DOWSIL : 121

Dow Corning® 121 Structural Glazing Sealant

Fast-curing structural silicone sealant for use in structural and weatherseal applications.


  • Repair and/or replacement of structurally glazed glass and other substrates where a fast cure is required
  • On-site structural glazing, including storefront systems
  • Attachment of panel stiffeners where quick cure is required
  • In-shop structural glazing where the use of a two-part pump is not viable


Specification Writers: These values are not intended for use in preparing specifications. Please contact your local Dow Corning sales representative prior to writing specifications on this product.