Sikalastic®-390 NP is a two component, primerless, aliphatic, chemically cured, elastomeric polyurethane coating intended for use as the waterproofing base coat under polyurethane or epoxy wearing surfaces for pedestrian and vehicular traffic bearing applications, and as the waterproofing membrane under a separate wearing course such as concrete, and tile in a setting bed. Sikalastic®-390 NP can be a direct replacement for Sikalastic® 390 in all applications over suitable substrate.
- Excellent crack-bridging properties and flexibility, even at low temperatures
- Primer not required for typical applications
- Alkaline resistant
- Low odor and fast turnaround
- Impervious to water and deicing salts