Aluminum Glazing Silicone Sealant - Dow Corning by CRL

• Excellent adhesion to most common building substrates
• Excellent weatherability and UV resistance

Dow Corning® Glazing Silicone Sealant (SKU: DC1AL) is a professional-quality acetic-cure silicone formulated for glass shop glazing, skylights, and back-lite replacement. It forms a long-lasting, water-resistant seal with ±25% movement capability when properly applied and delivers extended working time for a clean, professional finish.


Basic uses
It’s ideal for general glazing, skylights, back-lite replacement, and repairing weatherstripping and gaskets. The adhesion-promoted formulation bonds to most glass, plastics, metals, repainted surfaces, fiberglass, ceramics, and aluminum—making it a versatile glazing silicone sealant for glass and aluminum applications.


Technical data
Meets or exceeds: Federal Specifications TT-S-001543A (COM-NBS) Class A, TT-S-00230C (COM-NBS) Class A, ASTM C-920, and CAN2-19.13-M82.


Limitations
Not intended for structural glazing or use on masonry. See cartridge label and Specification Data Sheet for additional limitations.


Comparable sealants
CRL: 33S. Dap: 100% Silicone. Dow Corning®: 999-A; 786; 732; 700; 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:

Not for structural glazing. Check cartridge label and Specification Data Sheet for additional limitations.


Order DC1AL now for reliable, UV-resistant glazing performance.