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Larch - Siberian

Botanical Name: Larix siberica

Source Location: Russia, Siberia

Dimensions: Siberian Larch is available up to 200x50mm x 5.7m

Durability: A popular choice due to its aesthetic natural beauty and rustic characteristics. Siberian Larch has a natural durability which does not require a preservative treatment. The high proportion of Heartwood and presence of tannins in the wood create a high resistance to decay and rot, making Siberian Larch one of the toughest and most durable softwoods.

Uses: Available in a range of Bevelback, Board and Batten and selected Vertical Shiplap profiles. Siberian Larch is also suitable for Soffit lining, panelling, Decking, Interior screening and Battens.

Tips: A great alternative when seeking cost effective options to more premium Timber cladding such as Western Red Cedar.

Technical Information

Heartwood Colour: Pale Yellow to light tan

Sapwood Colour: White to cream

Grades: Sawfalling I-IV

Durability: Class 3*

Radial Shrinkage: 4% (Green to 12% Mc)

Tangential Shrinkage: 9% (Green to 12% Mc)

Mechanical Properties Green Dry (12%)
Modulus of Rupture (MPa) 54 88
Janka (kN)   5.2
Max Crushing Strength (MPa) 46  
Shearing Strength (MPa)   9
Modulus of Elasticity (GPa) 8 10
Specific Gravity (kg/m3) 580  
Weight (kg/m3)   620


*Durability classes are based on Australian Standards AS5604-2005 and all the relevant information in the standard. The heartwood of an individual piece of timber may vary from the species nominated.

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