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Ancillary Items, Siberian Larch
Siberian Larch Corner Covers
The Siberian larch rounded angle corner trim provide a great solution for rough edges where two boards meet to add a smooth, curved and soft edge. Siberian Larch corner trims are used on internal or external corners to conceal screw fixings and slight imperfections. Made from high-quality slow-grown Siberian Larch.
- Kiln dried to approx. 16-18% (+/- 2%)
- Ideal to cover rough edges or where two boards join
- Can be treated with different color-stained oils
- Can be left untreated to get an attractive silver-grey colour
- Can be charred and oiled to match charred cladding shade
| Price excl. vat ( VAT added on checkout ) | l/m price |
| 40 x 40mm / 50 x 50mm / 60 x 60mm | £12.94 / £16.17 / £19.41 |
Lead time: 2 – 10 days
Order sample
PSE+ Stainless steel screws£31.05 – £46.58
Technical specifications
| Wood type: | Siberian larch (Larix sibirica) |
| Corner trim treatment: | None |
| Density: | In dry state approx. 628 kg m³ |
| Lifespan: | Proven life expectancy of 50+ years |
| Humidity: | Dried up to approx 16-18% (+/- 2%) |
| Purpose: | Outdoor / indoor use |
| Dimensions (mm): | 40x40mm / 50x50mm / 60x60mm |
| Origin: | Sustainable forests of Northern Russia (Siberia) |
| Available length: | 2.4m |
| Appearance: | The wood come in a warm mix of colours, from light yellow brown through to golden browns with a strong grain, similar to pine. Depending on the grading, the boards may contain a few dark knots. |
| Weathering: | When the boards weather, the color changes to beautifully consistent silver gray, which is highly desirable in many projects. |
| Insect attack: | Resistant |
| Treatability class: | Resistant |
| Impact resistance: | High |
| Scratches and abrasion: | Resistant |
| Extracts: | Siberian larch is more likely to contain resin than oil or tannin. The resin is fixed by firing and does not tend to bleed out. Larch is fairly consistent and non-reactive and, as such, becomes relatively evenly weatherproof. |
Siberian larch properties
Durability
Siberian Larch wood is naturally durable (Class 3 according to BS EN 350-2) – and therefore ideal for outdoor purposes – due to a combination of factors:
- The chemical composition of the wood creates a high resistance to rot and decay, which makes Siberian Larch one of the hardest and most durable softwoods.
- High density – this means that it is more difficult for decaying organisms to penetrate the wood.
- Long lifespan – lifespan of approx. 50-100 years with correct detailing and general outdoor exposure. Better durability properties can only be achieved with Accoya wood.
The natural durability of Siberian Larch means that no treatment of the wood is required and any coatings applied are for aesthetic purposes only.
Density
Due to the high percentage of heartwood (75-90%) and the minimal proportion of sapwood, Siberian Larch is an extremely dense timber, which is classified by BS EN 350-2 as approximately 630 kg / m3 with a moisture content of 18%. As such, it is not easily damaged, making it ideal for highly exposed elevations, or applications where there is a likelihood of damage such as bumps or scratches.
Stability
The extreme continental climate in Siberia (Russia) produces a high proportion of late wood, which provides enhanced dimensional stability and enables a smoother machine finish.
In addition, our Siberian Larch is kiln-dried to around 16-18% (+/- 2%), the optimal moisture content for outdoor use. This moisture level is retained until delivery on site, so your Siberian Larch wood can be installed immediately. The benefit of kiln drying Siberian Larch, as opposed to air drying it, is that the timber dries uniformly and therefore achieves optimum stability.
Note: The corner trim width can change due to changes in moisture content. The corner trims are kiln-dried to approx. 16 – 18% before processing. Siberian Larch corner trims are shipped in certain sizes from our warehouse, but a margin of error should be allowed for when making calculations, due to the natural contraction of the wood.
Siberian larch timber quick tips
Siberian larch timber is blessed with many natural properties which makes it low-maintenance. The high level of resin in the wood provides natural protection against rot and decay. However, there are a few things you can do to treat and care for the Siberian larch to increase its longevity.
1
Prepare the wood
Sort your lengths
Sort your lengths. Make sure you’ve set them all up. We recommend ordering 10% more to cover waste material.
2
Know your tools
USE PROFESSIONAL EQUIPMENT
Siberian larch is very hard and dense wood. Use professional equipment for best results.
3
USE QUALITY FIXINGS
Use stainless steel
We recommend using only high quality stainless steel screws to avoid corrosion and stains on the wood.
4
TREAT WITH OIL
APPLY UV PROTECTIVE OIL
OSMO wood protection offers effective multiple protection against UV rays and harsh environmental conditions.
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