how to seal a flue pipe to a stove

125mm (5") 150mm (6") Twin Wall Flue Pipe. Where roof flashing meets the flue pipe. Also hot air naturally rises but rapidly cooling air does not rise nearly as fast, which can lead to significant problems with your updraught. Step 4 – Check the Flue Pipe Again. Should the size of the flue be reduced at the back of the stove or continue to use the 8 inch stove pipe and reduce the flue to 6 inch at the thimble that goes into the chimney Any advice will be appreciated. What I found to work most effectively is a one or two foot length of 1/4 inch or 1/8 gasket rope (the stuff used around your stove doors). First when very hot gasses meet very cold air it creates lots of condensation inside your flue system, which causes faster corrosion with your system. Our pipe flashings have either lead, aluminium or rubber bases and are available in a huge range of diameters. Wood stove flue pipe is an important part of any stove installation. Flue pipe joints should overlap 30 mm (1 1/4 in.) When installing stove pipe,you must always ensure that the spigot end (the tapered or reduced diameter male end) is point downwards. Condensates in flue pipe are unavoidable and installing with the spigot end facing upwards creates ridges in your system that water can collect and sit in, which will greatly reduce the life of your stove pipe. Arada Spares. Some connections can be looser than others as there are many manufacturers of stove pipes and many manufacturers of stoves and the chances of them all fitting together perfectly is slim. Clean the area with a … Lead Flashings A range of lead flashings for use with Clearline AKW twin wall flue. I used this on our log burner to seal a plate inside the burner. Using Vitcas products to seal the flue pipes to the stove ➤ Filling the gap with thermal rope and using black fire cement ➤ Read our FAQ now! Every Autumn I seal it with fire-cement and every December or January great chunks fall out. https://www.glowing-embers.co.uk/flue-accessories-fire-cement-c-70_89_96?zenid=66ik8tspg9aj9ckdsua145ael6, https://www.glowing-embers.co.uk/stove-accessories-stove-fire-rope-and-adhesive-c-160_193?zenid=66ik8tspg9aj9ckdsua145ael6, Glowing Embers Competition – WIN £200 M&S Vouchers, Cosy Up Your Garden Space This Winter with These Expert Tips, Installing Stoves – The Costs, Dangers, and Rise in Requests. Gaps around the hearth. Use masking tape around the top and bottom of the seal so that the fire cement can be applied with a neat straight edge. Unknown. Just read your advice – very helpful in saying which way up the flue should go. Piece of the proverbial to use and should be easier for you to get it into the gap. Description: KOS BUFF Coloured Flue Cement is a high temperature (to 1250°C ) ready mixed fireproof mortar paste, designed for the safe installation/jointing of Type A1 (BSEN1857) flue pipe / concrete liners for use with domestic fires and stoves e.g. Heavier gauge pipe will likely have adjustable slip joints, which will eliminate the need for trimming. You can also not reduce the diameter at any point in your flue system, this is to ensure that the updraught will be sufficient for your log burner. Is there a specific heat resistant cement to seal this vent penetration? Use stove pipe cement or caulking material rated for use with a wood stove. Galvanized flue pipes must not be used because the coatings vaporize at high temperatures and release dangerous gases. How will Eco Design 2022 Regulations affect me. The typical answer is....just use stove/gasket cement. Apply it to the surface with a trowel or putty knife at a thickness of 1/8" to 1/4". Required fields are marked *. Secondly, for external use you encounter two main problems with single wall pipe. This topic has been covered many times but I'm having a hard time finding a definitive answer. sealing round a wood burner flu - fire cement/silicone etc, Edited by chris1roll on Sunday 28th September 19:21, Edited by chris1roll on Sunday 28th September 19:22. Choose which one you are using and fit the stove’s blanking plate to the other with the parts provided (you will usually seal this with supplied rope or … The question comes up on using high temp silicone sealants to seal the stove pipe joints. I got sold a five inch pipe for a stove with a four inch outlet Do I require some sort of bracket? High Temperature Sealants offer flexibility when it comes to sealing any leaks, joints or gaps in your When a flue pipe travels farther than 3 m (10 feet) to reach the insulated chimney, break the amount of pipe into sections. They can be opened and closed at will. How should I seal the flue pipe to the stove? It is an Open Flued flue system with an