Insulation board made from natural wood fibres BELTERMO MULTI 20

A moisture resistant insulation wood fibreboard with single-ply construction and homogeneous cross-section that is an ideal sarking board for exterior walls under facade facing or the undersides of rafters.
Composition:
Manufactured from untreated Black Forest spruce and fir
4.0 % polyurethane resin
1.0% paraffin
Applications:
– Sheathing directly over timber frame constructions, over wood sheathing and over masonry under the facing in vented facade constructions.
– Full boards install under rafters without interruption (not suitable for between rafter use)
– Suitable in 100-mm or greater thickness as additional above-rafter insulation, fastening to the rafters.
Advantages:
– Both sides suitable for exterior-faced exposure, which reduces waste
– Consistently uniform board dimensions make installation quicker and easier
– Homogeneous, single-ply construction
– Makes structures wind-tight
– Superior moisture resistance due to hydrophobic treatment
– Ideal for upgrading the thermal insulation of existing structures
– Reduces thermal bridging
– Exceptional specific heat capacity
- Maximum protection against the heat in summer
– Significantly improves soundproofing
– Regulates humidity
– Allows vapour diffusion
– Wood is a sustainable, recyclable natural resource
– Biologically safe

Thickness (mm) 20, 40, 50, 60, 100, 120, 140, 160 Length (mm) 1200,1250 Width (mm) 570, 580, 600 Bulk density (kg/m3) 140 Nominal thermal conductivity (W/mK) 0,039 Thermal conductivity comparative value (W/mK) 0,042 Nominal thermal resistance (RD) (m2K/W) 0,5 Thermal resistance ® (m2K/W) 0,48 Sd-Wert (m) 0,06 Vapour diffusion (μ) 3 Specific heat capacity (J/kgK) 2100 Compressive stress/ strength (kPa) 70 Tensile strength perpendicular to board surface (kPa) 10 Short-term water absorption (kg/m2) 2 Dynamic stiffness (MN/m) - Compressibility (mm) - Air flow resistivity (kPas/m3) 100 Fire reaction Euro Class E