Siberian Larch

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Siberian Larch is a very special conifer. While becoming more popular, Siberian Larch is packed with both style and design as well as durability, strength and high quality.

Siberian Larch is mostly used in following applications:

  • Façade for private – and public buildings
  • Terraces and balconies
  • Roofing
  • Gardens and playgrounds
  • Boat landings and footbridges
  • Special structures in contact with the ground
  • Flooring

Due to Larch’s density, and a high tar- and resin content, Siberian larch is very durable even without treatment. In fact it’s one of the trees with best weatherproof qualities.

Siberian Larch

Characteristic properties:

  • Density 900-1100 kg/M3
  • Flexibility 54,1-79,9 MPa
  • Pressure 33,7-40,6 MPa
  • Tensile strength 78,8-90,2 MPa

Available dimensions:

  • Standard sawn timber: 25/32/50×100/125/150/175/200mm
  • Flooring with T&G (for indoors): 20×115/140mm
  • Planed timber: 20/25/45×95/120/145/170/195mm


 

GRADING SPECIFICATION

Extra grade – the highest grade

On the surface of a board, the presence of very small light knots, which do not affect the structure of the material as a whole, are permissible. Prestige appearance and material of the highest quality – blue, rot, wormhole, veneer, cracks, mechanical damages are not allowed, practically without defects.

Larch Extra Grade

Premium

– almost as Extra grade, but few healthy knots and pit pockets allowed.

Larch Premium Grade  Larch Premium Grade

A – high class

On the surface of the tree is allowed the presence of small knots that do not affect the overall structure of the material, they should be light colored. Not allowed blue, rot, wormhole, review. Not allowed through cracks with a width of not more than 2 mm, not more than 200 mm in length, also some black knots allowed.

Larch A high class  Larch A high class

A / B is the middle class.

There may be knots of various sizes – healthy and black knots, but without significant cracks or chips (not more than 20 mm). Combination of A and B qualities.

Larch A/B class

C – the lowest and cheapest class

On the surface there may be knots, grindings, cracks and other defects.
Such wood is often used under a layer of better coverage, which saves on the aesthetic side of the skin, but not on its strength. Unlimited amount of knots.

Larch C class

 

Siberian Larch is one of the few old growth woods that are being harvested from a sustainable forest. The natural growth rate of Siberian Larch is five times more than the rate at which it is being harvested.

  • Since September 2002, Leitinger has been certified according to the criteria of the Forest Stewardship Council (FSC).
  • The first operation in the European part of Russia to be certified according to FSC criteria was Leitinger’s plant in Madok.

 

REFERENCE CASES:

Larch flooring
Larch flooring
Larch facade
Siberian Larch facade, flooring and roofing
Larch facade and flooring
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