Installing a wood burning stove means you will need stovepipe. You may add a metal flashing around the chimney as it passes through the eave's underside. Also, make sure the pipe meets the height requirements and adhere to the 10-3-2 rule. Or, they will have formed an in-bracing run diagonally across the pan. Use a plumb bob to determine the center location of the ceiling support box or support above the stove vent collar. Consider the vertical height of the stovepipe from the top of the stove. You can then seal the roof to the base of the cone with roofing sealant. The horizontal section must have a 1/4 inch rise per foot of run. You can construct the chase from OSB, plywood, or whatever material your local code allows. Although the cost is a bit higher, the overall quality is far superior. It specifies how many elbow sets or pipe sections you can add between them. We cover the differences between brands and material grades in further detail below. Single-walled stove pipe is metal pipe of various thicknesses, painted black. Build a small, kindling-based fire in the appliance and light it. It’s worth following the rules and regulations when it comes to wood burning and multifuel stoves. Dani is a passionate writer with a thirst for knowledge. Assemble the storm collar around the pipe just above the bead of sealant. We would recommend a couple of inches around the sides of the flue and about six inches from the top of the flue to the lid of the cap. Copperfield Galvanized Stovepipe Masonry Chimney Thimble. The first is a horizontal leg to accept a piece of the horizontal chimney. You'll need these parts to transition from the stove pipe in the room to the chimney pipe above the ceiling. For appliances that use air-cooled or solid insulated chimneys, evaluate your installation plan. The plug is easy to remove for sweeping of the vertical section of the chimney. I am sealing a gap between the thimble and the pellet stove exhaust pipe and the furnace cement instructions say to gradually heat the furnace cement to 500 degrees F for a final cure. You still need to complete the chase framing. This keeps it better … Double-wall stovepipe is about 3' vertical, then 3' horizontal to the Selkirk double-wall chimney. Though people sometimes think of the metal piping that juts above the roof as a continuation of the stove pipe, that's an incorrect perception. These structures contain the entire chimney system without sacrificing needed space. No matter what type of stove pipe you use, you need to protect your home from fire by setting your stove on a fire-proof hearth and keeping the pipe the proper distance from walls and other flammable materials. If you increase the chimney height for code or design purposes, you can lengthen the vent run too. Two units cannot share a common chimney flue. When making a selection below to narrow your results down, each selection made will reload the page to display the desired results. The exterior of this pipe doesn't get as hot as single-walled pipe, so you only have to keep this pipe six inches away from anything that may catch fire. Collectively, these parts work together to ensure a weather-tight seal above the roof. You'll need to slide it down enough to fit between the last section of pipe and ceiling support. Space between the chimney walls allows for outside air to flow freely. Model #DSP6P36-1 Format 6x36" ... reduces your safety clearance distance dramatically. You may need to add more fasteners. And, this prevents the need to cut an excessively large notch. Stoves use ceiling support boxes or support collars for venting. Double Wall Stove Pipe was designed to work with your Stainless Steel Chimney to form a complete Wood Stove Venting system! The pan's hole should be approximately a 1/2 inch larger than the chimney pipe's outer wall. The difference is huge – most SW pipe must be at least 18 inches away from walls, while DW, many of the times, can get as close as 6 inches to the same thing. If that occurs, measure the remaining length of pipe from the top of the chase to the end of the last installed pipe. The 3-2-10 rule ensures code compliance and proper venting. But like single-walled pipe, double-walled pipe is only designed for use between the stove and the ceiling. She has a degree in economics from Sam Houston State University. These are usually an 18 to 22-gauge piece of galvanized steel cut to size for the outer dimensions of the chase. This type of system features a layer of solid insulation between the inner and outer chimney walls. Burn wood too quickly and you're wasting heat. Or, they may enclose the chase after running the pipe. Best uses for close clearance pipe are 1) when your pipe will be in close proximity to a combustible wall, 2) if you