CRL Tremco® Proglaze® Clear Silicone Sealant for Glass & Glazing

• Fast curing to a durable, flexible seal
• Excellent resistance to ultraviolet, ozone, and temperature

Tremco® Proglaze® (SKU 942800) is a one-part, moisture-curing, acetic‑cure silicone sealant that can be gunned in all weather. It rapidly cures to a durable, flexible bead—ideal for glazing joints that require long-term flexibility and environmental resistance.


Basic uses
Provides a high-performance seal for a wide variety of glazing applications including cap bead, toe bead, heel bead, butt glazing, and metal-to-metal joints. Available in clear, white, aluminum, and black. Acceptable for indirect contact with edible products under U.S.D.A. requirements for use in federally inspected meat and poultry plants.

Technical data
Meets or exceeds: Federal Specifications TT-S-001543A Class A and TT-S-00230C Class A; ASTM C-920, Type S, Grade NS, Class 25, Use NT, G, A and O; CAN/CGSB-19.13-M87, MG-2-25-A-L. These standards confirm Proglaze® as a compliant silicone glazing sealant for building and glazing projects.

Limitations
Not intended for structural glazing or for use on masonry. Do not apply to damp or contaminated surfaces. Use with adequate ventilation. See cartridge label and Specification Data Sheet for full limitations and installation guidance.

Comparable sealants
CRL: 33S. Dap: 100% Silicone. Dow Corning®: 999-A; 786; 732; 700; Glazing Silicone; General Purpose; Commercial Grade 100%; Tub, Tile and Ceramic; HVAC/R. GE®: 1000 Contractors, 1700 Sanitary. Tremco®: Tremsil 200, TremPro 644. OSI: HM-270. Pecora: 860, 863. Sonneborn: OmniPlus. Sika®: SikaSil®-GP.

Product warning:

Do not apply to damp or contaminated surfaces. Use with adequate ventilation. Check cartridge label and Specification Data Sheet for additional limitations.