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XIAMETER® Silicones Simplified - from Dow Corning

XIAMETER® Brand Alkoxy Sealants

XIAMETER alkoxy sealants are one-part, room-temperature vulcanizing (RTV) silicone sealants suitable for a wide range of applications.

Features And Benefits

  • Ready-to-use, one-component sealant
  • Can be used in geographic regions where use of oxime sealants is restricted
  • Low odor
  • Neutral cure enables use on sensitive substrates


Typical Uses

  • General purpose sealing and bonding
  • Weathersealing
    Space-filling rubber adhesive
  • Formed-in-place gaskets
  • Caulking and sealing window and door frames, siding, trim, skylights, gutters, vents and pipes


  • Condensation cure occurs at room temperature upon exposure to moisture in air
  • Alkoxy cure chemistry produces a neutral byproduct, typically an alkyl or methyl alcohol

Help Your Customers Get The Most Out Of XIAMETER Sealants

Proper use and preparation are key to long-lasting sealing performance. Learn tips and techniques to maximize sealant performance.


Additional Options

For high-performance alkoxy silicone sealants, look to Dow Corning® brand silicone building sealants and structural glazing sealants. Discover the exciting possibilities of Silicones in the Construction Industry (PDF: 89 KB). Visit dowcorning.com/construction to find construction sealant product and service information.

We believe these are accurate descriptions of the typical uses for XIAMETER sealants, but it is your responsibility to thoroughly test products in your specific applications to determine performance, efficacy and safety.

Fascinating Silicone

Learn more about silicone applications, materials, and chemistry at the Fascinating Silicone Discovery Center.