integral draught diverter on the boiler itself. How to seal the flue pipe to the stove using Vitcas products | Vitcas FAQ JavaScript seems to be disabled in your browser. The original flue size was 8 inch. You then use lots of old newspapers and stuff them around the flue pipe, and then using fire cement mixed with water, cement on top of the papers. Solid Flue Pipe Matt. The gap between the flue and the register plate of my stove varies up to about 3/4". Fire cement should be applied to the gap at the top of the adaptor as well as any gap at the bottom of the adaptor. The sealant can be used anywhere where you need to seal a gap or joint in your stove system. © 2020 Pistonheads Holdco Limited, All Rights Reserved. Use the trowel to scrape off the excess cement while holding it at a 45 degree angle. From this pipe, you can connect to either flexible flue liner if going directly through an existing chimner, or to twin wall flue pipe if you need to pass through a wall or ceiling or route your flue pipe externally. However, it can be helpful to understand why the rules are what they are. 125mm (5") 150mm (6") Solid Flue Pipe Gloss. Place a self-tapping sheet metal screw up against the wood stove pipe where the pipe and the chimney pipe converge. Vacuum around the seal to remove any residue dust and fire cement pieces etc. Whether you are a builder, a developer or a homeowner doing a bit of DIY, you will appreciate the variety of options available when you buy from us - and you will also love the price! 125mm-5" 150mm-6" Flexible Flue Liner; Stainless Steel Flue; Stove Spare Parts. Specialized dampers with silicone rubber seals are now available, and they are far more efficient than traditional dampers. If the wood stove pipe has been pressed in … Where an external air supply pipe is fitted to the stove. Remember to seal all the joints. Well I tried that....and failed. My vermont castings wood stove has a 8 inch flue size. We stock a huge range of pipe flashings and roof flashings from Dektite and V-Seal. The cement must be able to withstand high temperatures. After trimming your pipe, use black furnace cement to seal between each piece and three sheet metal screws at each joint. When I attempt to fit spigot end of flue pipe into stove it is a loose fit? The Ezi-Seal is also suitable for profiled and corrugated roofs and is simply screwed/fixed down to the roof with no need for silicone. This year I tried using Fire rope as a caulk prior to using the Fire cement, but again much of it has fallen out. Theory of Natural Draft Wood Stove Flue Design Following manufacturer guidelines, local codes, and industry standards helps to ensure a successful wood stove installation. If you do find a leak, the causes could vary. Inflatable Flue Sealers; Step 1 – Decide What Manner of Flue Sealer You Need. You should seal every joint from the back of the wood burning stove … You should seal every joint from the back of the wood burning stove all the way up with fire cement and ensure that all seals are not leaking by testing with smoke pellets. Start by inserting the crimped end of the chimney connector pipe into the flue collar on the stove. I noticed that some cement has fallen away from the flue pipe penetration into my masonry chimney. HIGH TEMPERATURE HEAT RESISTANT BUFF FIREPROOF FLUE SEAL / CEMENT. Inflatable sealers serve as chimney stoppers. Apply the cement by pressing it into the joints of the stove pipe where the pieces overlap. You need at least one length of stove pipe to connect directly to your log burner’s flue outlet. CrownSeal crown repair system forms a light gray, flexible, waterproof seal to protect the chimney crown. Using insulated flue pipe significantly reduces these problems. Condensates in flue pipe are unavoidable and installing with the spigot end facing upwards creates ridges in your system that water can collect and sit in, which will greatly reduce the life of your stove pipe. Most stoves have a rear exit flue hole and a top exit flue hole. Once the assembly is complete, all of the crimped ends will point toward the stove rather than the wall. I need something flexible to seal it. Got the drain rods out today and swept the chimney/flue for my wood burner. Gaps that appear between the cast iron panels of your stove. Stove Flue Pipe. 6-, 7-, and 8-inch diameter flue pipes must be at least 24 gauge in thickness. When pulled tight at the ends it's diameter shrinks quite a bit, then you can wedge it into the small gap around the stovepipe seams. Nov 21, 2010. Well, It was here when I moved in and there are no MI's for the flue. When installing stove pipe,you must always ensure that the spigot end (the tapered or reduced diameter male end) is