the Birch Karelian - a special version of a birch warty from family berezocvetnyh (Betulaceae), characterised by thickenings on a trunk and figured mramorovidnoi a wood structure (dark brown inclusions on a light yellow background) the Tree in height to 35 metres with diameter of a trunk nearby to 60 centimetres. Meets it is scattered in woods of Kareliya and further on the east to Urals Mountains, and also in Latvia, Belarus, Estonia, in the countries of Scandinavian peninsula. Population is limited.
Colour of mature wood - from rozovato-grey to yellowy-brown and light brown. Wood fibres are often braided (svilevatost'), wood is decorative, contains aromatic substance betulin and has a weak, pleasant smell.
Wood of the Karelian birch rather badly gives in to machining. It is highly appreciated as a fine material for manufacturing of expensive furniture and various luxury goods, it is used in mosaic parquets and in incrustations, for creation of exclusive interiors. In expensive furnish it use together with metal that increases natural beauty of a tree. After polishing and a covering a varnish svilevatost' gives unique visual effect. For avoidance of deformations and treschinoobrazovaniya demands long and cautious drying. For prevention of formation of cracks by an obligatory condition drilling of apertures under nails and screws is. Application of varnishes, glues and first coats on a water basis is not recommended. Before a covering poliuretanovymi varnishes drawing of the first coats excluding is necessary
«podjig» wood.
About one and a half metres. Widespread in Europe, it is traditionally applied to manufacturing of parquet floors.