Product made from cork granules with a very specific, pre-determined dimension and volume, with the action of pressure, temperature and glues (syntetic polyurethane resin), all together. The mix is measured and placed in molds to make cylinders, by the action of pressure. Then, they are placed in the furnace with a temperature of 150 ºC, to reweave. After the repousse, the cylinders are stabilized and laminated in the various thicknesses.
Cork can be used for any type of insulation: it is resistant, not afraid of moisture and effectively contributes to summer comfort. On the other hand, its high price and fire resistance require special vigilance during installation.
Dąb korkowy ma szczególnie rozwiniętą suber (= korę), jego łacińska nazwa jest również bardzo wyraźna: Quercus suber. Jego kora jest zbierana co 8 do 10 lat, w sposób zrównoważony, do produkcji korków, dekoracji i… izolacji! W swojej rozszerzonej formie jest najczęściej używany we Francji; Granulki korka są podgrzewane parą wodną do temperatury 300°C, podwajają swój rozmiar i aglomerują pod wpływem naturalnego działania jego żywicy, suberyny.
Special feature: It is the only rot-proof insulation of biological origin, it can then be used to insulate basements, under screeds, basements ... without fear of destruction.
Packaging: Expanded cork boards should be used to insulate a cellar buried outside. The panels will be laid over the foundations and partially covered with backfill and in some cases screed and decking tiles. Note the position of the sealing foil on the buried part of the plug. The rest of the panel will be covered with plaster.
Thickness: In the case of this type of insulation, the minimum thermal resistance of the walls should be maintained, which is 3.7 m².K/W, which corresponds to a thickness of 15 cm.
Comfort: It is very interesting to insulate buried cellars with cork. Indeed, this solution allows us to deal with thermal bridges with an insulator that is not afraid of moisture and is very stable over time. Then we will gain thermal comfort in the house at a limited cost at the junction of the floor with the walls.
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