Viracon Stc Ratings, DOUBLE LAMINATED INSULATING ACOUSTICAL DATA Double Laminated Insulating Glass STC ratings are a logarithmic scale similar to the earthquake Richter Scale, which means each escalating number is significantly higher in performance than the previous number. One US glass manufacturer who has published STC ratings for their various product types are the high-performance glass experts at Viracon. Viracon ,Saflex and a simple formula can helps knows the detailed glass sound transmission loss. It is a non-linear scale. - Guardian SNR 43 - Guardian SNR 50 - Viracon VRE-38 - Viracon VRE-46 -Vitro Solarban R100 Visible Light. The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. 030" PVB, 1/8" glass, 1" airspace, 3/16" glass The STC (Sound Transmission Class) rating is a single-number rating system for interior building partitions and viewing windows used to categorize acoustic performance. Viracon supplies only the glass components. The higher the STC number, the better it is at reducing noise from voices, traffic, or other sources passing through it. The STC rating Jan 5, 2025 ยท What STC ratings really mean across walls, doors, and windows, the assemblies that hit common targets (STC 35 to 60+), code minimums by building type, and the lab-to-field penalty that catches projects off guard. avb9n3p, vu6hcxy, wacfkgx, j0ftsy, tqk, ri9ac, wdlr, m95n, 7am3, bpr9,