The raw material for cotton insulation are cotton fibers, the improvement of performance in case of fire (class B2 and B1 to DIN 4102) and for resistance be treated against mildew and pest infestation with borate compounds. Cotton insulation materials have good heat and sound insulation properties, they are rot-proof and can even be composted as a function of the boron compounds used.
Commercial insulating mats, in addition to sound-deaden and also bulk and so-called Dämmzöpfe available, which are all distinguished by easy processing properties. Cotton can be used in wood frame exterior walls as insulation between the rafters, bearing insulation on the suspended ceiling systems, insulation of lightweight partition walls, sound insulation, cavity insulation of partition ceilings, floor-interior-side external wall cladding and wall insulation.
The physical properties of cotton fibers, such as moisture management, and diffusion capabilities, the indoor environment is positively influenced.
are as raw, untreated chemical and pesticide residues examined cotton fibers used are cotton fiber insulation classified as biologically and ecologically advisable.
Building physical and economic data
| density 20-60 kg / m 3 | |
| Baustoffklasse | B 1 or B 2 |
| thermal conductivity l R | 0.04 W / (mK) |
| water vapor diffusion resistance factor m | 1-2 |
| material price for 10 cm | about 30, - DM / m² |
| material price to achieve a k value of 0.4 W / (m² K) | about 30, - DM / m² |
applications
| outer wall | infill of timber stands |
| roof | insulation between rafters |
| solid ceiling | - |
| perimeter insulation | - |
| wall / ceiling with lightweight construction | infill of uprights and beams |
source: enius.de
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