Casement Windows

4000 Series

Casement window image green home solutions


  1. Extruded nail fin (removable for replacement applications)
  2. Multi-point locking system
  3. Quanex building products most advanced warm edge spacer duralite®
  4. 3/4" insulated double strength glass unit
  5. Multi-chambered sash and main-frame
  6. Multi-point weather seal system
  7. Foam filled frame available
  8. Egress hinges available in casement option only
  9. Twin and triple uniframe available
  10. Beveled exterior main-frame
  11. Triple-pane glass options available


  1. Sunshiels® Virgin Vinyl with titanium alloy compound
  2. Main-frame Jamb Depth Dimension of 3 1/4"
  3. Patented fusion welded frame and sash

NFRC Test Ratings:

Model U-Factor SHGC
4325 CS .27 .25
4350 AW .27 .25

Available Colors:

available in arctic white

Arctic White

available in desert sand

Desert Sand

Available in classic clay

Classic Clay

made in USA logo Energy Star logo AAMA logo NFRC logo