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The requirement to CE mark external timber windows and doors became
mandatory on 1st July 2013.

CE marking is a key indicator of a product’s compliance with EU (European Union) legislation and enables the free movement of products within the European market. CE marking confirms that a product satisfies the legislative requirements, e.g. a harmonized level of safety, to be sold there. It means that the manufacturer has verified that the product complies with all relevant essential requirements, e.g. health and safety requirements, of the
applicable directive(s) or, if stipulated in the directive(s), had it examined by a notified conformity assessment body. The CE mark is specified by the EU but refers to the relevant country’s regulations. Within the UK this enforces compliance with Building Regulations (Part L), which is applicable for all external windows and doors covered by the legislation. Within the UK the legislation will be enforced by Trading Standards, NOT building regulations.

CE Marking will affect ALL joinery manufacturers. DO NOT think that because you have a one off window or door that you will not need to have a CE marked window or door supplied.

If an item requires a U-value then it also needs a CE mark. Some joinery companies are still not providing u-values or the correct u-value, which relate to building regulations – Part L. This stipulates (since October 2010) that external windows need to have a u-value of 1.6 for a renovation project (or 2 in a new build) and external doors require a u-value of 1.8. If you are currently just calling the local glazing company for the u-value of the glass this is not the same as the overall u-value. The overall u-value is based on the following; type of timber, centre pane u-value and the Psi value of the spacer bars. It is likely although not confirmed that u-values will be lowered in April 2014. If a u-value is not required due to conservation exclusion then CE marking will not be required either. Most ‘Bespoke’ windows WILL require a u-value as they are not truly bespoke. (Truly bespoke windows will be exempt from requiring u-value and therefore CE marking.) Most joinery companies use standard section sizes. If the manufacturer has used the same section size before then the item is NOT bespoke and if the manufacturer uses the same section size again then subsequent windows of that section size are not bespoke either.

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