CRL 999ABRZ Bronze Dow Corning 999-A Silicone Glazing Sealant

CRL 999ABRZ Bronze Dow Corning 999-A Silicone Glazing Sealant

CRL 999ABRZ Bronze Dow Corning 999-A Silicone Building and Glazing Sealant offers exceptional performance for a variety of construction applications. This one-part, acetic cure silicone sealant cures in the presence of atmospheric moisture, creating a durable and flexible seal ideal for wet glazing and curtainwall systems. Whether it’s conventional glazing of glass and plastic, sealing curtainwall projections, or replacement glazing, this sealant provides reliable adhesion and weather resistance. Designed for building construction, the CRL 999-A is particularly effective for glazing butt and lap shear joints, as well as sealing glass, plastic, and metal assemblies. It meets or exceeds key industry specifications, including Federal Specifications TT-S-001543A and ASTM C-920, ensuring its high-quality performance. Packaged in a convenient 10.3 oz. cartridge, the sealant comes in a sophisticated bronze finish, blending seamlessly with architectural designs. With a shelf life of 30 months, it’s an ideal choice for both professional builders and knowledgeable homeowners. However, it is important to note that the CRL 999-A is not intended for structural glazing or masonry applications. For those seeking a dependable and versatile sealant, the CRL 999ABRZ is an outstanding option.

Bronze Dow Corning 999-A Silicone Building and Glazing Sealant

• General Purpose Silicone Glazing Sealant
• Easily Applied One-Part, High-Modulus Formula
• Sealant Estimator Chart

CRL Dow Corning 999-A is a one-part acetic cure silicone sealant that cures in the presence of atmospheric moisture to produce a durable and flexible wet glazing and curtainwall seal. It is designed for conventional glazing of glass and plastic, curtainwall sealing, solar panels, and replacement glazing.


Basic Uses
Dow Corning 999-A is intended for building construction applications, and is particularly effective for glazing butt and lap shear joints, sealing curtainwall projections, glass, plastic, and metal assemblies. It is also appropriate for general construction applications.

Technical Data
It meets or exceeds the following specification standards: Federal Specifications TT-S-001543A (COM-NBS) Class A for silicone building sealants, and TT-S-00230C (COM-NBS) Class A for one component building sealants; ASTM C-920; Canadian Specification CAN2-19.13-M82.

Limitations
Dow Corning 999-A Building and Glazing Sealant is not intended for structural glazing, or for use on masonry. Check cartridge label and Specification Data Sheet for additional limitations.

Comparable Sealants
CRL: 33S. Dap: 100% Silicone. Dow Corning®: 786; 732; 700; Glazing Silicone; General Purpose; Commercial Grade 100%; Tub, Tile and Ceramic, HVAC/R. GE®: 1200 Construction, 1000 Contractors, 1700 Sanitary. Tremco®: Proglaze, Tremsil 200, TremPro 644. OSI: HM-270. Pecora: 860, 863. Sonneborn: OmniPlus. Sika®: SikaSil®-GP.


Product Warning:

Dow Corning 999-A Silicone Building and Glazing Sealant is not intended for structural glazing, or for use on masonry. Check cartridge label and Specification Data Sheet for additional limitations.

Resources

• CRL Sealant Basic Uses and Limitations
• Dowsil 999-A Building and Glazing Sealant Tech Data Sheet
• Glass Railing Installation Sealants Information
• Safety Data Sheets 999ABRZ.pdf