DUO-SIL ULTRAŽ is specifically designed to meet the needs of the professional contractor. It is a superior, all-purpose adhesive and sealant combining enhanced ease of application with long-term performance. Duo-Sil UltraŽ can be applied form 0° to 140°F, on wet, damp, or dry surfaces and is ready to paint in one hour after application. Duo-Sil UltraŽ is formulated to withstand the harshest weather conditions from extreme cold to driving rain to hot and humid conditions. It will never shrink, crack, or peel and has a low VOC formulation containing no isocyanates or solvents.

Currently available in White only.

  • Enhanced ease of application
  • Two-Piece plastic cartridge will not deteriorate when exposed to the elements
  • Detachable nozzle for repeated use and increased efficiency
  • Can be applied in extreme temperature ranges 0°F to 140°F
  • Superior adhesion and sealing
  • Waterproof
  • LOW VOC formula
  • Can be applied to dry, damp or wet surfaces
  • No water washout
  • No odor
  • Paintable in 1 hour
  • Does not shrink or crack or peel


The versatility, convenience, and high-performance formula make DUO-SIL ULTRAŽ paintable caulk ideal for various interior and exterior applications. This innovative product is not sold in stores but is available to you through Sealants Direct. 

Learn More about DUO-SIL UltraTechnical Data SheetMaterial Safety Data