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Efficient & sustainable bio-based insulation


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Home > Natural insulation

5 reasons to choose a natural insulation

5 reasons to choose a natural insulator

Considering its many advantages (efficiency, naturality,complete, eco-friendly process), the Biofib’ insulation range appears as an efficient, durable insulation solution that is both innovative and competitive.

1 - Aspirations and a tendency to environmentally responsible action

Consumers are becoming more and more sensitive to environmental aspects and the "natural" origin of the products they purchase.

Hemp as a crop is respectful with the environment:

  • It requires little water and no pesticides
  • It absorbs a large quantity of CO2 during its growth cycle
  • It makes good use of poor-quality soils
  • It plays a productive role in crop rotation
    (biodiversity, soil regeneration)

2 - Responding to new regulations, a stake in the building

This progressive approach must be collective. The new standards are intended to build a significant reduction in energy expenditure: RT2005, BBC.

3 - Search  money gains at each level

Energy savings in heating will always result in overall "savings". Good insulation means comfort and more money in your pocket!
To provide greater incentives for citizens to make the right choices for the planet, many encouraging measures have been implemented.

4 - Choose a confortable life

The combination of performance and ecology. For a healthy home, the Biofib’ hemp and Biofib’ dual insulation systems are perfectly suited to the concept of "breathing walls" implemented in "Timber" houses..

5 - A complete "eco-logical" system


1 - The hemp straw fix CO2 (via photosynthesis) during growth, thus contributing to a very low carbon footprint.
2 - Plant fibers used are from hemp produced in Vendée near the industrial site (within 100 Kms) where low CO2 emissions for transport to the factory.
3 - 2 steps "grinding" and "topping" are performed on a single site: a first in Europe.
4 - After grinding, the fibers are processed into insulating panels but no waste as all co (boon, dust) are valued in other markets (coated building, bedding, etc..).
5 - The industrial process of topping is fully automated, with a systematic quality of finished products (weight, thickness and density) where quality and guaranteed performance (technical CSTB, ACERMI Certificate No. 11/130/696) control for insulating Biofib '.
6 - Delivery is via an optimized logistics system also reduces transport costs and associated pollution.
7 - Given its thermal performance, implementation insulation Biofib 'contributes to an excellent home insulation, energy-saving source.

 Cavac Biomatériaux exclusive, involved in green business from the field to the construction site


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A whole industry is unique in Europe

By controlling the entire industry (hemp, grinding, coating, packaging and delivery on site) Biofib 'claims singularity by combining technical performance and exemplary ecological.

The complementary strengths of hemp

Hemp is one of the insulators with the lowest CO2 impact on the environment. Compared to synthetic materials,
insulation plants are "bio-based".

No dust laying

With their long fibers, insulation plant Biofib 'do not generate dust and do not cause irritation when their implementation (unlike wood fiber for example).

The "spring" effect: an exclusive Cavac Biomaterials

Insulation panels Biofib 'have a high mechanical strength which contributes to their ease of installation and maintains lasting efficiency ensuring perfect contact between the uprights, without thermal bridges.

Actor green growth

3 storage buildings Biofib industrial site in Vendée are equipped with photovoltaic panels, 6 000m ² of roof valued for producing solar energy.

Tip: opt for an interior 100% natural lime / hemp

Coatings based on lime and hemp (boon) are especially recommended interior finish, not only for their aesthetic value, but also for their ability to promote the regulation of indoor humidity.

λ - Thermal conductivity (W / mK)

Heat flow through 1 m thick of material to a temperature difference of 1 ° C between the two faces. More ? is, the more the material is insulating.

Airtightness and performance

The thermal and acoustic performance of buildings are closely related to the sealing of insulated walls, to which the vapor barrier Biofib 'Control participates, while allowing materials to breathe naturally.

R - Thermal Resistance (m2.K / W)

Ability of a material to brake the passage of the energy. It is proportional to the thickness (e) and the thermal conductivity (?) such that: R = e / ?. More R, the higher the material is insulating.

Tip: installation of vapor barrier

If the second insulation thickness does not exceed one third of the total thickness (eg 140 + 60 -> second thickness = 30%), while the vapor barrier can be placed between two layers of insulation.

U - Heat transfer coefficient (W/m2K)

Ease with which heat energy passes through the wall. It is calculated by adding the inverse of the thermal resistance of the materials constituting the wall and surface resistances. More U, the lower wall is insulating.

Ecological solution for the equalization of land

Biofib 'screed is especially recommended for dry screeds renovation for the equalization of land in poor condition or irregular.

Biofib'Isolation - Le Fief Chapitre - 85400 Sainte Gemme la Plaine - Tél. 33(0)2 51 30 98 38 - Fax 33(0) 2 51 30 98 37 Plan Google Map du site industriel BiofibPlan