DOWSIL™ 121 Structural Glazing Sealant

Overview

DOWSIL™ 121 Structural Glazing Sealant is a neutral-cure, RTV silicone sealant ideal for repair or replacement of structurally glazed glass and other substrates. It is equally suitable for on-site structural glazing – including storefront systems or attachment of panel stiffeners – as it is for in-shop structural glazing.

Features

• Easy-to-use, 1:1 mix ratio for simplified dispensing
• Fast, 24-hour cure• Available in black and gray, 400 ml (2 x 200 ml)/13.5 fl. oz. (2 x 6.8 fl. oz.) cartridges
• Suitable for structural glazing and weathersealing1
• Provides primerless adhesion to glass, alodine and anodized aluminum2
• Adheres to DOWSIL™ structural sealants for reglazing applications
• Achieves adhesion and structural strength in 24 to 48 hours3
• 20-year Structural Adhesion Limited Warranty available

Application

Fast-curing, two-part, neutral-cure, RTV silicone sealant for use in structural and weatherseal applications, including repair or replacement of structurally glazed glass and other substrates