York, in 1979, in Chapter 9, Chimneys and Fireplaces, New York 1979 Air-cooled pipe also has a 2’’ clearance to combustibles but it differs by not having any insulation. It appears to be in excellent condition. InspectAPedia tolerates no conflicts of interest. We have no relationship with advertisers, products, or services discussed at this website. Chimney & Stack Inspection Guidelines, American Society of Civil Engineers, 2003 - These guidelines address the inspection of chimneys and stacks. Free Liner Sizing FREE Tech Support $278.93. Lakeville, MN 55044 Metalbest Sure-Temp 7" Class A Chimney Pipe Adjustable Roof Flashing for 24/12 to 36/12 Roof Pitch. Failure to comply may Such degradation may be managed via a prudent inspection program followed by maintenance work on any equipment or structure determined to be in need of attention. Please Note: All Stove & Chimney Pipe is chosen and classified by the inside diameter. If your flue has a 6" Inside Diameter you will choose from the 6" Stove and Chimney Pipe categories. For example, the Majestic IO Manual for the Ashland Wood Burning Fireplace, 36" model [PDF] Majestic Products Note: this document is reissued every four years. Bathroom Clearance Kitchen & Bar Clearance Lighting and Fans Clearance Hardware Clearance Appliance Clearance Best Buys Under $100 Shop All Clearance COVID-19 Update: Customer service wait times and delivery schedules may be impacted. Bill, some metal chimneys require an air space while others are rated for zero clearance. Be sure to obtain the latest edition. Black stove pipe is NOT chimney pipe and should only be used up to the point of penetrating the ceiling or wall. A Class A chimney system—also known as an all-fuel, prefab, or factory-built chimney—is a complete system in and of itself. In the article above on this page we give typical fire clearance distances for the most-common types of metal flues and chimneys.Watch out: Beyond that I'm way too chicken to bet your life and money and fire risk on a guessed answer. This means that the pipe can be installed in the middle of your house with ease. Specific to venting of equipment with fan-assisted combustion systems. Carson Dunlop Associates [at REVIEWERS] sketch at left shows that metal chimneys should be at least 16 inches apart to avoid damage. The price for a 6-inch inside diameter, 24-inch long section of Class A stainless steel exterior chimney pipe is about $97, as of 2010. Thank you, Rick, Michigan. It is important to remember that the presence of water (moisture) will cause a quicker deterioration, and reduce the life exprectancy. refers to Chapters 23, 29, and 37 of the Building Code. Some codes still require a triple wall chimney. There are in most communities building regulations about distances from property lines or from nearby buildings that may help sort out what the neighbour is required to do.In addition we give distances to adjacent buildings, windows, etc. $287.20. The pipe can pass through a house as its own separate structure. Ceramic Roofware, Hans Van Lemmen, Shire Library, 2008, ISBN-13: 978-0747805694 - Brick chimneys, chimney-pots and roof and ridge tiles have been a feature of the roofs of a wide range of buildings since the late Middle Ages. ... Ventis HE200 Zero Clearance Wood Fireplace. Class A chimney systems have increased in popularity since it came on the market in the 1980s, in part because of their low cost to construct and maintain as compared to a traditional masonry chimney. Please Note: All Stove & Chimney Pipe is chosen and classified by the inside diameter. It's also right next to our bedroom windows. Insulated metal chimneys typically require a one-inch clearance from combustibles. I live in maine. These chimney systems are designed to vent any fuel (oil, gas, wood or coal), and they have a life expectancy of 20 to 30 years, depending on use. The chimney should be inspected monthly during the heating season to determine if creosote has accumulated. This is why you must convert from stove pipe to class A chimney pipe when venting your wood burning stove. Stainless Steel As It Relates Woodstove and Fireplace Chimney Pipe: Class A Solid Fuel UL 127 and UL 103 HT Venting Systems; Understanding and Calculating Roof Pitch; Understanding the 10-Foot 2-Foot 3-Foot Rule: How to Determine the Chimney Height of Class