Single-Component, Self-Leveling Polyurethane Sealant

EUCOLASTIC 1SL is a single-component, low-modulus, moisture-cure, self-leveling, polyurethane joint sealant. EUCOLASTIC 1SL is formulated to be extremely durable in dynamic joints. It provides superior wear resistance to rubber tires and pedestrians in high traffic areas.

Features & Benefits

  • Skins rapidly and is tack-free in less than 5 hours @ 75° F (24° C)
  • Remains adhesively and cohesively bonded during temperature cyclic movement
  • Extraordinary movement capability of +100% / -50%
  • Ease of application; dispense and walk away, up to a 6% slope


  • Concrete control & expansion joints
  • Sidewalks
  • Truck terminals
  • Plazas
  • Swimming pool decks
  • Interior and exterior applications

Specifications / Compliances

  • ASTM C920 Type S, Grade P, Class 50, Use T, M, A, O and I (Class 2)
  • CAN/CGSB 19.13-M87, MC-1-25-B-N


EUCOLASTIC 1SL is available in 30 oz. (887 mL) cartridges (12 per case)