Casement Windows
4000 Series

Features
- Extruded nail fin (removable for replacement applications)
- Multi-point locking system
- Quanex building products most advanced warm edge spacer duralite®
- 3/4" insulated double strength glass unit
- Multi-chambered sash and main-frame
- Multi-point weather seal system
- Foam filled frame available
- Egress hinges available in casement option only
- Twin and triple uniframe available
- Beveled exterior main-frame
- Triple-pane glass options available
Standard:
- Sunshiels® Virgin Vinyl with titanium alloy compound
- Main-frame Jamb Depth Dimension of 3 1/4"
- Patented fusion welded frame and sash
NFRC Test Ratings:
Model | U-Factor | SHGC |
---|---|---|
4325 CS | .27 | .25 |
4350 AW | .27 | .25 |
Available Colors:

Arctic White

Desert Sand

Classic Clay