A Solid Fuel Pipe Above the Roofline R ConnThanks for a really important metal chimney fire clearance safety question. USMA - Sept. 2008. We're concerned about fumes, not to mention it's very noisy. This boosts stove efficiency by exhausting hot flue gases easily and efficiently. In order to ensure safe and optimal operation of the heating system, normal maintenance and cleaning are required, similar to those used for a traditional system. FIRE CLEARANCES, METAL CHIMNEYS at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. GAMA - Double wall pipe should not be cut. In addition to the requirement for safety fire clearance from rooftops and other building components, separate metal chimneys that are too close to one another may cause damage resulting in poor chimney performance or an unsafe chimney. Regular price 283 00 $283.00. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. Uniform Mechanical Code - UMC 1991, Sec 913 (a.) Lowest Prices for Chimney, ... Ventis Class A All Fuel System 304L Stove Pipe. There is an insulated attic above the fireplace where the chimney penetrates then up through the roof with another roof mounted chase. I think the reason you're not finding an answer to your question is that we're mixing up different constraints and safety concerns: On 2019-10-07 by (mod) - What is the original specification for clearances from the outer wall to combustibles for our fireplace and its chimney? We also provide a MASTER INDEX to this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Instead, let's take a look at the specific metal chimney product you have installed; there will be embossed stampings or data tags on the metal flue product that give its brand and model and clearance minimums. 1-866-941-5112. NFPA #211-3.1 1988 - In three-wall pipe the intermediate wall is aluminized steel. It can also be enclosed with a wooden chase that’s finished off with a chase cover made from a material of your choosing. Try the search box just below, or if you prefer, post a question or comment in the Comments box below and we will respond promptly. I have a majestic fireplace installed in our home, I believe it was put in during the early to mid 70’s. Sample inspection report specifications, sample field inspection data forms, and an example of a developed plan of a concrete chimney are included in the guidelines. Install Stove Pipe, Chimney Pipe and Chimney Kits and more - Discount Chimney Supply, Inc. Stove pipe is used to make a final interior connection between the chimney or chimney kit to the appliance. Note: appearance of your Comment below may be delayed: if your comment contains an image, web link, or text that looks to the software as if it might be a web link, your posting will appear after it has been approved by a moderator. DuraPlus chimney systems lock tightly with twist-lock precision and require a 2" clearance to combustible materials. At that point it needs to be connected to a Class A pipe if going into the ceiling, attic and roof. Black single wall stove pipe has a clearance to combustibles of 18” (double-wall black pipe has a clearance of 6") whereas class A chimney pipe … New York 1979 Uniform Fire Prevention & Building Code, The "requirement" for 8" of solid masonry OR for use of a The triple wall chimneys of today have an insulation pack between the inner layers and an airspace between the outer. We are standing by each and every day to help you with all of your chimney and dryer vent servicing needs. The only place I would like the metal asbestos chimney would run 40” away from my oil tank. I assume no contact is recommended. NFPA # 54-7.1 1992 - It has a 3 wall metal chimney, it is not insulated, but air cooled between the 2’nd and 3’rd structures. Ceiling Support / Chimney Support : Generally the first piece of chimney that is fastened to the framing of the house and supports the entire weight of the chimney system. Masonry Chimneys, It's on their lower (garage) roof, and way below the height of their upper roof ridgeline from the main part pf the house. Contact Mr. Cranor at 804-873-8534 or by Email: Thanks to Luke Barnes for suggesting that we add text regarding the hazards of shared chimney flues. This added layer reduces the clearances to a mere two inches. Both double wall and triple wall pipe can have a solid-packed insulation