Sikalastic® M 689

(former MSeal M 689)

A highly elastic, ultra-fast curing, spray applied 100 % polyurea membrane for use in waterproofing applications

Sikalastic® M 689 is a 2- part, solvent-free, pure polyurea, hot spray applied, elastic, very fast curing, waterproofing and protection membrane. The fast curing allows an immediate return-to-service time and the spray application allows fast coverage of the substrate.

  • Low emission (conform to AgBB)
  • Low viscosity
  • Excellent bond to substrate
  • High moisture tolerance
  • ultra-fast curing
  • Monolothic membrane
  • Excellent chemical resistance
  • Waterproof and resistant to standing water
  • Fully bonded to substrate
  • High water vapour permeability
  • High resistance to carbon dioxide diffusion
  • High abrasion and impact resistance
  • High elasticity and crack bridging capability
  • Thermoset – does not soften at high temperatures