Seal Bond®490 Liquid Flashing

Seal Bond® 490 is a professional grade liquid flashing for sealing roof penetrations, metal roof seams, gutters and other building envelope applications. SB 490 is a one-part formulation with semi-self-leveling properties for both horizontal and vertical application. SB 490 is based on moisture cure hybrid polymer technology that reacts and cross-links in the presence of moisture to provide a durable seal with excellent weathering and UV resistance and performs in temperatures from -40° F to 200° F.

Features & Benefits


  • Fast skinover – low dirt pickup
  • Solvent and isocyanate free
  • Non-silicone
  • Non-flammable
  • Multiple colors available
  • Permanently elastic in a broad temperature range
  • Paint compatible
  • Low odor
  • Extremely low shrinkage

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