• Over 6000 productsOver 6000 products
  • Next Day Delivery on orders confirmed before 2pmNext Day Delivery on orders confirmed before 2pm
  • 8 depots for national coverage8 depots for national coverage
Product Information
Technical Datasheet
Safety Datasheet

Sikalastic®-841 ST is a two part, elastic, 100% solids, very fast curing and coloured pure polyurea liquid applied membrane with good chemical resistance.

  • Uses:
    Sikalastic®-841 ST may only be used by experiencedprofessionals.
    On concrete
  • Bridge deck Waterproofing membrane
  •  Abrasion resistant protective coating in industrial and manufacturing facilities
  •  Waterproofing for cut and cover structures
  •  Waterproofing for submersed structures
  •  Waterproofing on walkways and balconies
  •  Waterproofing on floors and car park decks
  •  Water retaining structures in power plants
  •  Secondary containment structures
  •  Tank, bund and pit lining in sewage and waste water treatment plants


  •  Very fast reactivity and curing time
  •  Almost immediate return-to-service time
  •  Applicable in temperatures from +1°C to +50°C
  •  Performs in constant dry temperatures from -30°C to +100°C
  •  Excellent crack bridging properties
  •  Good chemical resistance
  •  Excellent abrasion resistance
  •  UV light exposure may lead to yellowing and chalking
  •  Not resistant to biogenic sulphuric acid