Larch timber in New Zealand serves several purposes. Its natural durability makes it ideal for outdoor applications such as decking, cladding, and fencing, withstanding the elements effectively. Larch’s strength and aesthetic appeal contribute to its use in construction, crafting beams and posts. It finds its way into interior design as well, creating visually appealing ceilings and wall panels. Larch timber’s versatility and resilience make it a valuable choice for a range of projects around the country.
Uses
- Framing
- Decorative interior uses
Selection factors
- Pre-drilling for nailing may be necessary
- Machining may be difficult because of knots
- Slightly corrosive to steel nails
- May not accept finishes well over hard growth rings
| Common names | Larch – Western |
| Species | Larix decidua |
| General description | – Heartwood is yellow/brown – Sapwood is pale brown – Fine uneven texture – Straight grained – Prominent ring growth with small tight knots – Softwood |
| Origin | Europe |
| Sustainability | Some plantation-grown timber available in New Zealand |
| Availability | In small quantities |
| Durability & treatment | New Zealand-grown timber has low durability and is difficult to treat |
| Drying | Easy |
Technical Specs
| Physical Characteristics | ||
|---|---|---|
| Shrinkage | Tangential | 5% |
| Radial | 2% | |
| Strength group | Unseasoned | S5 |
| Seasoned | SD6 | |
| Density | 560 kg/m3 | |
| Hardness | NDA | |
| Durability Class | Low |