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Non-woven, needle-punched polyester fleece reinforcement to enhance the strength and durability of Sikalastic RoofPro 621 TC and 624 AR roofing and waterproofing membranes

Where to Use

  • Ideal for roofing and waterproofing applications displaying complex details and geometryor when accessibility is limited
  • Suitable for applications where visibility of reinforcement overlaps is not an aesthetic concern
  • Ideal for applications where a one-day system installation is required


  • Permits wet on wet application of Sikalastic 621 TC (US) and Sikalastic 624 AR resins
  • Creates strong reinforced roofing and waterproofing membranes with enhanced elongation properties
  • Fleece thickness dictates membrane thickness
  • Reduces pinholing due to outgassing
  • Increases puncture and tear resistance


  • 600 sf per roll (not including overlaps)

Chemical Resistance

  • Not intended to be directly subjected to chemical exposure without being fully saturated with liquid resin


  • 48” w x 150’ l individually bagged rolls

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