Our 400 series technical specs are listed below. Feel free to contact our team if you’re interested in learning more about our customizable 400 series windows for your next commercial project. These windows are offered in fixed and double hung models and have been used in numerous projects all over the United States.
| Fixed | Double Hung | |
|---|---|---|
| Frame Depth | 3.25" | 3.25" |
| Structural Rating | Class AW-PG40 | Class CW-PG45 |
| Test Size | 1524 x 2515 (60 x 99) | 1422 x 2311 (56 x 91) |
| Design Pressure ASTM E330 | 1920 Pa (40.10 PSF) | 2400 Pa (45.11 PSF) |
| Air Infiltration(ASTM E283) | <0.01 L/s/m^2 (<0.01 CFM/ft^2) 300 Pa (6.27 PSF) | 1.1 L/s/m^2 (<0.21 CFM/ft^2) 75 Pa (1.57 PSF) |
| Water Resistance (ASTM E547 and E331) | 580 Pa (12.11 PSF) | 580 Pa (12.11 PSF) |
| Uniform Load Structural (ASTM 330) | 2880 Pa (60.15 PSF) | 3240 Pa (67.67 PSF) |
| U-Factor (NFRC | 100/200) | ||
| CRF (NFRC | 100/200) | ||
| Forced Entry Resistance ASTM 588 | Type D Grade 10 |
