Product catalog

Vapour barriers

ISOVENT Aktiv



Article Index:
ISV AK

2-layer active vapour barrier, regulating vapour permeability. Structured of polypropylene fibre layer and functional film that ensures the active flow vapour through the building structures. Isovent Aktiv is suitable for internal surfaces of attics and walls.
 

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Properties

Product features & benefits :

  • Provides controlled vapour flow rate
  • Prevents the accumulation of excess moisture between sheets of plasterboard and vapour barrier
  • Suitably adapted diffusion resistance, sd = 8m
  • Regulates level of moisture in the attic, improves living comfort

Specifications

  • Lenght                                                                                                 ≥ 50m
  • Width                                                                                                  1,5m
  • Surface mass                                                                                     ca. 90 g/m2
  • Water tightness , EN 1928                                                                 class W1
  • Vapour transmission sd-value, EN 12572                                         ca. 8 m
  • Vapour permeability,  EN 12572                                                       ca. 5-6 g/m2/24h
  • Temperature resistance                                                                    -40 / +80 oC
  • UV exposure resistance, EN 13859-1                                               3 months