Sikalastic®-680 RT 20kg


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Anti root 1-part polyurethane modified bitumen liquid applied membrane for roof waterproofing

Sikalastic®-680 RT is a 1-part, polyurethane modified bitumen, elastomeric, liquid applied membrane for roof waterproofing and other waterproofing applications. It has anti-root properties for preventing plant roots damaging the applied membrane.


Designed for the following waterproofing applications:

  • Flat and sloping roof structures 
  • External balcony and terrace decks 
  • Roof gardens 
  • Retaining walls and basements 
  • Planter boxes
  • Coating cracked non-ferrous roof valleys and flashings



  • Protects against root penetration
  • Seamless
  • Good adhesion on concrete, render and brick masonry
  • Moisture curing
  • Good elongation at break
  • Good impact resistance
  • Flexible
  • High solid content
  • Easy to apply by paint brush, trowel or roller
  • Quick drying
  • Suitable substrates: concrete, cementitious, brickwork, ceramic tiles, metal, plaster, plasterboard, wood, bituminous membranes, bitumen and asphalt.


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