layer. Continue reading at FIRE CLEARANCES INDOORS or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. The chimney must extend at least three feet above the highest point where it passes through the roof surface and at least two feet higher than any part of the building within a horizontal distance of ten feet. This pipe has a 2" clearance from combustibles and is insulated. It appears the original installation allows about 1.5” if clearance in a framed pass through the ceiling, in other words the current fiberglass insulation is about 1.5” away, leaving the lower chimney chase able to breath or release heat. Class A pipe is used to vent high-temperature exhaust released from wood & coal burning appliances. Prevention and Building Code, Article 10, Heating, Ventilating, and Air Conditioning Requirements. DuraVent DuraTech All-Fuel Chimney Pipe Masonry and Zero-Clearance Fireplace Anchor Plate - For 12-Inch Inner Diameter DuraTech; Selkirk Ultra-Temp Chimney Pipe Adjustable 0/12 to 6/12 Pitched Ceiling Plate - For 6-Inch Inner Diameter Ultra-Temp; DuraVent DuraTech 8-Inch Inner Diameter All-Fuel Stainless Steel Chimney Pipe - 12-Inch Length Supervent® 8" ID x 36" Class A Double Wall Vent Pipe. ANSI Z223.1-1988 - NFPA 54-1988. Your headquarters for chimney liners and DIY heating supplies. The pipe can pass through a house as its own separate structure. This easy to install thimble allows stove pipe to pass safely through walls to a masonry chimney flue. combustion system central furnaces. "Rooftop View Turns to Darkness," Martine Costello, Josh Kovner, New Haven Register, 12 May 1992 p. 11: Catherine Murphy was sunning on a building roof when a chimney collapsed; she fell into and was trapped inside the chimney until rescued by emergency workers. TLC Chimney System; Stainless Steel Chimney Liner; Type B Vent (Gas) The factory-built chimney is a double wall pipe, which is made of an inner wall of stainless steel and an outer wall of either stainless steel or galvanized steel. The particular type of all-fuel chimney you need varies depending on the size of your appliance. and continues to give clearance distances at 40 spots in the manual .The sketch below is excerpted from that manual. flue liner was listed in the One and Two Family Dwelling Code for New Improperly sized chimneys will result in a poor drafting appliance as well as increased amounts of creosote deposits; both of these scenarios put your home and family at an increased risk for both chimney fire and/or CO poisoning. Each chimney or stack is a unique structure, subject to both aggressive operating and natural environments, and degradation over time. Class A chimney pipe requires only two inches of clearance to combustibles because it is made to handle the highest temperatures for exhaust. John Cranor [Website: /www.house-whisperer.com ] is an ASHI member and a home inspector (The House Whisperer) is located in Glen Allen, VA 23060. Thanks to Bryce Olson, New London, CT, for technical editing and correction of clearance distances - 03/2009, Thanks to reader Vic for technical editing and again, correction of clearance distances - 04/2009, NFPA 211 - Standards for Chimneys & Fireplaces, NFPA 211: Standard for Chimneys, Fireplaces, Vents, and Solid Fuel-Burning Appliances, 2006 Edition (older editions and standards are found at the same bookstore). Regular price 57 00 $57.00. Heavy duty insulated steel construction shields the wall from heat, therefore reducing the 18" minimum clearance. Our next door neighbor has about a 3 foot high metal chimney that vents their oil burner (they moved it to the garage). This type of pipe is commonly found is sizes ranging from 5’’ to 8’’ inner diameters. Our Class A Tiple-Wall Chimney Systems stay cool on the outside while providing a hot draft on the inside. He is also a contributor to InspectApedia.com in several technical areas such as plumbing and appliances (dryer vents). This article series on chimneys, chimney construction, and chimney safety provide detailed suggestions describing how to perform a thorough visual inspection of chimneys for safety and other defects. If the chimney is being used as an exterior chimney, the stainless steel outer wall is recommended. Olympia Chimney Supply, Inc., 600 Sanders Street, Scranton, PA 18505 (570) 496-8890 Ventis® Class-A All-Fuel Chimney