Open wood burning and coal fires require a class 1 flue liner with a minimum diameter of 200mm.
Chimney liners for open fireplaces.
Kit is made of single ply 316 0 006 in.
Flex all stainless steel chimney liner 6 in.
Stainless steel pipe chimney liner kit model faclk425.
Please remember these liners are sold in 5 increments 15 20 25 so for instance an 18 chimney will need a 20 liner.
A handy breakdown of the components of a chimney.
C flue connector connects the fireplace to the flue.
Chim cap corp 6 in.
It is flexible for relining masonry chimneys.
Stainless steel and is backed by a lifetime warranty.
Most british open fires were and still are designed to burn coal at up to 25 efficiency.
B flue must be high enough for sufficient draught around 4 5m in most cases.
Standard for chimneys fireplaces vents and solid fuel burning appliances nfpa 211 reduces fire hazards by ensuring the safe removal of flue gases the proper installation of solid fuel burning appliances and the correct construction and installation of chimneys fireplaces and venting systems.
The ideal flue size is typically determined by the exhaust outlet of the stove or appliance.
One good chimney fire will usually crack these tiles rendering them ineffective.
For chimneys more than 40 inches 1016 mm wide two additional no.
The rule of thumb for sizing a chimney liner is that you never want it to be smaller than the appliance exhaust hole and you don t want the liner to be three times the area of the exhaust hole of the appliance.
Open fires with larger fireplace openings usually freestanding grates will need larger flue sizes calculated alongside the height of the chimney and required ventilation.
X flex all stainless steel chimney liner 6 in.
Smooth wall fireplace stainless steel chimney liner kit model sw620sskf 423 16 423 16.
The general rule of thumb is that a masonry fireplace should be swept before 1 8 of soot accumulates.
Understanding chimney components image credit.
4 vertical bars shall be provided for each additional flue incorporated into the chimney or for each additional 40 inches 1016 mm in width or fraction thereof.
A liner going to an insert or stove in the fireplace will be measured from the top of the chimney to the top of the insert or stove or the center of the hole on the back of the stove.
Chimney liners for open fires.
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The forever cap flex all single ply 4 in.