a chimney. A chimney fire is more likely far less likely if lined and would also be contained within the metal tube if you do not fit a chimney liner. 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.

Flue liners can be of fire clay refractory quality concrete or metal usually high grade stainless steel. The functions of a chimney are to safely remove the products of combustion from the fireplace or appliance to outside without causing danger to. Chimney liners for open fires. A gas fireplace liner is much more compact than that of an open fire fireplace.

Over time hot smoke tars and acids eat into the chimney walls and erode mortar joints causing staining to the exterior stone or brickwork and leakage of dangerous fumes into the property. Flue gases from the stove must be able to discharge freely without presenting a fire or health hazard whatever the wind conditions. Flue liner the flue liner is the material used to form the flue within the chimney. Most british open fires were and still are designed to burn coal at up to 25 efficiency.

In the nbs tests unlined chimneys allowed heat to move through the chimney so rapidly that the adjacent woodwork caught fire in only 3 1 2 hours. Be it an open fire closed stove or roomheater the leaping flames and glowing coals are the real heart of the home. Open fires with larger fireplace openings usually freestanding grates will need larger flue sizes calculated alongside the height of the chimney and required ventilation. The liner protects the house from heat transfer to combustibles while being installed in a masonry chimney.

A chimney cap on the crown around the outside opening of the flue will keep debris. This means that the flue outlet needs to be positioned sufficiently high above the roof surface and surrounding buildings to prevent it being affected by wind eddies or downdraughts. Leaves and animal nests inside a flue can quickly fuel a chimney fire when touched by loose embers from a fire. 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.

It is common to find that old chimneys are in a poor condition and can leak fumes particularly if the flue is not lined. Open wood burning and coal fires require a class 1 flue liner with a minimum diameter of 200mm.