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.