| Manufacturer : | Westlake Royal Windows, LLC (Krestmark) |
|---|---|
| Certification #: | NI015645-R1 |
| Primary Sealant: | Butyl |
| Spacer: | Tin Plated Steel |
| Dessicant: | Matrix |
| Gas Fill: | Argon |
| Glazing: | Clear/Low-E |
| Capillary Tubes: | No |
| Internal Components: | Muntins |
| Expiration: | 11/30/2024 |