What is a double wall chimney liner?
DuraLiner chimney liner is a high-temperature, insulated, double-wall masonry relining system for use with appliances fueled by gas, pellet, oil, wood or coal. DuraLiner safely protects masonry chimneys from the damaging effects of flue product condensation.
Do you have to insulate a double wall chimney liner?
It is always a good idea to insulate a stainless steel chimney liner. The insulation will enable the flue to heat up more quickly and to a higher temperature. This helps reduce the risk of having an inadequate draft. In addition, while the flue gasses stay hot, less creosote will form and less fuel will be wasted.
Can you put two chimney liners in chimney?
A single chimney can safely have multiple flues inside the chimney, each flue venting an appliance, fireplace, or other device, provided that the chimney was properly constructed, including the necessary spacing or sealant between the individual flues.
Which chimney liner is best?
Stainless will always be the best option when it comes to performance, durability, safety and cost. A stainless steel chimney liner that is properly sized, for the stove, furnace, or fireplace will maintain or improve the venting performance (draft).
How hot does double wall chimney pipe Get?
These pipes only need a 2-inch clearance to combustibles because they remain cool on the outside, while their internal design allows them to withstand temperatures as high as 1,700 or 2,100 degrees Fahrenheit for a limited time.
Should I use vermiculite in my chimney?
By keeping out the cold and maintaining the heat within the flue, Vermiculite Granules and FlexWrap or Rockwool Insulated Tubes will keep the hot gases rising for an efficient draw on your stove. Vermiculite granules are only recommended if the chimney is watertight.
Do I need a new chimney liner?
If your chimney liner has cracks or is broke, then it is time for a new chimney liner. Some chimneys have never had a liner added, and if your chimney doesn’t have a chimney liner, then you should have one installed.
Who is responsible for shared chimney?
The whole of a shared stack can only be removed if both owners are in agreement – if it is on account of defect the cost will generally be split but if it is being done as part of improvement works to one property the owner benefitting from those works will generally carry the cost.
Why would a chimney have two flues?
A flue is a venting system, each system needs its own so If you heat your home with oil or gas and have a fireplace you would have two flues. Often times they are in one chimney so if you were to look down the chimney it would be separated into two venting system inside one chimney.
How much is a new chimney liner?
Chimney Liner Installation Cost For the average homeowner, having a chimney liner installed costs about $2,500. For more expensive materials, prices tend to average at $5,000 and could climb to $7,000. With an easy-to-install material like aluminum, the DIY cost of materials and equipment could be as low as $625.
Does a brick chimney need a liner?
Do brick chimneys need to be lined? Many older homes have unlined brick chimneys. They were built during a period when most building codes didn’t require them. Today, most building and fire codes require chimney liners, even if you have a brick chimney.
What is a chimney liner?
Chimney liner is used to reline a masonry chimney when the flue has begun to deteriorate or when a fireplace has been installed. It is most commonly constructed of aluminum or stainless steel materials. You can find metal flex chimney liner in two varieties: Smooth Double Wall Liner and Corrugated Single Wall Liner.
What is a stainless steel flue liner?
This is a double skinned liner made from an extremely high quality stainless steel, usually 904L or 316Ti (Titanium) grade. It is smooth on the inside, corrugated on the outside and must be installed the correct way up. It is specifically designed for relining flues for solid fuel and wood.
What are rock flex chimney liners made of?
For wood, pellet, gas, oil and coal burning appliances. Rock-Flex chimney liners are fabricated with the highest quality stainless steel, UL 1777 tested and listed, air and water tight, and provide the best flexibility and strength to contain moisture and flue gases.
What is the difference between single wall and smooth double wall liners?
The Single Wall Liner will have more creosote buildup due to it being corrugated and the flue temps will fluctuate more with the single wall liner. The Smooth Double Wall will stay a little bit warmer reducing your creosote and increasing your draft by about 20%.