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Casement CA 4700 Series

  • Fully welded beveled frame & sash for superior strength.
  • Maintenance free rigid multi-chamber vinyl profile.
  • Opens full 90 degrees for easy cleaning from inside.
  • Triple weatherstripping to significantly reduce air, water, dust and noise infiltration.
  • Progressive multi-point locking system for weather-tight seal draws the sash tightly and securely to the frame.
  • High performance, corrosion resistant, operators for effortless operation and easy adjustability.
  • Folding crank handles for minimal interference with draperies and blinds (standard).
  • Heatseal® warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of your window.
  • Full fiberglass mesh screen standard with all casement windows.
  • Optional Wood Extension Jambs for 2 x 4 and 2 x 6 stud wall installation.


A progressive multi-point locking system allows for a weather-tight seal by drawing the sash firmly and securely to the master frame. The multi-point locking system also offers added security by providing additional points of reinforcement on the window.

The casement opens a full 90 degrees for maximum ventilation and easy cleaning from inside the home.

Folding style crank handles, standard on all casement windows, minimize interference with blinds and other window treatments.

Color & Hardware Options

OKNA Windows offers three exterior color selections in addition to the standard Euro-White option to give your home a distinct look and enhance its curb appeal. You can also special order custom exterior colors from a virtually unlimited selection of paints. OKNA Windows paints are environmentally safe and durable, giving your exterior a vibrant and long-lasting color finish. Three beautiful interior woodgrain laminate options are also available.


OKNA casement window is also available in replacement option.