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Polyurethane-Based Joint Sealant

POOL-SEAL SL7 a 1-part, elastomeric, polyurethane-based joint sealant designed for concrete and stone expansion joints. SL7 is used for caulking and sealing joints subject to concrete movement to provide a firm, flexible, weather-tight seal. Ideal for sealing joints around swimming pools, and is applicable for both interior and exterior use.


Characteristics and Advantages

  • Topping Stones included to provide attractive look
  • Prevents uncontrolled cracking by allowing expansion and contraction during temperature changes.
  • Stays flexible … won’t become brittle or crack due to ultraviolet exposure.
  • Topping Stones will not cause discoloration of seal from the sun.
  • Not affected by pool chemicals.
  • Retains joint soundness in service once it’s cured and can be stretched or compressed up to 50% without tearing away from edge (if installed ½ inch deep)
  • No Mixing = No Working Time
  • Capable of ±50% joint movement.
  • High elasticity with a tough, durable, flexible consistency.
  • Exceptional cut and tear resistance.
  • Exceptional adhesion to most substrates without priming.
  • Self-leveling consistency, easy to apply in horizontal joints.
  • Paintable with water, oil, and rubber-base paints.

Linear Ft (based 1/2in deep)