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Heaveguard Claymaster Compressible Fill

50mm, 75mm and 100mm thick sheets are in stock and readily available for same day despatch.

A compressible low density expanded polystyrene product used to protect against lateral heave movement, typically on the inside face of the external ground beams or in deep trench fill applications.

  • BBA certified
  • Meets the NHBC and LABC technical standards
  • Wide range of thickness and sheet sizes to suit application
  • Lightweight
  • Ease of installation

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Ground heave products and accessories

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