Fiber Wood Insulation Flex 50kg/m³

Flexible Fiber Wood FiberTherm Flex 50kg/m³

Flexible fiber wood panel density 50 Kg/m³.
The fiber woods FiberTherm Flex 50 are flexible panels with a reduced density and a very low thermal conductivity, suitable for compression and ideal to insulate roofs, walls, cavities and intermediate floors in a completely natural way.

The fiber wood panel FiberTherm Flex 50 is a flexible insulator, suitable for compression and ideal for insulating roofs, walls and intermediate floors in a completely natural way. FiberTherm Flex 50 has all the advantages of a natural material such as wood and is also breathable and hygroscopic, allowing the realization of isolated environments with high living comfort, where there is a natural regulation of internal humidity.

The fiber wood flexible panel FiberTherm Flex 50 contributes considerably to improving the quality of life, both for the thermal comfort it is able to guarantee, and for the sustainability of this material. The product uses an exceptionally high proportion of renewable raw materials; its production and its installation generate very few substances harmful. In fact the only raw material used is a wood coming from thinning and untreated sawmill cuts. No binders containing formaldehyde nor PMDI are used during its production. The material is also guaranteed by constant checks carried out by external bodies, which attest to its high quality.

With FiberTherm Flex 50 it is possible to contribute considerably to the improvement of the quality of life within the walls of the house, because its characteristics of perfect insulation guarantee comfort and warmth to the indoor environment during the winter. Excellent structural thermal insulation is obtained and the building is provided with the required insulating protection at the level of walls, floors and roof. Thanks to its low thermal conductivity and its high thermal resistance, FiberTherm Flex 50 protects your living environments even from the summer heat. The low density, approximately 50 kg/m³ and the high specific heat, 2100 J/kgK (more than double the mineral wool), prevent heat from entering even during the hottest days. In this way you can enjoy a pleasant sleep, even under the roof.

The fiber wood insulating panel FiberTherm Flex 50 is excellent also as acoustic insulation.

• ductile insulation panel, suitable for compression;
• tested dermatologically, with no negative effect on the skin;
• easy installation;
• adapts easily to the shapes of the profiles, thanks to its high compression capacity;
• excellent insulating properties, both in summer and in winter;
• breathable, favors a comfortable and healthy environment;
• recyclable, ecologic, environment-friendly;
• building material tested and authorized according to current European standards.

The fiber wood insulating FiberTherm Flex 50 panel is suitable for any type of thermal and acoustic insulation which requires the use of a flexible material, such as:

• insulation of cavities in partition walls, floors and beams;
• insulation of beams under main supporting structures;
• insulation that requires a material that adapts to the shapes of the profiles, especially for curved and non-rectilinear surfaces;
• insulation between rafters, or between beams for floors;
• ceilings insulation.


The fiber wood panels FiberTherm Flex 50 are characterized by:

• effective protection against the summer heat thanks to the remarkable intrinsic insulating properties;
• opening to the diffusion of water vapor that contributes to the realization of transpiring buildings;
• high capacity for absorbing ambient humidity, a natural hygrometric regulator system;
• quality assurance, thanks to continuous checks and tests carried out according to current European standards.

Suitable sizes

Thickness Size mm kg/m² Panels/Pack Packs/pallet m²/pallet kg/pallet
20 mm 1220 x 575 1,00 24 10 168,4 approx.186
30 mm 1220 x 575 1,50 16 10 112,2 approx.186
40 mm 1220 x 575 2,00 10 12 84,2 approx.186
50 mm 1220 x 575 2,50 9 10 63,1 approx.186
60 mm 1220 x 575 3,00 8 10 56,1 approx.186
80 mm 1220 x 575 4,00 6 10 42,1 approx.170
100 mm 1220 x 575 5,00 4 12 33,7 approx.170
120 mm 1220 x 575 6,00 4 10 28,1 approx.175
140 mm 1220 x 575 7,00 4 8 22,4 approx.160
160 mm 1220 x 575 8,00 3 10 21,0 approx.170
180 mm 1220 x 575 9,00 3 8 16,8 approx.190
200 mm 1220 x 575 10,00 2 12 16,8 approx.200
220 mm 1220 x 575 11,00 2 10 14,0 approx.170
240 mm 1220 x 575 12,00 2 10 14,0 approx.175


Technical characteristics

Characteristics Values
Density kg/m³ 50
Fire reaction according to EN 13501-1 E
Coefficient of thermal conductivity λD W/(m∗K) 0,038
Specific heat J/(kg∗K) 2.100
Resistance to vapor diffusion μ 1÷2
Hydraulic resistance relative to the length (kPa·s)/m² ≥5
Thermal resistance RD (m²·K)/W 0,50(20) / 0,75 (30) / 1,05 (40)
/1,30(50) / 1,55(60) / 2,10(80)
/ 2,60(100) / 3,15 (120) / 3,65 (140)
/4,20 (160) / 4,70 (180) / 5,25 (200)
/5,75 (220) / 6,30(240)
Manufacture controlled according to the standard EN 13171
Identification code WF - EN 13171 - T3 - TR1 - AF5
Waste code (EAK) 030105/170201


Solutions with Flexible fiber wood Flex 50

Dry screed with flexible fiber wood insulation
Dry screed with fiber wood Flex

Floor system in flexible fiber wood panels FiberTherm Flex installed between reinforcement elements in a floor with tiles and hollow flooring blocks.

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Counterwall insulation in flexible fiber wood Flex on wood
Counterwall in insulating fiber wood on wooden structure

Internal thermal insulation wall system with BetonWood cement bonded particle boards filled with flexible insulating fiber wood FiberTherm Flex on wooden structures.

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Counterwall insulation in flexible fiber wood Flex on masonry
Counterwall in insulating fiber wood on masonry

Internal thermal insulation wall system with BetonWood cement bonded particle boards filled with flexible insulating fiber wood FiberTherm Flex on masonry.

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Partition wall insulation in fiber wood
Partition wall insulation in fiber wood

Insulation system for partition and internal walls with BetonWood cement bonded particle boards filled with flexible insulating fiber wood FiberTherm Flex on wooden or metal structure.

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Ceiling insulation with flexible fiber wood
Ceiling insulation with flexible fiber wood

Ceiling insulation made by flexible fiber wood panels FiberTherm Flex installed on a metal frame covered with sheetrock.

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