Traditional open fires are inefficient with a high smoke velocity. Otherwise it is not necessary. If there is any risk that the chimney could leak fumes in to the house they must line it with a suitable re-lining material. badly installed flue liners and need further attention. CHIMNEY – A chimney is the structure surrounding one … Green Lane © Copyright 2021 HETAS. However, a gas fireplace will require a much smaller flue liner – you are able to use a flue liner that is only 5 to 6 inches in diameter. As a rule of thumb the chimney or flue should be 15% of the area of the open fire opening. Working together for a cleaner and safer environment. Always consult a HETAS Registered Installer prior to undertaking any solid fuel installation work. It makes sense to drop a liner down the chimney and fit a decent cowl whilst you have the scaffold in place. Open fires with larger fireplace openings (usually freestanding grates) will need larger flue sizes calculated alongside the height of the chimney and required ventilation. Insulated liners keep the flue gases warmer, increase the upward speed of those gases and help prevent condensation. Do I need to line my chimney? The size of the lining will determine the cost along with the cost of labour – it can range anywhere from £150 to £250. This can cause smoke to pour out of the stove and it can also cause gas and oil appliances to fail. Regulations state that open fires need a minimum flue diameter of 200 mm (eight inches). If this is not the case then you may need an electric fan to overcome this problem. 5. All Rights Reserved. Chimney Liners For Open Fires. Evolve Home Energy Solutions and Exeter Community Energy (ECOE) are providing a free webinar series. There are three main reasons for fitting a flue liner. If you had a gas fire previously, you might find the gas liner coming through the chimney. At this point it is worth reminding ourselves that modern day wood-burning stoves are 80% efficient which means that only 20% of the heat is lost up the chimney. If the room has a suspended wood floor with air bricks round the outside of the house, then a simple floor grille cut into the floorboards to one side of the hearth or chimney breast is a good solution. Furanflex flue liners are the newest chimney lining technology. Flue gases contain acidic fumes such as sulphur dioxide, that combine with water from rain or condensation, to form strong acids. i have had a gas fire removed and would like a log burner putting in place the chimney has a liner ,do i need to … In any case, a cowl is a good idea for eliminating blockages and downdraughts which can cause problems with your wood-burning stove. The liner size is the number one factor for the appliance to burn properly. The first session will cover the government’s Green Homes Grant scheme and how to find quality installers. A chimney liner may be necessary in an older property if the flue inside your chimney is no longer safe to use. Installing a flexible chimney liner or complete twinwall system is a larger job and may involve ladders or scaffolding if external access to your roof is needed but is still technically straightforward. This will need removing as it won’t be suitable if you are planning on using solid fuel in your fire. E: info@hetas.co.uk. chimneys may require relining to suit the fuel type being used (a gas flue The British Flue & Chimney Manufacturers’ Association is Britain’s only Trade Association for factory-made chimney products and works closely with HETAS, Government, public bodies and other organisations to further the interest of the chimney & flue industry. This is a very popular question and the ... all stoves must be installed with a suitable CO alarm. Click here to find out more about the BFCMA. Lined Chimneys are Safer. Tel: 01684 278170 If you continue to use this site we will assume that you are happy with it. Chimney liners are mandatory if you have a wood-burning fireplace, gas fireplace or open fire fireplace. However, a liner in the chimney further reduces the risk of a leak or problem developing. Shop All Gas Fires Without Chimneys 1. A chimney liner may be necessary in an older property if the flue inside your chimney is no longer safe to use. Wood burning stoves usually require a flue liner, and it is highly recommended that you combine this with a suspended pot hanger chimney cowl. A chimney fire is more likely (far less likely if lined and would also be contained within the metal tube) if you do not fit a chimney liner. Chimney systems that predate 1965 There are a few types of liners available for all types of fireplaces. Then we will be introducing Read More…, HETAS has been providing industry-leading training for installers of solid fuel and biomass appliances for decades with our MHCLG approved competent persons scheme in place since 2002. Helpline is Do I need my chimney lined? These interactive meetings keep staff up to date with changing legislation Read More…, The new legislation will ban the sale of the wet wood and house coal, aiming to prevent harmful pollution from domestic burning of all solid fuels. A chimney liner is obligatory if you are installing a woodburning stove, gas fire or open fire in a new build property to comply with Document J of current Building Regulations. Undersized liners will not allow the appliance to vent properly. Unburnt particles and gases take the form of visible … These will have information to help make homes more energy-efficient. For homes with a Class 1 Chimney there doesn’t tend to be many restrictions on the type of fireplace but it is important that the chamber itself has enough room to house the fireplace. But you really do need to know what size of flue is recommended for your planned stove, … The next consequence of not lining your chimney is it more likely that you will have a chimney fire. Need any further help you can email us info@chimneyproductsdirect.co.uk A chimney liner is obligatory if you are installing a woodburning stove, gas fire or open fire in a new build property to comply with Document J of current Building Regulations. When an installer checks your chimney they may find that the only way to provide you with a compliant and safe installation is to line the chimney. liner may not be suitable for other fuels). The chimney liner should never be undersized for any appliance, especially to accommodate insulation around the liner. The agenda of CPD sessions and workshops can be tailor-made to the requirements of your Local Authority. Furanflex flue liner technology can be applied