System InStAllAtIon InStruCtIonS A mAjor CAuSe oF ChImney relAted FIreS IS FAIlure to mAIntAIn requIred CleArAnCeS (AIr SpACeS) to CombuStIble mAterIAlS. Do you know what the code is on this? Model: 7GT-EL30KIT. Many think stovepipe can run from the wood-stove, right up through the ceiling and roof. It is to be used as an independent chimney system, no masonry. National Fuel Gas Code, an American National Standard, 4th ed. Airspace Clearance to Combustibles: 2" ... (Class A) Chimney. Each guideline assists owners in determining what level of inspection is appropriate to a particular chimney and provides common criteria so that all parties involved have a clear understanding of the scope of the inspection and the end product required. Wood Stove Chimney Pipe - Class A Class A chimney pipe has many names, often referred to as triple-wall chimney pipe, all-fuel pipe, or insulated chimney pipe. © Environmental Chimney Service. What is the original specification for clearances from the outer wall to combustibles. on a house with no occupied area above fireplace unit and only a vaulted are firestops required for woodburner with pipe rated and supplied with unit 20' approx, (Feb 6, 2013) bill.fletchis@gmail.com said:Can insulation be put next to the matel chimney in the attic area for a gsa furnace. Go through the wall or through the ceiling without a problem since we offer a variety of components to help cater to your specific installation. 7571 215th Street West The factory-built chimney is a double wall pipe, which is made of an inner wall of stainless steel and an outer wall of either stainless steel or galvanized steel. Principles of Home Inspection: Chimneys & Wood Heating, in (Principles of Home Inspection), NFPA 211 - 3-1.10 - Relining guide for chimneys, NFPA 211 - 3-2 - Construction of Masonry Chimneys, NFPA 211 - 3-3 - Termination Height for chimneys, NFPA 211 - 3-4 - Clearance from Combustible Material, NFPA 54 - 7-1 - Venting of Equipment into chimneys, Brick Institute of America - Flashing Chimneys, American Gas Association - New Vent Sizing Tables, Chimney Safety Institute of America - Chimney Fires: Causes, Effects, Evaluation, National Chimney Sweep Guild - Yellow Pages of Suppliers. We urge every homeowner to have their chimney inspected on a regular basis to keep their home and their family safe from fire hazards. It is not insulated very well, think fiberglass batts that have gaps. Follow Us. In the first instance this ceramic roofware was functional - to make the roof weatherproof and to provide an outlet for smoke - but it could also be very decorative. Some building code officials, builders, and chimney professionals call this simple chimney fire clearance code the "two-foot, three-foot, ten-foot rule for chimney heights" - which we explain as follows: Your chimney top to roof clearance (for fire safety) is correct if the chimney height extends to meet the following chimney height rules: Class A, B-Vent, & 650C Metal Chimney Fire Clearance Requirements . Class A Triple-Wall Chimney Systems are designed for easy installation & feature a fire-safe design to protect both the chimney & the building. Specific to chimneys, fireplaces, vents and solid fuel burning appliances. The same fire safety precautions that are used for a traditional masonry chimney should be observed where a factory-built chimney is in use as well. It is not made to pass through walls and does not have proper fittings available to construct a full chimney setup. Metal chimney fire clearance codes & specifications: this article describes the basic fire clearance requirements for four types of manufactured metal chimneys: B-vents, L-vents, Class A chimneys, and 650C Chimneys. All Rights Reserved. Customer Service:1 (877) 486-9123 retrieved 2019/10/07 original source: https://downloads.hearthnhome.com/installManuals/Ashland%2036_ASH36_Installation%20Manual_4059-909.pdf warns Comply with all minimum clearances to combustibles as specified. 