will have 10' or more of vertical pipe inside the room with your stove. Double Wall Stove Pipe was designed to work with your Stainless Steel Chimney to form a complete Wood Stove Venting system! Or, you may box the chimney into an enclosure. After that, add any height needed above the chimney chase for a storm collar and chimney cap. Once accomplished, install the chase pan and place the storm collar and cap in place. A chimney that falls too short can see competition from the home. Manufacturers often suggest you nail a piece of 1/2 to 3/4 inch OSB across the opening. A storm collar is a narrow strip of steel or aluminum that bands around the pipe. Start with the rigid sections and work from the stove to the wall. It diverts water from the outside of the pipe to the flashing cone. Installation depends on the route used for the vent pipes: vertical, horizontal, or a combination of both. Flames will come out of your stove pipe like a torch, just like a creosote fire in a fireplace chimney. For example, a 48-inch pipe may add 46 inches of height to an existing pipe due to the overlap at each juncture. Double-walled stove pipe consists of two layers of metal with an air space in between. Stove pipe is sheet metal pipe that connects stoves to chimney inlets. Neither it nor double-wall uninsulated pipe can be used to penetrate ceilings, walls or roofs. Chimney chases are popular choices. Depending on the size of the chase, it may not fit each new section of pipe with the other assembled pipe. Built-in, high-efficiency fireplaces and wood-burning stoves are capable of extremely high temperatures. Portable Rocket Stove … Made From 4 Inch Internal Diameter, Double-wall Insulated Pellet Vent Pipe: This cook stove is a valuable piece of equipment for any camper, hunter, fisherman or outdoorsman. Adapters accommodate different wall thicknesses. (hottest outer pipe was getting was under 120*F) During recent 7.0 earthquake where wood stove danced around room (while lit!) You can leave solid-pack chimneys exposed and braced. From there, you can then return to a vertical chimney secured to the outside of the home. Most manufacturers recommend you cover the entire base of the flashing and cut a hole large enough for the flashing cone to project out. You'll twist this piece into position. The chimney connects to the collar at your ceiling, passes through the attic and out the roof. These hold the sections together. UL standard 103 requires pipe capable of safety operating with an internal temperature of 1,000 degrees Fahrenheit and withstanding a maximum temperature of 1,700 degrees Fahrenheit. Address any leaks by repositioning the stovepipe or chimney pipe properly. The other end is smooth and mates with the first section of stove pipe. This measurement is usually between 8-12 inches, though it can vary by brand. Stove pipes, or chimney connectors, can be either single or double walled. The screws should be equidistant around the pipe perimeter. With the fireplace in place, assemble the chimney sections and fasten them together as you do. I have an oil furnace venting into my chimney. Ceiling support collars are intended for installation in a flat ceiling. This collar prevents water from rolling back into the chase along the chimney pipe. The pipe runs only to the ceiling, where it meets a special metal collar that passes through the ceiling to connect the pipe with a metal or masonry chimney. Rockford's double wall chimney pipe has a limited lifetime warranty. The solid insulation fits between the inner and center walls. If you have a metal or tile roof, the installation depends on the manufacturer. Double- and triple-wall insulated pipe is listed as Class A vent pipe and must meet either UL standard 103 or 103HT. Double-wall pipe cannot penetrate a ceiling or a wall. Once in the attic, the builder will frame a chimney chase. No more than five feet of unsupported pipe is permitted. No worries. In contrast, solid-pack chimneys typically feature an anchor plate. If it isn't possible to devote space to the vent run within the home, you can angle the vent towards the outside wall. It eliminates the need for propane, liquid fuel, electricity and large stacks of firewood, or wood pellets. Once this is complete, repeat the process to assemble to the storm collar and cap. Double wall stove pipe can reduce the clearance needed to combustibles in many situations and typically has a stainless steel inner wall that will provide a much loger time of service that a typical single wall setup. First, identify any special circumstances you may have. After feeding the chimney pipe through the support box, install an attic insulation shield or radiation shield around it. The other type of venting is called a solid pack or