Siberian Larch
Larch Facts
- Beautiful to look at
- Excellent durability
- Slow grown high-density
- Environmently friendly
Siberian Larch (Larix Sibercia), rates as one of the most durable of softwood species, rich in lignum and resin to give it its excellent durability, wear resistance and resistance to impact damage. Current standing of stocks of larch are estimated at over 30 billion m3 and still "growing".
Properties
Colour varies from light yellow - orange - gold - brown heatwood. Siberian Larch is one of the most durable species of coniferous wood. Owing to its slow growth rate it has an unusual durability for a softwood with a density of 700 - 800 kg.m3 - dry wood. Owing to its high density, Larch has an excellent wear/impact resistance ideal for cladding areas where impact damage may occur i.e. Schools, Shopping areas, Public Walkways etc.
Durability
Class 111 (based upon average of European and Russian Larch). Experience has shown that Siberian Larch is much more durable.
10 - 15 years in contact with the ground
50 - 100 years unprotected outdoors
100 - 150 years Protected outdoors
Comp strength in N/MM5: 65
Bending strength in N/MM5: 112
Modulus of elasticity N/MM5: 15000
Grading Rules
Generally we use "A" grade for the production of our cladding. As a guide our "A" grade is graded as:
- Centre free - Heart free.
- Practically free from sapwood on face and edges.
- Knots allowed upto and including 25mm, some black ringed possible but sound.
- Small resin pockets.
- Kiln Dried average 16%.
- Lengths 2.1 & longer but will contain 5-10% 1.5-1.8 m lengths.
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If you are looking for strength - Visual appearance - low maintenance
- Environmentally friendly - at a competitive price -
Siberian Larch is the answer!
Please note we currently stock the above channel profile in "A" grade. Ex 25 x 150 finishing at 21 x 146mm (136mm cover).
If you would like a sample please contact us. |
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