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Finger-jointed solid timber is graded, kiln-dried and planed solid timber, which can be manufactured in almost any length. Specifications for finger-jointing are given in EN 15497. Finger-jointed solid timber is classified into strength classes by visual or machine grading according to EN 14081-1. In Austria and Germany visual grading continues to take place according to ÖNORM DIN 4074-1. Different strength classes apply. The natural durability against biological attack of this type of timber product depends on the wood species used. The durability can be enhanced with standard techniques such as preventative biocides. The requirements of standard EN 15228 have to be followed. In addition to the requirements of the standards, further quality criteria are specified by the community KVH®. The CE-certification of this product group according to the harmonized standard EN 15497 has been compulsory since 10.10.2015. This standard defines performance requirements and also sets a maximum wood moisture content of 18%. The adhesive used to bond the lamella has to fulfil the requirements of load-bearing structural timber components.


Details of sustainability rating (m3)

Finger-jointed solid construction timber


According to EN 15497

According to EAD 130484-00-0304

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