Type: Softwood
Source: Scandinavia
OVERVIEW
Treated Softwood from Scandinavia is a very popular species for timber
cladding and is used for internal and external cladding projects. Treated
Softwood works well with both hand and machine tools. Its colour is pale
yellowish-brown to reddish-brown. For its weight, the timber is strong.
Suitability of Profiles
Wide choice of standard profiles.
| Profile | Cladding Joint | Horizontal | Diagonal | Vertical | Thickness |
|---|---|---|---|---|---|
| Tongue & Groove | Closed | Yes | Yes | Yes | 20mm min. |
| Rectangular | Closed | No | No | Yes | 16-25mm+ |
| Feather Edge | Closed | Yes | No | No | 9mm x 16-15mm |
| Shiplap | Closed | Yes | No | Yes | 18mm |
| Parallelogram | Open | Yes | No | No | 16-25mm+ (up to 50mm) |
DURABILITY
| Desired service life (years) | |||
|---|---|---|---|
| Natural durability class | Need for treatment/modification | Occasionally wet | Frequently wet |
| 1 (Very durable) | Suitable without treatment | >60 | 60 |
| 2 (Durable) | Suitable without treatment | 60 | 30 |
| 3 (Moderately durable) | Suitable without treatment except for tall or exposed buildings | 30 | 15 (untreated) |
| 4 (Slightly durable) | Treatment required | 15-30 years treated | 15-30 years treated |
| 5 (Not durable) | Treatment required | 15-30 years treated | 15-30 years treated |
| Common Name | Natural Durability Class BSEN350:2:1994 | Sapwood Treatability | Movement | Strength |
|---|---|---|---|---|
| Treated Softwood (European) | 4 | Resistant | Small | Medium |
TREATMENTS & FINISHING
- Easy to work with both hand and machine tools.
SPECIFY
If you have decided that Timber Cladding is going to be one of the materials on your project the next step is to create a specification that will meet the criteria and expectations you, and your client have.
We offer installation guidance, detailing guidance based on TRADA documentation, with a wealth of knowledge and information on how different timbers will perform over the life span of your project.
Considerations that should be made when it comes to weather, along with how elevation and design variations can impact timber cladding.