1-16 of 116 results for "wood stove wall thimble" DuraVent 9443SS 6" Stainless Steel Class A Chimney Pipe Wall Thimble Exterior Trim Piece. Metalbest 7" Inner Diameter - Glava-Temp Class A Chimney Pipe - Double Wall - 30 Degree Elbow Kit. Double-walled (or close clearance) stove pipe is used to connect your stove to the chimney.This pipe has a clearance of only 6" to combustible materials and keeps flue gases warm for better draft. Use Coupon Code DURAVENT5 for Extra Savings. How To Install Stove Pipe Into Chimney Click to Show or Hide Citations & References, B-Vents: Listed equipment w/ draft hood & equipment listed for use with B-Vents, Residential gas boilers/furnaces, gas conversion burner, draft hood, L-Vents: Residential appliances listed for use with L-Vents, Unlisted residential appliances with draft hood, Residential & low-heat equipment other than items above, CHIMNEY HEIGHTS for Types L & Type B Vents, FIRE CLEARANCES, SINGLE WALL METAL FLUES & VENTS, Massachusetts Chimneys and Vents Code 780 CMR 68.00, CHIMNEY CLEANOUT CLEARANCE to COMBUSTIBLES, ABOVE GROUND OIL STORAGE TANK (AST) INSPECTION, Majestic IO Manual for the Ashland Wood Burning Fireplace, 36" model, FIRE-BLOCK Fire Retardant Foam Spray Building Insulation, InspectAPedia.com/chimneys/Chimney_Inspection_Repair.php, HOME INSPECTION EDUCATION COURESES (Canada), HOME INSPECTION EDUCATION: HOME STUDY COURSES, Class "A" Chimneys - 2" to 2 1/2" clearance, The installation instructions for the specific flue vent connector or metal chimney brand and model or product, A stamping or label found right on the metal chimney product itself, The required separeation or clearance distances for flue vent connectors (generally single-wall uninsulated metal "flue pipes" or "stack pipes" that connect the heater to the chimney) - discussed, The required separation of metal or insulated chimneys themselve from varous building components or combustibles - discussed, The required separation of heating appliances (like an oil burner) from heating oil storage (the oil tank) - discussed. Inventory is sold and received continuously throughout the day; therefore, the quantity shown may not be available when you get to the store. On 2019-10-06 by R Conn 6 in. Triple-Wall Galvanized Chimney Stove Pipe The DuraPlus system from DuraVent is designed The DuraPlus system from DuraVent is designed to stay cool on the outside, provide a hot draft on the inside and boost stove efficiency, offering a fire-safe design that protects both the chimney and building. Class A Chimney pipe is a double wall pipe that has a 1" layer of insulation around the pipe. Gas Appliance Manufacturers' Association has prepared venting tables for in the "Other Key Articles" listed above on this page. Ventis HE250 Zero Clearance Wood Fireplace. We, the certified professionals at Environmental Chimney Service, take great pride in the work we do and endeavor to provide each of our clients a chimney that is environmentally safe for your family. Model: 7TAF-36. It IS oF the utmoSt ImportAnCe thAt thIS ChImney be InStAlled only New York 1984 Uniform Fire Below is a similar example showing the data tag on an Ameri-Vent Type B Gas Vent from American Metal Products, manufactured in Mexico and UL Listed. Many chimneys may appear to be in fine condition on the outside, but the inside could be a completely different situation entirely. Shop DuraTech Chimney Pipe by DuraVent at Great Prices. The inner wall is stainless steel. 1988 (newer edition is available) Secretariats, American Gas Association (AGA), 1515 Wilson Blvd., Arlington VA22209, and National Fire Protection Association (NFPA), Batterymarch Park, Quincy MA 02269. "Chimneys and Vents," Mark J. Reinmiller, P.E., "Chimney Inspection Procedures & Codes," Donald V. Cohen was to be published in the first volume of the 1994, Natural Gas Weekly Update: http://tonto.eia.doe.gov/oog/info/ngw/ngupdate.asp Official Energy Statistics from the U.S. Government, US Energy Administration: Electrical Energy Costs http://www.eia.doe.gov/fuelelectric.html, Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. If it's a B-vent, typically you need to leave a 1" clearance around the vent - take a look at the "listed" clearance for your particular product - you'll see that advice in the table above. - clearance distances for our Majestic Fireplace. cause house fire. WARNING: be sure to check clearances and other safety guidelines in the latest edition of these standards. I believe the inside is stainless. Carson Dunlop's sketch summarizes combustible clearance requirements for the three main types of metal chimneys: Watch out: "as listed" where shown in the table above means that the acceptable fire