to domestic kitchen extracts, commercial condensing boilers, air ventilation ducts along with many other types of commercial, industrial and domestic applications. The ideal flue size is … There are a number of reasons why you should install any type of flue liner, here are some listed below: Some key advantages of a furanflex flue liner are: The first and probably biggest hazard is you run the risk of having smoke and carbon monoxide travelling back into your home. Most of our clients come from the following areas in London: Camden, Royal Borough of Greenwich, Hackney, Hammersmith, Fulham, Islington, Royal Borough of Kensington, Chelsea, Lambeth, Lewisham, Southwark, Tower Hamlets, Wandsworth, City of Westminster, Barking and Dagenham, Barnet, Bexley, Brent, Bromley, Croydon, Ealing, Enfield, Haringey, Harrow, Havering, Hillingdon, Hounslow, Royal Borough of Kingston upon Thames, Merton, Newham, Redbridge, Richmond upon Thames, Sutton, Waltham Forest, and surrounding areas. If installing the stove into an existing fireplace/chimney and not using a new chimney liner the installation is very straightforward for a person with average DIY skills. Click here to find out more about the BFCMA, Search the HETAS Product list for suitable chimney systems and liners, Enclosing a twin wall factory metal chimney, Evolve Home Energy Solutions and ECOE free webinar series, CPD Sessions and Workshops offered by HETAS, New legislation for wood and manufactured solid fuels, The flue may have lost integrity and can leak smoke into rooms or other part of the building, 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. This chimney project is for an open fire. Do I need a chimney liner? B. DEFINITIONS Before proceeding further it is important to understand the terms used when talking about chimneys. Flues above 6m tall should generally be not less than 1/7th to 1/8th of the area of the fireplace opening, e.g. For special projects we also offer our services in all of the UK. There are regular flue liners, steel flue liners, flexible flue liners and lastly there are furanflex flue liners. There is a regulation that says your installer must satisfy themselves that the chimney is free from defects and suitable for its intended use. Search the HETAS Product list for suitable chimney systems and liners. will often require a modern lining solution for the following reasons: The BFCMA has produced general guidance on the selection and installation of flues and chimneys for wood burning and multi fuel appliances in residential properties. To check the flue way is clear of blockages and birds’ nests. Inspect the recess and chimney For an open fireplace to function properly and for the chimney to draw, the ratio between the chimney and fireplace needs to be exactly right. Class 2 liners Unit 5 Newtown Trading Estate Will a gas engineer be able to buy the model i like or do I have to go to a gas fire shop. Other possible solutions are to reduce the fireplace opening or install a canopy to reduce the opening. However, for a more accurate price contact us and we will provide you with a free estimation. The webinars will take place over two days. Compare this with an open fire which is only 15% to 20% efficient with … There are quite a few choices of system and the most popular is the flexible stainless steel type. GL20 8HD It may be an essential part of your installation. … Some appliance manufacturers specify smaller flues for efficient operation. New I had to get a liner fitted to my own chimney as when I bought the house someone has fitted a stove with just a debris plate with cleaning hatch, you just would smoke myself out of the room trying to get the chimney … Do I Need a Flue Liner for My Chimney? The Ready to Burn certification scheme will underpin The Air Quality (Domestic Solid Fuels Standards) (England) Regulations 2020 and comes into force in England from May 2021 for most Read More…, HETAS Ltd If there is any risk that the chimney could leak fumes in to the house they must line it with a suitable re-lining material. However, modern wood burning or multi fuel stoves are 75% or more heat efficient - meaning that only 10% or so of the heat is going up the chimney and is … We had the sweep round recently and he told us off for burning damp wood (which apparently makes lots of soot and can eat through the brickwork) but he didn't mention getting it lined. There are appropriate tests to determine whether or not a chimney is ‘sound’ and does not leak, these are referred to as … For the most part their purpose was to facilitate an open fire and they would require natural circulation to take the waste gases away from the fireplace. The “flue” is the passageway through which the smoke and combustion gasses travel from the fire place to the outside air, usually via a chimney, this flue needs to be in good condition and must not leak, if it does the chimney flue will require relining. Gloucestershire The volume of gas is much less, but exits the burner at more than twice the temperature of an open fire. Grilles must have a sufficient free open area. It makes no sense to install a chimney liner against a dirty chimney and run the risk of a chimney fire. If any work undertaken on the chimney, including installation of a new liner, is done in conjunction with the installation of a heating appliance, then that work is a controlled service and must be undertaken by a competent person, such as a HETAS Registered Installer or approved by your Local Authority Building Control department. However, if you're not using your fireplace and your chimney acts solely as a vent for your furnace or water heater, you may not need to have a liner installed. However, a liner is not always necessary. Sometimes people say “do I have to line my chimney when I have had an open fire in this chimney for years and no problems”. Due to the size and weight of the flue liner, it is advisable to have scaffold in place. You should also use a chimney lining for an open fire, as this produces waste gases too. For houses without a chimney, installing a balanced flue gas fire is a very popular option. Cracked masonry should be addressed from an energy-savings perspective -- a lot of air could be escaping from your home, depending on where the damage to the chimney is located -- but it's not likely to be a fire … Flue diameter of 200 mm ( eight inches ) provide you with a minimum diameter of 200 mm ( inches... If the flue inside your property, gas fireplace or open fire fireplace and! 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