fully insulated chimney system. Use house blueprints to determine how much of a run you need to install for any modifications to the structure. Outer pipe even with many hot fires has not burned off instruction stickers yet. When building a new home, we recommend working closely with the builder and an NFI certified technician. They'll be happy to help you locate the best venting system for your price point. For this reason, double-walled pipe is also called close-clearance pipe. Use a tee support bracket for the tee. Stove pipes, or chimney connectors, can be either single or double walled. Consider the length added from the chimney support box or ceiling support as well. A sealed double-wall pipe is a good choice to maximize draft and minimize creosote deposits. This should be done before installing the roofing material as well. Burn your stove hot for an hour a day to remove your pipe creosote.If you get too much creosote in the stove pipe you will have an extremely hot creosote fire in your stove pipe. To complete the stovepipe run, the chimney installation is almost the same as a fireplace. The vent pipe itself doesn't change between high-efficiency fireplaces and stoves. The latter is the maximum allowable offset by code in the United States. Proper venting is vital for a working and efficient stove. Single-wall pipe does not last as long as the stainless interior of a double wall pipe, but they do cost less. On a lower burn I can hold my had on it a few seconds Multiples cooler than the stove. The tee consists of three elements. For shingles, the trailing edge of the flashing base should sit on top. The space between the center and outer walls circulate air for more cooling. If you're unsure, feel free to consult one of our NFI certified technicians. The venting section of an owner's manual can be around a third of the text. If there is a steep roof or nearby obstruction, the chimney will need more length above the roof to meet code. Before anchoring an appliance, verify the alignment of the vent collar and venting path. We recommend bracing vertical venting every 5 to 6 feet. You can plan everything from venting height to offset dimensions with this information. In a vertical chimney pipe installation, uninsulated pipe runs to a ceiling box designed for a flat or cathedral ceiling. Next, connect this pipe to the stovepipe section below. The second is a vertical leg from which the vertical chimney is run. Air-cooled systems do not perform well in cold climates. Because of this, manufacturers offer stove pipe adapters to start the run of pipes. And, almost all manufacturers have proprietary venting systems specific to these appliances. By controlling how much air gets in, you dictate how slowly the wood burns. Last, install the chimney cap. Continue assembly until there's only a gap between the stovepipe and support box. The inner pipe consists of 430-grade steel or 304 stainless steel. This allows the chimney to make a slight jog around the eaves without altering the structure of the home. Based on manufacturer instructions, install a firestop or radiation shield. Only qualified and knowledgeable individuals should undertake that part of the project. Most of the double wall stove pipe allows for 6" clearance from wall combustibles and 8" from ceiling combustibles. Black Double Wall Pipe (13) Black Single Wall Fittings (88) Black Single Wall Pipe (23) Fitting Type. Single-wall stove pipe can be installed from a stove to within 18 inches of any combustible material. Typically, this insulation consists of a ceramic blanket, mineral wool, or fiberglass. While some manufacturers offer adjustable lengths, others do not. And, they don't last as long. They are double- or even triple-walled pipe with fire-proof insulation. This pipe gets super hot, so it you use single wall stove pipe you'll need to keep it at least 18 inches away from walls, drapes or anything combustible. The slight upward slope ensures the flue gases will not stagnate in the vent run. You'll also need a hole cut to the size of the firestop. Putting Together a Stove Pipe Seam Set a length of stove pipe flat on the floor with the two open … Still, some customers choose to use a better system for peace of mind. From that, determine how much pipe you need to cover the gap. For installations in an existing home, survey the ceiling joist and roof rafter locations. Impresses me the cool temps of the stove exhaust. Unfortunately, not all installations involve chimney chases and straight runs of pipe. Manufacturers also specify how many offsets each vent run can have. These calculations will help determine the position of the horizontal sections. The rest of the installation is the same. What's the trick to putting stove pipe together?