Monarperm 700

Monarperm 700

Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type


0.65 mm thick vapour permeable underlay.

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A breathable polypropylene pitched roof underlay used to reduce wind load on slates and tiles, and to provide a secondary water-shedding layer against wind-driven rain or snow and has been designed specifically to meet the performance requirements for a pitched roof underlay.

It is manufactured by laminating a plastic film between two polypropylene fabric layers to form a breathable waterproof membrane. Combines excellent tensile strength characteristics with high puncture and nail tear resistance. It is also are resistant to UV light degradation, but is not designed to be left exposed for long periods and must be covered as soon as possible.

General information


1 x 50 m or 1.5 x 50 m rolls

Uniclass 2015

Pr_25_57_10_94 Vapour permeable sheetsPrimary


H60/10 Vertical tiling

H60/105 Clay roof tiling

H60/110 Clay roof tiling with counterbattens

H60/120 Concrete roof tiling

H60/125 Concrete roof tiling with counterbattens

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Specification data - Vapour permeable sheets Enhanced data

Product Reference

Monarperm 700


Not required

Monarperm Monotape

Standard product features


1 x 50 m or 1.5 x 50 m rolls.


0.65 mm.


Blue upper surface with anthracite underside.

Technical properties:

  • Hydrostatic head of water: 7.31 m.
  • Water vapour permeability: 1196 g/m².
  • Water vapour resistance: 0.17 MNs/g.

Third party certifications
  • 02/3932
  • IAB: 03/0194
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