Seal Bond® 435 High Performance Sealant

Seal Bond® 435 is a high-performance joint sealant for a wide range of construction applications. SB 435 delivers tough, elastic sealing performance, for joints requiring compression and extension greater than 35%. SB 435 is an environmentally friendly formula that contains no solvents or isocyanates and yields very low VOC’s. SB 435 is a low odor and 100% solids.
SB 435 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 -40o F to 200o F.

Features & Benefits


  • ASTM C920 Type S, Grade NS, Class 35 Uses NT, T, G, A, M, and O.
  • Solvent and isocyanate free
  • Non-silicone
  • Non-flammable
  • Fast curing
  • Multiple colors available
  • Permanently elastic in a broad temperature range
  • Paint compatible
  • Low odor
  • Extremely low shrinkage

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