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Chimneys & flues
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A new mark of quality A
Dennis Milligan, president of the British Flue and Chimney Manufacturers Association (BCFMA), discusses the development of new product and installation standards following Brexit
new quality mark has arrived in the UK. Brexit has seen the introduction of the UKCA mark (UK Conformity Assessed). The UKCA mark will replace the CE mark for products being placed on the market in Great Britain. However, there is one complication, in Northern Ireland and for products being sold into the European Union the CE mark will still be required. After all it is Brexit. This year will be a transition year. The CE mark will no longer be valid in Great Britain from 1 January 2022. In 2021 a new product designed and manufactured in accordance with UKCA regulations should carry the UKCA mark. The CE mark has become widely recognised as the mandatory approvals mark on flue and chimney products. The UKCA mark will take on this role. Like the CE mark the UKCA mark will be your guarantee that the product meets the latest product standards. To achieve the UKCA mark a product must be tested
by a UK conformity assessment body to ensure that the product meets the latest standards and is fit for purpose.
The BFCMA is currently working on the development of new product and installation standards that are due to be published over the next couple of years. Specifiers and installers in GB should start to look out for the UKCA mark, when they are considering the use of a product.
Matching the flue
The BFCMA has produced design and installation guides for wood burning and multi-fuel stoves, biomass appliances, gas appliances and commercial flues
The function of a chimney or flue is to discharge the products of combustion safely into the atmosphere. This, however, is not as straightforward as it may sound. Most chimneys operate under negative pressure, relying on the laws of thermal dynamics to transport the flue’s gases up the length of the chimney or flue to atmosphere. This requires an
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