In some locations, your city's fire code may mandate that you install such a liner if you're making any changes to or installing a wood-burning stove or fireplace. exposure to rain and acidic flue gasses, chimney fire, or other cause and recommend a new chimney liner. Rick Eudaley, New Energy Distributing Inc. How to Fight Indoor Air Pollution and Save on Home Insurance at the Same Time, Simple Considerations for Choosing a Senior-Friendly Wood Stove. Use the hose clamps to hold the stainless steel mesh in place. Posted in The Chimney Sweep Blog and Chimney Liners, Thank You to all of the Veterans! It is UL Listed and meets all the criteria for chimney safety as indicated by the National Fire Protection Agency (NFPA) code 211. Benefits of Chimney Liner Insulation - Do I Need to Insulate my Liner? When installing a new liner for your heating appliance — whether it is a furnace, hot water heater, wood-burning insert or stove, or existing fireplace — consider insulating the liner. Inside chimneys may only need insulation in the area that extends above the top of the roof, or inside an uninsulated attic, since the remainder of the flue is surrounded by an insulated house.Wood burning applications are where the greatest returns can be found. 2. By keeping combustion gases hot until they leave the flue, your insulated chimney liner will accumulate less moisture and creosote. Insulating your chimney liner enables the flue to heat up faster and to a higher temperature. Outside chimneys are more susceptible to the cold than chimneys built within the walls of a house. Stainless Steel Lining Systems. Part 1: Why is My Chimney Chase Cover Leaking. This substance is highly flammable and is what causes most chimney fires. Fab’s stainless steel flex liner is designed for installation by ... DO NOT fillin the air space between the liner and chimney with loose fill insulation, cement or other materials. Having an insulated chimney plays an important role in any chimney construction or modification. However, with today's modern heating efficient fireplaces, it is important to install stainless steel chimney liners, available on our website, here at New Energy Distributing, which will fit into the existing brick chimney. Monday, March 23 rd, 2015. It is always a good idea to insulate your flexible chimney liner. Part 4: Why is My Chimney Chase Cover Leaking? We offer the best prices on quality stainless steel liners. Just like a masonry chimney, a chimney that has been upgraded or repaired with a chimney liner still requires maintenance. Our FireFlex 316Ti stainless steel and 304 stainless steel chimney liner systems are designed to reline existing chimneys or to be used in … Masonry chimney flues are not insulated, unless an insulated liner has been installed. Since furnace appliances need relatively small flues, if you are venting into a chimney with a clay liner, it's probably too large, which is already cooling the gases and deteriorating the clay liner and mortar with the corrosive condensation — just another reason for having an insulated stainless liner. Moisture is a chimney’s biggest enemy. JavaScript seems to be disabled in your browser. 13. Hot air rises, and as it cools the draft is reduced. One reason is that the consistency of poured insulation mix makes it unable to flow consistently during the installation process. When hooking to a solid fuel appliance the liner is usually insulated with ceramic wool insulation. It is available in a 1/4" or 1/2" thickness; UL1777 requires a 1/2" total thickness. If your chimney flue is not insulated, whether you are venting a furnace or wood burning appliance, the easiest and most economical solution is to install an insulated stainless steel chimney liner inside your existing flue. I have never gotten more than a couple of cups of creosote dust out of it. We can make any custom chimney part you may need. The company installing says they would like to put in a 6" liner. © 2018 Rockford Chimney Supply. Some prefer this method, and this option works well when trying to insulate a liner in a tight fitting flue. A well maintained and insulated chimney liner can also prevent extreme heat from a chimney fire from spreading through your chimney's masonry structure and possibly into your house or attic where it could ignite combustible materials. Having 1/2" thick insulation will maintain your liner to the UL1777 standard. Chimney Liner Insulation. Take care not to damage the insulating wrap as you tighten the hose clamps. In many cases a liner comes with a life time guarantee. This leaves no room for a wrap around insulation. Chimney contractors often prefer to use steel flue liners due to their relative ease of installation compared to tile liner installation, and the fact that unlike vitreous clay tile flue liners, stainless steel chimney liners … Install a top-sealing damper to upper end of chimney liner. Stainless steel liners cater to wood stoves, wood furnaces and masonry chimneys that burn coal, wood, gas or oil. Insulating an oil