The following values can generally be applied for the moisture protection, preservative treatment and fire protection verifications.
Moisture content um
15 % ± 3 %
|Swelling and shrinkage ratio|
0,24% pro 1 % Water vapor diffusion resistance factor
Reaction to fire class in accordance with EN 13501-1
Recommended weight for calculation of dead-loads (including weight of fasteners and light weight connectors etc.)
Thermal conductivity λ
0,13 W / (mK)
Water vapour permeability µ
The natural durability against biological attack corresponds to the natural durability of the species of wood, regardless of the type of glue used.