Picea abies, tree of Pinaceae family
Coniferous soft wood, often called whitewood, is one of the most commonly used.
It is white or white/yellow in colour with clear grains, with a medium texture and regular fibre.
Average volumic mass:
490 kg per m3.
Solid-Wood Laminated Panel
three-layers
Spruce
DIMENSIONS AND TECHNICAL FEATURES
Wood species:
Austrian or Scandinavian Spruce with knots.
Panel size:
5000 x 2100 mm.
Thickness:
from 14 to 42 mm
Moisture content:
8% ± 2 at the beginning, mechanically obtained.
Gluing:
AW 100 weatherproof compliance with European Norm in force DIN 68705 (D4 compliance with DIN EN 204), without harmful substances, with a low environmental impact.
Production:
compliance with European Norm UNI EN 13017 - 1 classification by surface appearance.
Formaldehyde emission class:
in accordance with the requirements of E1 class
Calibrate / Sand:
Both sides, grain 100.
| Thickness* mm |
Grade AB/B |
Grade B/B |
|
|---|---|---|---|
| 14 | • | • | |
| 19 | • | • | |
| 22 | • | • | |
| 27 | • | • | |
| 32 | • | • | |
| 42* | • | • | |
*according to stock availability
Classifications
Grade AB:
mostly sound knots, isolated knots are dowelled, heart up to maximum 400 mm, occasional small resin pockets, slight compression wood and slight colour variation might occur, gluing without defects.
Grade B:
mostly sound knots, isolated black knots, slight discolourations and red-wood allowed, isolated small resin pockets not longer than 50 mm, isolated splits with through heart repaired for the entire length, gluing without defects.
Grade BC:
black knots and discolouration allowed, single resin pockets not longer than 50 mm, isolated splits repaired, red-wood and through heart for the entire possible length, gluing without defects, pluggings and fillings.
Grade C:
no special quality specifications.