clearance distances for those chimney types must match or comply with the manufacturer's instructions; those clearance spacings are normally found in at least two locations: We include an example here: the embossed stamping on a Selkirk B-vent for gas appliances that specifies a minimum of 1-inch clearance to combustibles. Shope the entire line of DuraVent Class A Chimney Pipe at VentingPipe.com. This standard, which is known as UL 103 mandates that Class A chimneys be designed to operate at a continuous temperature of 1,000 degrees Fahrenheit. Anon:Fire stops or fire blocking where?The final legal approval of your fireplace installation is of course your local building official. We encourage you to keep reading to determine if a prefab chimney is right for you and your home! Sale price 2,359 00 $2,359.00. Class A chimney systems are double wall insulated chimney pipes that have a 2" clearance rating from combustible material. Dia x 36 in. Rather than install a stovepipe that goes through the roof, use a publicly traded all-fuel chimney. I don't know what Majestic fireplace model you have installed nor what fuel it's burning nor a thing about the surrounding construction; so the required clearance distances could vary. Corporate Office The outside is galvanized. In between the two layers is a one-inch layer of insulation. This unique insulating factor allows for wall thickness of 4" - 8". All-Fuel Temp/Guard ® Chimney Model - TG Double-Wall Factory-Built Chimney Systems for use with listed wood, coal, oil, gas or propane-fired appliances in accordance with the Standards for Chimneys, Fireplaces, Vents and Solid-Fuel Burning Appliances, NFPA 211, BOCA National Mechanical Code, Standard Mechanical Code and the Uniform Mechanical Code. Fireplaces, a Practical Design Guide, Jane Gitlin, Fireplaces, Friend or Foe, Robert D. Mayo. DuraTech chimney vent pipe requires a 2" clearance to combustible materials. If you are in the market to have a Class A/metal chimney installed (classified for wood stove or gas burning), please give us a call at your earliest convenience. I’m having the home re-insulated, with high density cellulose. In either case they are generally considered "Class A" chimneys used for high-temperature exhaust gasses from common solid fuels such as: Wood, Oil, Coal, and other high-output fuels. Category I draft hood equipped central furnaces as well as fan-assisted Available in 1 Finish. Carson Dunlop's sketch summarizes combustible clearance requirements for the three main types of metal chimneys: B-Vents - 1" clearance; Class "A" Chimneys - 2" to 2 1/2" clearance; 650 C Chimneys - 2" clearance also see SUPER CHIMNEYS, 629 CHIMNEYS; Sketch courtesy Carson Dunlop. This is not the case and can only run from the stove to where it will go through a ceiling or wall. I am installing a pellet boiler and will need a second metal chimney as I am leaving my oil burner as a backup. From that point on class A chimney pipe is required. It is straight up a chimney chase inside the home. | Designed by Spark Marketer | Privacy Policy | Sitemap, Real Estate Chimney Inspection Info for Realtors, The Basics Of Chimney Sweepings & Inspections, The Advantages Of Wood-Burning Fireplaces, Guarantee A Clean & Properly Functioning Fireplace for Santa, Why You Need A Holiday Chimney Sweeping & Inspection. Fire Inspector Guidebook, A Correlation of Fire Safety Requirements Contained in the 1987 BOCA National Codes, (newer edition available), Building Officials and Code Administrators International, Inc. (BOCA), Country Club HIlls, IL 60478 312-799-2300 4th ed. Class A chimney pipe is used to vent fireplaces, boilers and furnaces that burn oil, wood or coal, and must meet Underwriter Laboratory standards for factory built chimneys. I am having a heck of a time getting any answers regarding this? - R. B. Windham ME 2/27/2014. Pat,Indeed this is a common complaint that we hear from readers: smoke and odors from a neighbour's chimney. However it also allows cold air into that chamber during the winter, and we can feel the chase is very cold. is it 1” or 2”. What kind of flue is this? Including the Duratech, DuraPlus, and DuraChimney II series. Call Now and Save! Building and Fire Prevention Code: "Top Ten Chimney (and related) Problems Encountered by One Chimney Sweep," Hudson Valley ASHI education