DOWSIL 121 Structural Glazing Sealant is ideal for assembly, installation or repair of structurally glazed glass and other substrates, featuring:

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