Wood fibre board Underfloor density 250kg/m³

Wood fibre board FiberTherm Underfloor density 250kg/m³

Wood fibre board thin mat density 250 Kg/m³.
Fibertherm Underfloor is a thin mat of wood fibre board with optimal thermal and acoustic insulation values to be used in dry screeds and in solutions for floors and ceilings where greater acoustic insulation is needed. Ideal for traditional and elevated floors.

The Wood fibre board FiberTherm Underfloor 250 is a wood fibre thin mat with high thermal and acoustic insulation values and with which you get a high improvement of acoustics for pre-finished parquet and laminate floors up to 19 dB.

It also has a density of 250 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).


The insulating wood fibre board FiberTherm Underfloor 250 is also excellent when installed in thermal and acoustic insulation systems in parquet and / or laminated floors, below we list the main features:

• good impact sound insulation and high improvement of environmental acoustics;
• excellent insulation characteristics;
• high pressure resistance up to 20 t/m² - important for interlocking systems;
• long life thanks to the stable structure of the fibers;
• particularly open to diffusion;
• resistant to chemical solvents;
• easy and fast processing;
• leveling of irregularities up to 3 mm;
• suitable for underfloor heating systems;
• recyclable, ecological, environment-friendly;
• building material tested and authorized according to current European standards.

Available sizes

wood fibre thin board with sharp edges
Thickness Sizes mm kg/m² Pieces/pack. pack./pallet kg/pallet
3 mm 790 x 590 0,77 20 32 approx.265
4 mm 790 x 590 1,02 15 32 approx.265
5 mm 790 x 590 1,28 15 26 approx.265
7 mm 790 x 590 1,75 20 14 approx.265


Techincal characteristics

Characteristics Values
Density kg/m³ 250
Reaction to fire according to the standard EN 13501-1 E
Coefficient of thermal conductivity λD W/(m·K) 0,070
Specific heat capacity J/(kg·K) 2.100
Resistance to vapor diffusion μ 5
sd value (m) 0,02(4)/ 0,03(5) /0,04(7)
Thermal resistance RD (m²·K)/W 0,06(4)/ 0,07(5) /0,10(7)
Panels identification EN622-4SB-E1
Waste code (EAK) 030105/170201


Solution with Wood fibre board Underfloor

Dry screed with wood fibre board insulation Fibertherm Base
Dry screed with wood fibre board Base

Flooring system using wood fibre boards with high density and excellent compression resistance Fibertherm Base and cement bonded particle boards BetonWood.

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Wood fibre board Fibertherm Base under concrete screed
Wood fibre board Base and concrete screed

Flooring system using wood fibre boards Fibertherm Base with high density and high thermal insulation, concrete constructional work and cement bonded particle boards BetonWood.

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Screed with wood fibre board Fibertherm Base on corrugated metal sheet
Screed with wood fibre board on corrugated sheet

Screed system on corrugated metal sheet with high density and high compression resistance wood fibre board Fibertherm Base and a double layer of cement bonded particle boards BetonWood.

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Radiant natural screed with wood fibre board Fibertherm Base
Radiant screed with wood fibre board Base

Radiant natural screed BetonRadiant with thermal and acoustic insulation in high compression resistance wood fibre boards Fibertherm Base.

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Radiant screed with wood fibre board Fibertherm Base on wooden floors
Radiant screed with wood fibre board Base on wooden floors

Radiant natural screed BetonRadiant with thermal and acoustic insulation in high compression resistance wood fibre boards Fibertherm Base on wooden floors.

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Dry radiant screed with wood fibre board Underfloor
Dry radiant screed with wood fibre board Underfloor

Radiant floor BetonRadiant with high compression resistance acoustic insulatio in wood fibre board thin mat FiberTherm Underfloor.

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Wood fibre board dry screed Floor
Wood fibre board dry screed FiberTherm Floor

Wood fibre board dry system FiberTherm Floor, wood fibre board thin mat FiberTherm Underfloor and cement bonded particle boards BetonWood with high acoustic insulation power.

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Elevated radiant screed on loose wood fibre boards Zell and Underfloor
Elevated radiant screed on loose wood fibre boards Zell and Underfloor

Radiant screed BetonRadiant with wood fibre board Underfloor and BetonWood T&G cement bonded particle boards on loose wood fibre boards Zell.

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Elevated radiant screed with wood fibre boards Underfloor on self-leveling support
Elevated radiant screed with wood fibre boards Underfloor on support

Elevated radiant screed with Underfloor wood fibre board thin mat and BetonWood T&G cement bonded particle boards on self-leveling supports.

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Elevated radiant screed with Underfloor on supports and BetonStyr
Elevated radiant screed with Underfloor on supports and BetonStyr

Elevated radiant screed with Underfloor wood fibre board thin mat and BetonWood T&G cement bonded particle boards on self-leveling supports and BetonStyr insulating panels which are cement bonded particle boards coupled with extruded polystyrene XPS.

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