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Klober Wallint 50 Air Barrier & Vapour Control Layer - 50m x 1.5m Roll

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£168.37 Incl. VAT
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Klober’s Wallint 50 is a combined air barrier and vapour control layer. It has a vapour resistance of 250MNsg, meeting the requirements of BS9250 (Code of Practice for design of the airtightness of ceilings in pitched roofs). As even thicker layers of insulation are installed to comply with more demanding Building Regulations, so it becomes increasingly important to provide an air barrier and vapour control layer on the warm side of the insulation. Wallint 50 has been especially developed for this purpose.


Length : 50m.
Width : 1.5m.
Roll size : 75m2.
Weight : 9.5kg.
Colour : black.
Material : composite PP-spun fleece with coating.
Certification : CE certified.


  • Use in conjunction with Klober’s other airtightness products to minimise energy loss.
  • Prevents large volumes of watervapour entering a construction from the interior, particularly during the drying-out period.
  • Provides support for insulation boards or quilts.
  • Meets requirements of BS9250.


The inner face of an insulated roof.
Walls (incl timber frame) & cold and warm roof applications.
Ceilings & walls of rooms-in-theroof, and on the ceilings below nonhabitable lofts.


Permeability Air Tight

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