do i need an insulated chimney liner

Plus the outer steel helps to protect and preserve the insulation, not just during installation but for the life of the product. Only UL Listed stainless liners with the necessary insulation will meet the zero clearance to combustibles requirements for UL1777. In the newer high efficiency furnaces, very little heat is exhausted and more of the corrosive condensation is formed. Sep 28, 2016, Seven Reasons to Install a Chimney Liner Forever Flex Top Sealer Plates seal so tightly, they virtually prevent the flow of air up the flue around the outside of the liner. Additionally, chimneys may clog from accumulated debris. In fireplaces that burn gas, oil, or solid fuels, a liner helps guide the combustion by-products out and away from the chimney. Liners insulate heat moving through the chimney, protecting flammable areas of your home's structure. 2) Your existing masonry chimney is unlined, partially lined, or has a liner with open cracks in it. 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. There are no building regulations that stipulates you must insulate a chimney liner when installing in a chimney stack. 1777 using insulation. The next thing that you will need to do is to set the liner on the insulation and begin wrapping the liner around the insluation. Outside chimneys are more susceptible to the cold than chimneys built within the walls of a house. 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. Chimney liner insulation offers many benefits in terms of improved system safety, increased efficiency and reduced … Chimney liner installation instructions for the do-it-yourself homeowner presented by Rockford Chimney Supply. 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. Hot air rises, and as it cools the draft is reduced. ← Older Post • How do can I know my chimney liner needs to be replaced? You do not need to insulate the liner when using aluminum gas vent pipe. 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. Part 4: Why is My Chimney Chase Cover Leaking? The most … There are some instances, however, when additional insulation is recommended or even required. or visit us on any of the sites below. Chimney Liners Do Not Always Need to Be Insulated. 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. Part 3: Why is My Chimney Chase Cover Leaking? We recommend using small pieces of the aluminum tape to hold the insulation in place while you wrap the liner. You should also insulate the liner to ensure that temperatures are kept constant and insulation also helps slow down the buildup of creosote. Chimney Liner Depot is the number one online wholesaler of flexible and rigid liners liners. We make our stainless liners and components in-house from the best alloys of stainless steel. This insulation is wrapped around the liner before installing the liner into the flue, and will add approximately 1.5" to the overall dimensions of the liner. For the best experience on our site, be sure to turn on Javascript in your browser. A chimney flue that is not insulated will have a draft that is less efficient due to the colder temperatures. Some prefer this method, and this option works well when trying to insulate a liner in a tight fitting flue. If there is more than 2" clearance between the liner and chimney wall on all sides, the blanket liner is best. As your flue liner will reach a very high temperature when in use, it’s vital you use a suitably heat … EasyFlex 316Ti Custom Pre-Insulated Chimney Liner Kit - 5.5" by Champion. A) Safety Code Requirements The Code Spec for chimney liners is UL 1777. There is NO Building Regulation that says you must insulate around a flexible flue liner, within a chimney stack. To maintain its listing to the UL 1777 Standard, additional insulation must be added to your Forever Flex Liner installation if any of these four things are true: 1) You are venting through an air-cooled metal chimney (the type used for manufactured zero-clearance fireplaces). Cast-in-place chimney liners are lightweight, cement like products that are installed inside the chimney forming a smooth, seamless, insulated passageway for the flue gasses. Types of Chimney Insulation. Oct 13, 2016, How to Install a Chimney Flue Damper If your chimney gets a lot of use, you will need to clean it out regularly, even if you have a stainless steel chimney liner. These are three very good reasons we say Yes, you need chimney liner insulation! Sep 23, 2016. What you Need to Know About Liners . Insulating a stainless steel chimney liner is not only possible but is highly recommended in many cases. Part 4: Why is My Chimney Chase Cover Leaking? Info@CheapChimney.com As a result, the chimney is more efficient and clean. One that has been insulated will achieve the UL listing of 1777 Standard. 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. Why should I insulate? Insulation is required by all of the manufacturers because the liner was tested and listed to U.L. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney. There are two types of Class A chimney pipe: Solid-packed chimney pipe and Air-cooled chimney pipe. (Note: Kits include one wrap of 1/2" foil faced insulation). 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. A new chimney liner will help insulate your chimney and keep the moisture venting out. Chimney Liner Depot is the number one online wholesaler of flexible and rigid liners liners. 5. Un-roll the chimney liner as straight as possible. The cost to install or replace a liner depends on the height and diameter of your flue, how many units are connected to it, the material you choose, and whether you need insulation. In order to ensure that flue temperatures will be warm enough to create adequate draft for optimum stove performance insulation saves the day. When you don’t have a liner installed inside your chimney then you’re at risk of combustion-byproducts sneaking back inside your home. You can also make sure to waterproof your chimney to even further your chimney’s defense against moisture. Please note, comments must be approved before they are published. Chimney liners are a protective barrier usually made of metal or ceramic. Installing a well-insulated chimney liner is a price worth paying in order to have an efficient and safe chimney system. 6 in. The liner helps guide the combustion by-products out and away from the chimney. Beyond 25 feet the height of the stack starts to incrementally affect exhaust temp. Chimney liner insulation wrap comes in a kit consisting of the insulation, wire protective mesh, foil tape, glue, and stainless locking wire. You do not need to insulate the liner when using aluminum gas vent pipe. Read our F.A.Q. Condensates or tar can seep through chimney walls causing staining, inside or outside of the building; Lining with insulation included can improve the operation of the appliance and flue – particularity important when the chimney is situated on an external wall; Defective flue systems may be eroded and rough. Sep 26, 2016, Put A New Face On Your Fireplace Personally for us we almost always recommend a pre-insulated chimney liner if conditions allow. All Rights Reserved. Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. Available in Different Materials. The insulation will enable the flue to heat up more quickly and to a higher temperature.

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