Fiber Wood Insulation Special 240kg/m³

Fiber Wood Insulation FiberTherm Special density 240kg/m³

Fiber Wood Insulation with density 240 Kg/m³.
Fibertherm Special is a fiber wood panel for thermal and acoustic insulation on the outside of flat or pitched roofs, resistant to wind and humidity and with an high density. Ideal for roof insulation in wooden buildings, but also in renovations and new traditional buildings.

Fiber Wood Insulation FiberTherm Special 240: the roof, due to its large surface tends to lose a lot of thermal energy. As a result, potential savings in restructuring are also lost. But what if the attic is already developed and inhabited? At BetonWood we offer the FiberTherm special solution, a rigid wood-fiber insulating panel that can be placed directly from the outside on the beams.

Ideally, the area must first be insulated between the beams, for example with FiberTherm Flex 60, the flexible insulating fiber wood system. Often, only the old construction beams are too small to make modern insulation systems. With the FiberTherm special dry fiber wood it is possible to provide the additional insulation required above the beams. The living space under the roof is not compromised. Density equal to 240 kg/m³.

The material is also recyclable, it is certified and made exclusively with wood from controlled forests in compliance with the FSC guidelines (Forest Stewardship Declaration).


To repair the external part of the roof, it is necessary to ensure the protection from the weather for the underlying surface as soon as possible.
The panel profile FiberTherm Special 240 guarantees wind resistance, suitability and drainage of water, without further joints for roofs with at least 16° inclinations.
FiberTherm special protects from the weather on the installation day.


The insulating fiber wood panel FiberTherm special 240 is an excellent thermal and acoustic insulation for new roof and renovations. This type of fiber wood has the following characteristics:

• insulation insulation panel for further insulation above the beams;
3 advantages: wind protection, weather protection, thermal insulation;
• reduce the thermal bridges;
• protects from hail;
• high resistance to summer heat and good sound insulation;
• greater structural security in the field of restructuring;
• panel typologies: UPD-A for pitched roof with ≥18° inclination. Also suitable as a temporary cover;
• tested dermatologically; without any negative effect on the skin;
• comprovata qualità di lunga durata;
• recyclable, ecologic, environment-friendly;
• building material tested and authorized according to current European standards.

• Very good thermal conductivity: FiberTherm special provides an excellent insulating value. The value of thermal conductivity λ is equal to 0,046 [W/(m·K)].
So, with FiberTherm Special 240 is possible to obtain an excellent thermal insulation applied also on particularly thin roof structures.

• safety protection from atmospheric agents: special tongue&groove profile of fiber wood panels FiberTherm Special dry has a specially developed geometry for easy installation and long life. The roof is well protected from rain and wind.

• Ecologic quality: BetonWood has developed a great experience in the production and use of fiber wood insulation materials. Independent certifications, such as the FSC label, have the function to confirm this quality.


Available sizes

fiber wood panels with sharp edges
Thickness Size mm kg/m² Pan./pallet m²/pallet kg/pallet
60 mm 1880 x 600 14,01 36 38,4 approx.620
80 mm 1880 x 600 18,44 28 29,9 approx.620
100 mm 1880 x 600 22,81 22 23,5 approx.620
120 mm 1880 x 600 27,21 18 19,2 approx.620


Technical characteristics

Characteristics Values
Density kg/m³ 240
Fire reaction according to EN 13501-1 E
Coefficient of thermal conductivity λD W/(m∗K) 0,046
Specific heat J/(kg∗K) 2.100
Resistance to vapor diffusion μ 5
sd values (m) 0,3 (60)/ 0,4(80) /0,5(100)
0,6(120)/ 0,10(19)
Thermal resistance RD (m²·K)/W 1,30 (60)/ 1,70(80) /2,15(100)
2,60(120)/ 0,38(19)
Compression stress
to 10% of distortion (N/mm²)
0,10
Compression resistance (kPa) 100
Tensile resistance (kPa) ≥10
Specific resistance
to airflow [(kPa·s)/m²]
≥100
Panels identification WF-EN13171-T4
CS(10/Y)70-TR7,5-WS1,0
Waste code (EAK) 030105/170201


Solution with Fiber Wood Insulation Special

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Ventilated roof with fiber wood Isorel, Special and cement bonded particle boards on matchboarding
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Ventilated roof with fiber wood Special and cement bonded particle boards on concrete
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Ventilated roof with fiber wood Isorel, Special and cement bonded particle boards on concrete
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Ventilated roof with fiber wood Special and cement bonded particle boards on concrete
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Ventilated roof with fiber wood Isorel and Special on concrete
Ventilated roof with fiber wood Isorel and Special on concrete

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Ventilated roof with fiber wood Isorel, Special and cement bonded particle boards on concrete
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High thermal displacement ventilated roof system with wood beams and high density fiber wood FiberTherm Isorel, Special with excellent thermal insulation power and cement bonded particle boards on concrete support.

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Ventilated roof with fiber wood Special and cement bonded particle boards on terracotta tiles
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Ventilated roof with fiber wood Isorel and Special on terracotta tiles
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Ventilated roof with fiber wood Isorel, Special and cement bonded particle boards on terracotta tiles
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