BOSS® 535 Multi-Purpose Polyurethane Sealant

A high quality, elastic, 1-component, professional grade sealant based on Polyurethane. It is easy to apply and offers good weather and UV resistance. It remains elastic after curing and does not bubble in high temperatures or humidity. It is perfect for high movement or expansion joints.

  • Very good adhesion to most substrates
  • 50% Movement
  • Qualifies for LEED credits
  • Good UV Resistance and color stability
  • Long life reliability
  • Interior & exterior uses
  • Paintable with most paint systems
  • Non-yellowing and not staining

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