A thin coating designed to reduce long-wave radiant heat transfer while preserving selected visible-light and solar-performance characteristics.
GlassRenu · Educational illustration
Meaning and boundaries
Low-e does not identify one material, color, durability class, or safe restoration method.
Why it matters in glass restoration
Coating location and type must be identified before cleaning or polishing because some low-e surfaces are exposed and vulnerable.
Related terms
References
- U.S. Department of Energy — Purchasing Energy-Efficient Residential Windows, Doors, and Skylights
Publisher’s original source - ASTM International — ASTM C1376-21a: Pyrolytic and Vacuum Deposition Coatings on Flat Glass
Publisher’s original source - Lawrence Berkeley National Laboratory — Dynamic Glazings and Advanced Coatings
Publisher’s original source