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DOWSIL™ 121 Structural Glazing Sealant

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

Uses:

  • Assembly, installation or repair of structurally glazed glass and other substrates

Benefits:

  • Easy-to-use, user-friendly dispensing – offering a unique 1:1 ("121") mix ratio, DOWSIL™ 121 Structural Glazing Sealant is supplied in a two-part cartridge, complete with a static mixer
  • On-site or in-shop suitability – portable for on-site structural glazing as well as in-shop structural glazing
  • Enhanced productivity – cures in just one day (24 hours) compared with 14-21 days for single-part sealants
  • Cost savings – 1:1 mix ratio eliminates the need to invest in specialized pumps and mixing equipment and related maintenance costs
  • Superior silicone performance – outperforms organic weatherseals and structural tapes
  • Service and support from a trusted source – including a full range of project management services, as well as an available 20-year Structural Adhesion Limited Warranty

Properties

These values are typical properties and are not intended for use in preparing specifications.

  • Adhesion to Yes No Alodine Aluminum, Aluminum, Anodized Aluminum, Glass
  • Appearance Yes No Opaque
  • Chemistry Yes No Neutral
  • Cure System Yes No 2-Part Cure
  • Flow Yes No NonSag
  • Movement Yes No Low
  • Resistance Type Yes No UV Resistance
  • Special Features Yes No Fast Cure, Field Repair
  • Substrate Yes No Non-porous
  • Where Used Yes No Factory, Job Site

With a fast cure and 1:1 mix ratio, DOWSIL™ 121 Structural Glazing Sealant answers the challenges facade contractors and manufacturers face with slow-curing, one-part sealants, mixing challenges of multipart sealants, and limited movement capability of tapes.

New Submittal Generator Tool
Download and organize your submittal documents. (Available in N. America)

DOWSIL™ 121 Structural Glazing Sealant
With a fast cure and 1:1 mix ratio, DOWSIL™ 121 Structural Glazing Sealant answers the challenges facade contractors and manufacturers face.

Tech Talk: Reglazing Procedure
DOWSIL™ 121 Structural Glazing Sealant Reglazing Procedure

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DOWSIL™ 121 Structural Glazing Sealant
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DOWSIL™ 121 Structural Glazing Sealant
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