The triple pane Precision Weld 400 with krypton Gas provides the best performance ratings of a sliding widow in the series. Superior performance equals energy savings. If you demand the very best and still want a great price the Precision Weld 400 is definitely one to consider
- 43% Better U-Value than Energy Star® minimum
- 3000% better air infiltration protection
- Choose the Grid option between glass it is available in popular styles
- Fully welded frame & sash with double weather stripping
- Triple panes of glass reduces noise
- Krypton gas
- Clean modern look
| Energy Star | Comparison To | ||||||
| Glazing Option | U-Value | SHGC | VT | CR | Minimum* | Energy Star Minimum | |
| Triple Glazed | |||||||
| Deluxe/krypton Gas | 0.17 | 0.25 | 0.42 | 73 | 0.30 | 43% Better | |
| Industry | Comparison To | ||||||
| Our Windows | Minimum | Industry Minimum | |||||
| AAMA Rating | R 35 | R 15 | |||||
| Air Infiltration cfm/ft2 | 0.01 | 0.3 | 3000% | Better | |||
| Water Penetration mph | 59 | 33 | 79% | Better | |||
| Structural Integrity mph | 143 | 94 | 52% | Better | |||
