Basic Uses
CRL Tremco® Spectrem® 2 is suitable for both caulking and glazing applications, including cap beads, toe beads, heel beads, and other typical air seals. It is particularly appropriate as a weather seal and tensile bead in two-sided structural glazing systems, and ideal for sealing joints within the curtain/window wall systems.
Comparable Sealants
CRL: 95C. Dow Corning®: 795, 995, 791. GE®: SilPruf® 2000, UltraGlaze® SSG 4000. Tremco®: Spectrem® 3. Pecora: 864, 895. Sonneborn: OmniSeal. Sika®: SikaSil® -WS95.
Limitations
All structural glazing applications must be reviewed and approved by Tremco® Technical Service prior to the application of Spectrem® 2. Do not apply to damp or contaminated surfaces. Check cartridge label and Specification Data Sheet for additional limitations.
Technical Data
It meets or exceeds the test requirements of TT-S-001543A (COM-NBS) Class A; TT-S-00230C (COM-NBS) Class A, Type II; ASTM C-920 Type S, Grade NS, Class 50, Use NT, M, G, A, O.; CAN/CGSB-19.13-M87; AAMA 802.3-92 (Type I and II), 805.2-94 (Grade C), and 808.3-92.