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DUO-SILŽ is formulated for both interior and exterior sealant and caulk applications. Combining the high-performance features of a professional-grade product with the unbeatable convenience and versatility of more than 140 in-stock color options, the acrylic urethane emulsion sealant is specially formulated to meet a range of application needs. It has a superior bond to most building substrates and adheres to wood, metal, concrete, gypsum board, vinyl board, cove base, moldings, foam board, and more. The low VOC product is easy to apply and easy to clean up for added convenience. For interior and exterior caulk and sealant projects that require durability without compromising aesthetic results, choose DUO-SIL.

Common Interior and Exterior Uses:

  • Vinyl, cement, and aluminum
  • Windows
  • Doors
  • Moldings
  • Counter tops
  • Kitchens and baths
  • Most other areas where a colored sealant is needed


Designed for both interior and exterior sealant and caulk applications, DUO-SILŽ offers enhanced versatility and superior results. Get the right product for your project with high-performance, top-quality products from Sealants Direct.