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Weather Defence – The weather-resistant external sheathing board

Weather Defence is the water, weather and mould resistant external sheathing board designed to provide superior weather protection

Weather Defence is a revolutionary new gypsum based sheathing board, faced with a water resistant material. It is strong, easy to cut, lightweight & highly moisture & fire resistant. Weather Defence is a faster way to a weather tight building compares to traditional sheathing boards 

  • Fully A1 non-combustible
  • Responsibly sourced & eligible for BREEAM credits
  • Achieves outstanding air tightness
  • Can be left exposed for up to 12 months on site
  • BS EN 15283 type GM-H1, GM-1 & GM-F compliant
Weather Defence – Weather-resistant external sheathing board