STRATEC® II is a versatile and resistant synthetic very highly breathable screen (vapour permeable) used as roof tile underlay in ventilated or non-ventilated slated pitched roof.


 STRATEC® II will prevent the ingress of wind- blown rain, dust or snow andis also used as rain barrier (underlay for walls).

- high permeability to water vapor (HPV),
- versatile,
- high resistance to tearing,
- can be used as rain- barrier,
- maximum spacing between rafters: 60 cm,
- ranking W1,
- installation of battens or direct contact with the insulation allowed,
- color: "zinc" .


On rafters with corrosion - resistant staples or galvanized clout nails as appropriate. Either secured to the support with counter battens at least 12 mm thick to create a drainage and vapour dispersal space between the product and the tiles. May be used over sarking boards of softwood and either with continuous insulation or insulation placed between the rafters.

  • Maximum rafter spacing: 60 cm.
  • Minimum overlaps : 10 cm or 20 cm


- Roll dimensions: 50 m x 1,50 m (75 m²)
- Roll weight: 11.50 kg
- Colour: light grey anti slip upperface, white anti slip underface for an easier application
- Storage: Upright on pallet with plastic wrapping, protected against moisture


STRATEC® II complies with EN 13859-1 and EN 13859-2 with the CE marking.

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