Manufacturer specs say that if the wall is noncombustible, the space should be 4 inches minimum for air circulation. Minimum Installation Clearances To Combustible Materials The guidance varies depending on how much ventilated air space is below the stove. Pellet pipe is rated for much lower temperatures that wood stoves produce, so the clearances are calculated assuming those lower temperatures. Clearances may be OK, but appear in a photo to be closer than they actually are. 7. Im not sure about the factory paint I know that James Hardie advertises their siding products as noncombustible, but I havent been able to find any details about using them for this purpose. If you dropped a plumb line off the edge of my mantel it would probably overhang 1/3 the depth of my stove. How do we know how big the heat shield needs to be? Spaces that are subject to building codes generally have specific requirements for clearances. Down the road Ill just elbow it when I get a top flue for more room for the wood stove. Create Your Profile - NFPA From the Q&A here, I am understanding that its required that you need 9 clearance from the stove pipe to your heat shield, but you need 12 all around the stove for having the required space for a proper hearth. PDF NFPA 211 November 2002 ROP Copyright, 2002 NFPA when putting a heat shield in a corner, should there be a 1 gap between the two side pieces or can they butt up to each other in the corner. Hello, Ive read your recommendations for clearances, including the installation of heat shields. Our single-wall stovepipe requires 18 clearance to combustibles in all directions, and our insulated pipe requires 2 clearance. Ive got access to some free stainless steel, formerly used as fridge freezer backing, that is 2mm thick. @Gerald smith, Origin and Development of NFPA 211 In 1906, the NFPA Committee on Chimneys and Flues presented its first report. The rules in NFPA-302 are less detailed than NFPA-211, so we suggest following NFPA-211 standards unless you're installing on a boat.). I do not think an installer will do it without code compliant clearances. 1.2.1 The primary concern of this standard is the removal of waste gases; the reduction of fire hazards associated with the construction and installation of chimneys, fireplaces, and venting systems for residential, commercial, and industrial app. They will be 28 inches when measured from center of side to window. I would want to know if the insert is a multi-wall insulated zero clearance flue (safer) or a single thickness metal flue. Quick question though, can it be higher than an inch off the ground? The stove requires generous clearance to the stove top - 58" or 8ft from floor to ceiling. A brake is for bending, this will require a shear for cutting. Cost, Efficiency & More, Installing a Wood Burning Fireplace Insert Video, DIY Videos Chimney Liners, Caps, Dampers, Stove Pipe Install Videos, Articles & Info: Do It Yourself & Contractor Chimney Info. We allow up to 2/3 clearance reduction around the rear and sides of the stove with a proper air-cooled heat shield attached to the walls that would otherwise violate clearances. Australian Wood Heater Standards: AS/NZS 4013:1999 provide standards for smoke emissions. The stove guidline with its double wall dedign says stove in the corner, at 45 degrees, can be 7.5 inches away from the 2 walls. Typically, if you need shielding around the stove, youll probably also need similar shielding around any single-wall pipe. Thanks for the question, Pat. My design puts the stove 5 closer to the ceiling than recommended and Im trying to figure out the best way to deal with it. Close out the left and right sides of a shield, but leave the entire top and bottom open to allow air to enter the bottom and exit the top. 2018 International Residential Code (Irc) | Icc Digital Codes This is for a tiny home/mobile application, and I would prefer to avoid the weight of a masonry surround, if I can help it. All clearances and thickness are minimums; larger clearances and thickness shall be permitted. 900 degrees F can damage the coating if applied in the first two burns, so the oven cleaning cycle is probably too hot for that purpose. For the best experience on our site, be sure to turn on Javascript in your browser. I plan to build a ventilated shield in the corner of my home where a wood stove will be installed and am wondering if I can leave a cut-out for access to an existing outlet. I am thinking of having stone around all but the front of the stove. If your floor is solid steel and theres nothing combustible anywhere under the stove, including on the other side of the steel, then you could put your stove directly on the bare floor if you wanted. Codes 5113 and 5118 have a 15 year term. 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. Hearth design starts on page 12 of the current version. Two layers of 28 gauge sheet metal wouldnt strictly meet the standard, so while it would probably function, Im not certain whether an inspector would approve it. 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. The spec says 24 gauge or thicker and doesnt establish an upper limit of thickness. People do frequently violate clearances and post the results online. Use whichever minimum dimensions are LARGEST. My guess is that there is no way they would open themselves to that sort of liability. In most cases, you'll also need to add a heat shield for your stovepipe. In Canada, the guideline is established by the CSA Standard, CAN/CSA-B365- In most cases, clearance violations will not cause a fire immediately. What about floor protection? I just bought a home with a WETT certified wood stove in Canada, which reassures me it has been installed safely. If the chimney does not have the required 2" of clearance from combustibles, a listed liner system that is approved for reduced clearance may be used. Below are the allowable clearances for a number of common situations. Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. . For instance, on Tiny House Nation S5E15, they didn't have time to install the flue system before filming the episode, so the set dressers just put the stove where they thought it looked best. And its always acceptable to leave all four sides open. On 2022-12-07 3 Thanks so much for this! It may be ok with a proper shield, but it depends on the mantel design and shielding. Cut a dowel to that length, and use that to mark the area of the ceiling that needs to be covered by the shield. I got it for a decent priced and am going to get some use out of it until I upgrade. It would most likely be much easier to have either a stove or wall-mounted heat shield for a tent setup. Good question. Since the clearances around your wood stove are what keep your home and family safe, we recommend sticking to industry-standard clearance reduction methods. Clearance to walls and surfaces is an important consideration when choosing and installing heating appliances. Youll want to check with your wood stove manufacturers recommendations for clearances but generally, wood stoves and single wall stove pipes need 18 clearance from combustibles without a heat shield and 6 with an air-cooled wall-mounted heat shield. If you want to close out the bottom and leave just the sides and top open, thats acceptable only if the shield covers a single wall (does not cross a corner). Installation of this stove must comply with the latest edition of NFPA 211 (US)/CAN/CSA-B365 (CDN) for reduced clearances and/or your local building code rulings. True, but if you lock it in and score it a few times then you can bent it all the way up and snap it off with the brake. 13.2 Location of Appliances. by insurance companies, On 2022-12-03 y InspectApedia (Editor) (mod) Stoves with taller legs and ventilated stands require less protection than those with shorter legs/stands or no legs. You will not receive a notification when a response to your question has been posted. not around a corner), you can close out the bottom of the shield if you leave both sides and the top fully open. I would like to place your heater over the steel floor of a bus. Clearances are important because wood stoves get very hot while in operation. @Juli, Jessica- Good question. What is the current width, depth and height of the alcove? My stove has 6 legs, and Im curious if I could raise the bottom of my heatshield up to 3. Codes typically require no less than 12 clearance in any direction with a proper heat shield unless both the stove and shield are UL listed to be used together for that purpose and the manufacturer allows the tighter clearances in their documentation. Concerned about distance to windows with curtains on each wall. "How are they able to do that?". NFPA-211, the industry standard for wood stove installations, describes three different types of heat shields. Insulated metal chimneys that may be rated for "zero clearance" may in some models actually want an inch of air space. It doesnt specify the type of metal. Understanding Wood Stove Clearances - Iheatwithwood I am certain that will a proper heat shield it will be fine, I am just worried about passing inspection and or finding someone to install it. The purpose of this project is to provide guidance to NFPA technical committees on methodologies to develop technically based separation/clearance distances for hazardous chemical storage/processes and their application to the chemical storage and processes. The industry standard NFPA-211 guidelines for wall and ceiling shields does not cover attaching shields directly to the stove or pipe, but it is often possible to reduce clearances with attached shields in some situations. Below are the clearance distances that your woodstove manufacturer requires, from p. 5 in your manual for the The approved American National Standard, NFPA 211 offers consensus-based guidelines for construction projects involving chimneys, fireplaces, venting systems, and solid fuel-burning appliances for residential properties and commercial and industrial facilities. PDF Building & Indoor Environment Problem Diagnosis & Repair Wood Stove Certifications: Republic of Ireland, Document J: Heat Producing Appliances, Website: www.environ.ie, It has a large heat shield silver coloured metal heat shield which although functional, it quite an eyesore as it looks pretty industrial! Keep in mind that the National Fire Protection Association which publishes the NFPA-211 standard is a US-based organization. Since you mentioned a masonry surround, its worth noting that covering the walls around your stove in masonry is not required, and does not provide any inherent benefit. Do I need the cement board, or could I just use the steel over the foil bubble wrap? Masonry Fireplaces All combustible mantels and similar trim shall be kept at least 6 inches from fireplace openings. This limitation can often be overcome by the use of special double wall interior piping or stove pipe heat shields, either of which can reduce the pipe clearance to as little as 9". The article found above on this page includes pellet stove clearance distances. PDF INSTALLATION - wood stove NFPA #211-3.1 1988 - JavaScript is disabled. Codes 5110 and 5117 offer a 10 year term. 13.1 Appliances. Great resource here. How far from an exterior standard vinyl window should Metalbestos piping for a woodstove be? Section 12.2.4 says Solid fuel burning appliances shall not be installed in any garage. Does that change anything about clearances would I need to increase spacing if I do this? You are using an out of date browser. Try to avoid placing a spacer directly between the center of the stove and the wall, since spacers can conduct heat through the shield to the combustible wall. I was able to get a hold of the inspector. See details at HEAT SHIELD SPECIFICATIONS for WOOD STOVES & PELLET STOVES Clearance is the distance that is considered to be safe between a heat-producing appliance, chimney, chimney liner, vent pipe, vent connector or other hot surfaces, and combustible materials. I think there are multiple clearance distances of concern, including at the very least: A stone shield would fall under the Masonry Heat Shield guidelines and would need to be 3-1/2 thick to reduce wall clearances by up to 1/3. While shields with an amount of air space or insulation other than 1" or shields with a double-layer of sheet metal would likely provide some benefit, the amount of safe clearance reduction they would provide is unknown. If a stove is UL listed for residential spaces, you need to follow the manufacturer's instructions in the manual. For instance, the Dwarf requires 18 clearance to the back. Chapter 13 Solid Fuel-Burning Appliances.
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