Eucolastic 1SL

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.


  • 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


Click HERE for the Technical Data Sheet

Click HERE for the Material Safety Data Sheet

For more information on these and other Euclid Chemical products 
contact your local Williams dealer.

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