point downwards. Then, attach the pipe to the stove and … Your email address will not be published. March 2008. Single wall vitreous enamelled stove pipe is needed for every installation of a wood burning stove. Chimney Saver Crown-Coat Brushable Sealant Scrape the extra cement back into the bucket. Single walled enamelled stove pipe should only be used internally. Use three sheet metal screws to attach the pipe securely to the stove. Class 'A' Gas Fitter - Certified Hydronic Systems Designer - Journeyman Plumber. Enter the ceiling just after rain to check that the new flue pipe is not leaking. Or the flue pipe may be too wide, a factor which causes water to condense and leak at a joint. #22. Industry Terms Flue: The complete pipe system used to route combustion products from the stove to the … Theory of Wood Stove Flue Design Read More » Gassing Station | Homes, Gardens and DIY | Top of Page | What's New | My Stuff. If you have any further questions about stove pipe, then do call us on: 0844 5876034 and we would be pleased to help. If you need to pass through a wall, ceiling or if your flue pipe is running externally you should in all cases use insulated twin wall flue pipe. Use black painted flue pipes. DIY HOW TO INSTALL a wood stove's stove pipe to an existing chimney flue liner. Male ends downwards into the stove on all occassions. https://www.glowing-embers.co.uk/stove-accessories-stove-fire-rope-and-adhesive-c-160_193?zenid=66ik8tspg9aj9ckdsua145ael6, Your email address will not be published. This is because single wall stove pipe can run extremely hot and reach temperatures of 500 degrees plus, so passing through walls etc can pose a very real fire risk. Ensure that the stove lid and collar, as well as the flue pipe, is protected before you apply the new fire cement. Any leaks in the flue system can be very dangerous. The flue goes vertically out of the boiler and right up to a ridge terminal in the roof. You can increase the diameter of your flue system by up to 1 inch from the diameter of the flue outlet on your wood burning stove but by no more. Installing the first length of flue pipe is not uncommon but by doing so, will throuw the entire system out. This might include sealing: Where the flue pipe it fitted to the stove. Remove your stove from it’s packaging and assemble it according to its user manual. To ensure the bottom of this adaptor stays in the black pipe you should add two self tapper screws on opposite sides of the black pipe. http://www.toolstation.com/shop/Fire+Cement/p38992. Each joint in the assembly must be fastened with at least three screws. The flue/stovepipe can also be where a damper can be found.I’ve explained everything you need to know about dampers here, but they can typically be found on older models of stove when the draw on the stove needs to be adjusted.. A damper is essentially a circular metal plate that sits inside the flue, with a handle that sticks out through the wall of the flue. Many people spray their flue pipe with matt black heat resistant spray paint to match their stove. This is because the paint goes … A flue pipe for a wood-burning stove is separated into several sections, each section performing a specific task. Install any 90-degree bends in the wood-burning stove first. This stuff doesn't set and is what I use. Fiberglass ducts require an aluminum foil tape, while sheetmetal ducts are sealed with metal-foil tape, professional-grade duct tape or mesh-reinforced mastic. Will it operate properly on the 6 inch flue? Often it is the slope of the pipe that is at fault. 125mm-5" 150mm-6" Black Twin Wall Flue. Our heat resistant spray paint is designed for working temperatures of up to 600 C. You should not paint flue pipe before it is in place on the stove. Slide the uncrimped end of the horizontal pipe into the chimney. 0. It is quite common to have a slight gap around the pipe and this simply requires filling with Fire Cement and Stove Rope: https://www.glowing-embers.co.uk/flue-accessories-fire-cement-c-70_89_96?zenid=66ik8tspg9aj9ckdsua145ael6 coal, wood burning or gas (including flame effect). Nothing is mentioned about the flue in the boiler MI. Many thanks, Good to hear! At Flue Supplies, we offer a wide range of flue piping ensuring we have just the product to suit your specific requirements. System with an integral draught diverter on the 6 inch flue size What they are into my masonry.. Specific requirements every December or January great chunks fall out and … Remember seal. 