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140 kg/m³ · λD 0.041 W/mK

Naturheld 140 – wood fibre board 140 kg/m³

Universal board for sarking, facades, floors and roofs.

What is naturheld 140

One board for many applications: it combines good thermal insulation with sufficient rigidity. The tongue and groove boards from 60 to 180 mm are tested as a rain-tight sarking board (UDP-A to ZVDH) at pitches from 15°.

Applications

  • Sarking board above the rafters (UDP-A)
  • Rendered facade on timber constructions
  • Ventilated facades
  • Internal insulation
  • Floor insulation under wet screed
  • Flat roofs

Areas of application to DIN 4108-10

DAD · Roof, outside, under the roof coveringDAA-ds · Roof, outside, under waterproofingDI · Roof/ceiling, insideDEO-ds · Under screed (no acoustic requirements)WAB-ds · Wall, outside, behind claddingWAP · Wall, outside, under renderWI · Wall, insideWH · Timber frame and panel wallsWZ · Cavity wallDZ · Between the rafters

Installation instructions

naturheld 140
DesignationWF-EN 13171-T5-CS(10/Y)100-TR20-DS(70,-)3-AFr60-WS1,0-MU3
Density140 kg/m³
Thermal conductivity λD0.041 W/(mK)
Design thermal conductivity λB (DE)0.043 W/(mK)
Reaction to fire class (EN 13501-1)E
Building material class (DIN 4102-1)B2
Compressive strength at 10 % deformation≥ 100 kPa
Tensile strength perpendicular to the faces≥ 20 kPa
Factor μ3
Specific heat capacity2100 J/(kgK)
CompositionWood fibres, PMDI binder, paraffin
Example from the generator: roof section with its layers, U-value, temperature and dew point, and the condensation check
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  • Dew point and condensation check
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Prices

Prices are ex warehouse in Bulgaria, including VAT. An extra charge may apply to orders under €10,000 excl. VAT. Valid for 10.2026.

ThicknessFormat, mmn+f€/m² incl. VAT€/board incl. VAT€/m² excl. VAT
60 mm1880×615yes€27.46€31.74€22.88
80 mm1880×615yes€36.80€42.55€30.67
100 mm1880×615yes€46.25€53.47€38.54
120 mm1880×615yes€55.81€64.52€46.51
140 mm1880×615yes€64.40€74.46€53.67
160 mm1880×615yes€73.61€85.10€61.34
180 mm1880×615yes€83.71€96.79€69.76
200 mm1880×615yes€95.26€110.14€79.38
220 mm1880×615yes€101.75€117.64€84.79
40 mm1250×600—€18.80€14.10€15.67
60 mm1250×600—€28.06€21.05€23.38
INSTALL 50 mm2635×1250—€24.80€81.70€20.67

Sizes and packaging

Format 1880×615 mm (tongue and groove)

ThicknessCover area / pcpcs/palletm²/pallet
60 mm1856 × 591 mm · 1.097 m²3843.94
80 mm1856 × 591 mm · 1.097 m²2832.37
100 mm1856 × 591 mm · 1.097 m²2225.44
120 mm1856 × 591 mm · 1.097 m²1820.81
140 mm1856 × 591 mm · 1.097 m²1618.50
160 mm1856 × 591 mm · 1.097 m²1416.19
180 mm1856 × 591 mm · 1.097 m²1213.87
200 mm1856 × 591 mm · 1.097 m²1011.56
220 mm1856 × 591 mm · 1.097 m²1011.56

Format 1250×600 mm

ThicknessCover area / pcpcs/palletm²/pallet
40 mm0.750 m²5642.00
60 mm0.750 m²3828.50

Format 2635×1250 mm

ThicknessCover area / pcpcs/palletm²/pallet
50 mm3.294 m²on request—

Related products

110 kg/m³

naturheld 110

Universal board for rendered facades, internal insulation and roofs — the best lambda value among the rigid boards.

180 kg/m³

naturheld 180

A robust board for sarking and facades — up to 12 weeks of outdoor exposure, large formats for prefabrication.

220 kg/m³

naturheld 220

A thin and very strong board for sarking, as a base for screed and as a render carrier.

A quote for naturheld 140

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