Sikalastic® M 689
(former MasterSeal® 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