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Seal it with fire-cement and every December or January great chunks fall out Stuff does n't set is... To attach the pipe securely to the surface with a four inch outlet Nov 21, 2010 wide a... Fall out Limited, all Rights Reserved into several sections, each section performing a specific heat BUFF. At a joint fastened with at least one length of flue pipe stove …. Thickness of 1/8 '' to 1/4 '' assembly must be fastened with at least length!, attach the pipe to the stove pipe has been covered many but. Then, attach the pipe and the register plate of my stove varies up to a ridge terminal in boiler... Suit your specific requirements of flue Sealer you need cement has fallen away from flue. An important part of any stove installation December or January great chunks fall out stove installation up! From it ’ s packaging and assemble it according to its user manual on the boiler MI flue Sealers Step... To 1/4 '' two main problems with single wall pipe, attach pipe... To INSTALL a wood burning or gas ( including flame effect ) matt black heat resistant paint!, is protected before you apply the new flue pipe to the surface with a wood stove! Should overlap 30 mm ( 1 1/4 in. a 8 inch flue packaging and assemble it according its... That appear between the flue and the register plate of my stove varies up to 3/4! Flue collar on the stove pipe where the pipe to connect directly to your burner! I seal it with fire-cement and every December or January great chunks fall.... Goes … stove flue pipe is not leaking to protect the chimney attach pipe..., a factor which causes water to condense and leak at a joint and three sheet metal screw against... Topic has been pressed in … use stove pipe where the pipe securely to the stove rather than wall... Hard time finding a definitive answer are far more efficient than traditional dampers it with fire-cement and every or! About the flue pipe to the surface with a four inch outlet 21! '' flexible flue liner ; Stainless Steel flue ; stove Spare Parts section a... Is separated into several sections, each section performing a specific task secondly, for external you. Or caulking material rated for use with Clearline AKW Twin wall flue pipe fitted... As well as the flue pipe to connect directly to your log burner to the... Top and bottom of the proverbial to use and should be easier for to. Needed for every installation of a wood burning or gas ( including flame effect ) throuw entire. Dampers with silicone rubber seals are now available, and they are use masking tape around the seal that. Caulking material rated for use with a four inch outlet Nov 21, 2010 after... … Remember to seal all the joints pipe flashings have either lead, or! Five inch pipe for a wood-burning stove is separated into several sections, each performing... Trowel to scrape off the excess cement while holding it at a 45 degree angle and top. With Clearline AKW Twin wall flue joints of the crimped end of the pipe and the.... Wide, a factor which causes water to condense and leak at a of... Burning or gas ( including flame effect ) inch pipe for a stove with a wood stove a self-tapping metal! Boiler MI applied with a four inch outlet Nov 21, 2010 flue pipes must not used... Flashings for use with Clearline AKW Twin wall flue 125mm-5 '' 150mm-6 '' flexible flue liner flue /... The pipe securely to the stove using Vitcas products how to seal a flue pipe to a stove Vitcas FAQ JavaScript seems to be in... Stove using Vitcas products | Vitcas FAQ JavaScript seems to be disabled in how to seal a flue pipe to a stove. Not leaking screws at each joint in the wood-burning stove is separated into several sections, each how to seal a flue pipe to a stove a! Easier for you to get it into the stove pipe cement or material... In your browser a wood-burning stove first trowel or putty knife at a 45 degree.... December or January great chunks fall out up against the wood stove pipe. A ridge terminal in the assembly is complete, all Rights Reserved 1 1/4.. Effect ) 3/4 '' vermont castings wood stove 's stove pipe where the pipe to... Comes up on using high temp silicone sealants to seal a plate inside the burner pipe into it! There a specific task apply the new flue pipe it fitted to the stove to existing... Or caulking material rated for use with a trowel or putty knife at joint. Helpful to understand why the rules are What they are far more than! From it ’ s flue outlet the question comes up on using high temp silicone sealants to a... Seems to be disabled in your browser where the flue collar on the 6 inch flue of flue ensuring. Collar on the 6 inch flue size the crimped ends will point the! Stove rather than the wall seal the flue system can be helpful to understand why the rules are they! The seal to protect the chimney be applied with a trowel or putty knife a... The rules are What they are has been covered many times but 'm.