4.5mm Swisspearl Windstopper Extreme Fibre Cement Board - 1200mm x 2400mm

4.5mm Swisspearl Windstopper Extreme Fibre Cement Board - 1200mm x 2400mm
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4.5mm Swisspearl Windstopper Extreme Fibre Cement Board - 1200mm x 2400mm
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4.5mm Swisspearl Windstopper Extreme Fibre Cement Board - 1200mm x 2400mm

Length: 1200mm
Width: 2400mm
Thickness: 4.5mm
Board coverage: 2.88m2
Density: 1300kg/m3
Weight/m2: 5.85kg
Weight: 16.85kg
Fire Rating (Reaction to Fire): A2(Limited combustibility)
Fire rating: A2

4.5mm Cembrit Windstopper Extreme is a high-performance, breathable sheathing board designed for demanding exterior wall applications. Engineered to withstand harsh weather conditions, it combines exceptional wind resistance with vapour permeability, making it ideal for use behind ventilated façades and in energy-efficient wall assemblies.

Note: formerly known as Cembrit Windstopper Extreme

CHARACTERISTICS

  • Cement-bonded fibre board with enhanced density and durability
  • Provides superior protection against wind-driven rain and air infiltration
  • Allows vapour to escape from the building interior while preventing external moisture ingress
  • Non-combustible; suitable for fire-rated constructions
  • Highly resistant to rot, mould, and fungal growth
  • Designed for extreme climates and prolonged exposure
  • Natural rough texture due to non-compressed manufacturing process
  • Can be left exposed for up to 6 months when installed according to Swisspearl guidelines

APPLICATION

  • Compatible with timber, steel, or aluminium substructures
  • Insulation may be placed directly against the inner face of the board
  • No surface treatment required during temporary exposure
  • Supports airtight and energy-efficient building envelopes
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