Responsible Forestry.
Quality Timber
Construction timber
Sawn timber is the general name for wood sawn on at least four sides. End-use areas are building and furniture sector. Depending on the quality of the wood, sawn timber is divided into the following quality classes:
(A1-A4), B, C, D.
In construction, spruce and pine of the maximum moisture content of 16-20%, i.e. dried wood, is primarily used. Our selection includes all most widely used cross-sections.
Approximate quality descriptions of most widely used types of saw timber:
AB (SF) – square-edged timber material, may contain some “black heart”
ABC (PF) – square-edged timber material, “black heart” and slight discoloration
C (VI) – occasionally slightly beam-edged, some “black heart” and discoloration
D (VII) – beam-edged, discoloured timber material, may contain “black heart”
SCHAAL – beam-edged timber material, may contain “black heart” and slight discoloration
SCHAAL/D – beam-edged, discoloured timber material, may contain “black heart”
ABC/W – beam-edged timber material, some “black heart” and discoloration
The most common sizes of sawn wood/lumber are (mm):
- 19×50/75/100/125/125/150/175/200
- 22×50/75/100/125/125/150/175/200
- 25×50/75/100/125/125/150/175/200
- 32×50/75/100/125/125/150/175/200
- 38×50/75/100/125/125/150/175/200
- 50×50/75/100/125/125/150/175/200
- 75×75/100/125/125/150/175/200/225/250
- 100×100/125/125/150/175/200/225/250
- 125×125/150/175/200/225/250
- 150×150/175/200/225/250
- 175×175/200/225/250
- 200×200/225/250
- 225X225
The most common length’s are (mm):
3300/3600/3900/4200/4500/4800/5100/5400/5700/6000