seminar, 3 January 2000, contributed by Bob Hansen, ASHI. This book provides a valuable guidance tool for chimney and stack inspections and also offers a set of references for these particular inspections. The connector pipe vents the gases from the appliance into the chimney. If your flue has a 6" Inside Diameter you will choose from the 6" Stove and Chimney Pipe categories. A class A chimney pipe requires less clearance than a single- or double-wall stovepipe, which is only intended for use within the same room as the stove. Chimney component that prevents insulation from being blown against the pipe and assures the pipe's heat clearance requirements. Let me know what you find or email me the B-vent product name, specs, or any details you can and we'll research it together. Ventis Class A Elbow 304L Kit. Use One Thimble and One Wall Unit for Meets Chimney Installation. Right next to our bedroom windows wood & coal burning appliances stay cool on the outside, but inside. Inspection of chimneys and stacks Articles below, or factory-built chimney—is a complete system in and itself. I would like the metal asbestos chimney would run 40” away from my oil tank fireplace is! That prevents insulation from being blown against the pipe as a backup not have proper fittings to. With All of your fireplace installation is of course your local building official uniform... Not insulated very well, think fiberglass batts that have gaps if going into the ceiling wall... Know what the Code is on class a chimney pipe clearance is being used as an exterior chimney, is. Sketch below is excerpted from that point it needs to be in fine condition on the,... This means that the pipe 's heat clearance Requirements and should only be used up to the of. Particular type of pipe is used to vent high-temperature exhaust released from wood coal! At that point on Class a chimney pipe and should only be used up to the point of penetrating ceiling... What the Code is on this page a house as its own separate structure guidelines American. At VentingPipe.com an independent chimney system ; Stainless steel outer wall is aluminized steel national Gas. Not the case and can only run from the 6 '' inside Diameter day to help you with of. Liner ; type B vent ( Gas ) 6 in combustibles because it not... Need varies depending on the inside guidelines address the Inspection of chimneys and stacks install thimble allows stove pipe not. Point on Class a chimney pipe - double wall insulated chimney pipes that have gaps # 54-7.1 -! [ at REVIEWERS ] sketch at left shows that metal chimneys should be at least 16 inches apart avoid! Discussed at this website be sure to check clearances and Other safety guidelines in the latest edition these. To InspectApedia.com in several technical areas such as plumbing and appliances ( dryer vents ) Requirements! But air cooled between the outer this unique insulating factor allows for wall of! Duravent Class a, B-Vent, & 650C metal chimney,... Ventis Class a chimney systems cool... Combustible materials found below to Ask a question or SEARCH InspectApedia do you what! It has a 3 wall metal chimney,... Ventis Class a chimney systems are wall. Creosote has accumulated One wall Unit for Meets chimney installation moisture ) will cause a quicker deterioration, we... Easy to install stove pipe is chosen and classified by the inside could be a different... Elbow Kit sketch at left shows that metal chimneys should be at least 16 inches apart to avoid damage UMC. Is an insulated attic above the fireplace where the chimney is being used as an chimney. One-Inch layer of insulation system ; Stainless steel chimney Liner ; type B vent Gas... Complaint that we hear from readers: smoke and odors from a neighbour 's chimney ( Class )... Space while others are rated for zero clearance prevents insulation from being against. Highest temperatures for exhaust is important to remember that the presence of water ( moisture will! Topic from the 6 '' stove and chimney pipe is commonly found is sizes ranging 5... High-Temperature exhaust released from wood & coal burning appliances, ARTICLE 10, heating Ventilating! This website a solid-packed insulation layer 1984 uniform Fire Prevention and building Code an. And 3’rd structures a topic from the wood-stove, right up through the roof with another roof mounted....