or gas flue liner will lessen the amount of corrosive condensation by keeping the gases warmer, giving it a better draft. Chimney liners are safe as long they are installed and used correctly. If a chimney is not cleaned, it will accumulate soot, dirt and dust, which will cause many problems. How to Insulate a Chimney Liner The Importance of a Properly Insulated Chimney Liner The first thing you need to do is make enough room in the damper area to get the chimney liner through between the flue and the insert top or hearth stove. The only regulation is concerning the gases that … Chimney Liner Depot is the number one online wholesaler of flexible and rigid liners liners. Part 3: Why is My Chimney Chase Cover Leaking? To protect the insulation wrap from damage as you install the chimney liner, encapsulate the full length on the liner using a stainless steel mesh. Sometimes it is a requirement of the manufacturers warranty to make sure the chimney pipe is inspected and cleaned, as necessary. The products come in both rigid and flexible form. 5. A. 12. See all DuraVent Chimney … However building regulations do state that gases must be safely taken away from the building and by insulating your flexible flue liner, within the chimney cavity will ensure that the gases will travel directly up from the stove and out through the chimney top. Stainless Steel Chimney Liners. We are here to answer all of your questions. You should also insulate the liner to ensure that temperatures are kept constant and insulation also helps slow down the buildup of creosote. By wrapping the liner with insulation before you insert it into the flue, both tasks can be accomplished at the same time, or you can install the liner first and then add the pour down insulation … There is NO Building Regulation that says you must insulate around a flexible flue liner, within a chimney stack. 4. You do not need to insulate the liner when using aluminum gas vent pipe. https://t.co/2UCWpik4h1. Additionally, chimneys may clog from accumulated debris. This can usually be determined by BTUs (or check the manufactures instructions for a furnace) and the cross sectional area of the fireplace opening, or by matching the exhaust size of the wood insert or stove. Only UL Listed stainless liners with the necessary insulation will meet the zero clearance to combustibles requirements for UL1777. Also, you should get a new chimney liner when you decide to convert your fireplace. I'm finally installing a new stainless steel chimney liner for my Burnham independence gas IN5 boiler rated at 140000 btu and water heater 40000 btu. If you have an oil or gas furnace, the exhaust that is produced typically has lower temperatures, since some of the heat is extracted for warming the house, and the exhaust gases will form condensation when they cool in the flue area. With that said, insulated chimney liners are not necessary most of the time, but in our opinion more is better when dealing with fire. By Admin. Not only will this increase the draft of your chimney, less fuel will be wasted and less creosote will build up inside your chimney. The liner itself averages a cost of $65 per foot, but with labor and other installation factors you will pay around $100 per foot. Usually there is not enough room for this to happen without removing some material. When you are converting your wood burning fireplace to a gas burning fireplace and using the existing chimney as a vent, it is a good idea to install a flexible aluminum liner. Chimney liner insulation offers many benefits in terms of improved system safety, increased efficiency and reduced maintenance cost, and in just a short period of time could pay for itself. Creosote is an oily substance that accumulates inside the flue. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney. The liner should also be insulated, especially if your chimney is located on an outside wall. Step 1 In the newer high efficiency furnaces, very little heat is exhausted and more of the corrosive condensation is formed. It is very durable and has a superb fire safety rating. Overall. The insulation will enable the flue to heat up more quickly and this increases your draft, reduces creosote, making it easier to clean and makes your system more efficient & safer. Insulation will keep flue gases warmer, minimizing condensation and creosote build up, while providing greater draft performance. By wrapping the liner with insulation before you insert it into the flue, both tasks can be accomplished at the same time, or you can install the liner first and then add the pour down insulation into the space between the liner and the chimney flue. Zero clearance to combustibles do i need to insulate stainless steel chimney liner for UL1777 of hardwoods, almost all well seasoned that you... Inspected a chimney that has been upgraded or repaired with a 6 stainless... A trowel up, while providing greater draft performance offer the best experience on our site, be to... 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