• Full 3¼" Depth Welded Mainframe with beveled colonial exterior features curves that are not only beautiful, but also allow for maximum weld surface resulting in superior strength and years of long lasting performance.
  • Heatseal® warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window.
  • Full integral interlock with double weather-stripping.
  • Optional Auto-Lock features an exclusive automatic locking system which is easy to engage.
  • Heavy gauge fully extruded handles on both sashes.
  • Fiberglass mesh half screens standard on all windows.
  • Optional locking screen provides an additional safety measure.*
  • Available in Replacement and New Construction applications.

Warranty

All of our windows and doors are manufactured from high quality materials and are backed by a Transferable Lifetime Limited Warranty.

 

Overview

Full 3¼" Depth Welded Mainframe with beveled colonial exterior features curves that are not only beautiful, but also allow for maximum weld surface resulting in strength and years of long lasting performance.

Optional foam-filled insulated extrusions add energy efficiency - Deluxe version only. (Insulation type may vary during the manufacturing process)

Standard Sash lock with tamper-proof cam ensures a much smoother turn, and increases the life cycle over traditional locks.

Optional Auto-Lock features an exclusive automatic locking system which is easy to engage.

The Bulb Gasket Seal improves thermal performance, lowers drafts, and provides better acoustic insulation.

Push Button Spring-Loaded Vent Latches allow both window sashes to remain partially open for ventilation.

The sill dam wall is mortised into the jamb adding strength and lowering the possibility of leaks.

The 500 Series offers a fully integrated lift rail giving the window a nice, contemporary look.

Interior Options

Our company offers three interior colors to give your home a distinct look.

 
Euro White
Euro White
Almond
Almond
Cocoa
Cocoa
Euro White
Euro White

Exterior Options

OKNA Windows offers six exterior stock color selections in addition to the standard Euro-White option to give your house a distinct look and enhance its Curb appeal. You can also select custom exterior colors from a virtually unlimited selection of paints. Our paints are environmentally safe and durable, giving your exterior a vibrant and long-lasting color finish.

 
Euro White
Euro White
Almond
Almond
Sandstone
Sandstone
Cocoa
Cocoa
Terra Brown
Terra Brown
Basic Brown
Basic Brown
Bronze
Bronze
Custom Colors
Custom Colors
Almond
Almond

Hardware

To create a style and finish that reflects your unique taste our hardware is designed to harmonize with our different window styles and decor ideas.

Euro White
Euro White
(Standard)
Almond
Almond
(Optional)
Cocoa
Cocoa
(Optional)

Optional Auto-Locks

OKNA Windows Auto-Lock features an exclusive automatic locking system which is easy to engage.

Euro White
Euro White
Almond
Almond
Cocoa
Cocoa
 

All colors except Euro-White are available at an additional charge. Colors on your monitor may not match the product's actual color. Please visit a local dealer to view actual color samples.

You can also special order custom exterior colors from a virtually unlimited selection of paints. Our paints are environmentally safe and durable, giving your exterior a vibrant and long-lasting color finish.

Grid Patterns

Are you looking for a stunning design detail to instantly set your home apart both inside and out? A choice of decorative grilles for your OKNA Windows & Doors can highlight the architectural style that speaks to you.

Colonial Colonial
Praire Praire
Diamond Diamond

Grid Profiles

GBG grilles consist of aluminum bars sealed in the insulating airspace between the two panes of glass. Because the interior and exterior glass surfaces are not affected, cleaning your windows is a much easier task.

Euro White 5/8'' Flat Grid between glass
Contour Grid between glass 11/16'' Contour Grid between glass

OKNA Screens

Okna Windows offers factory-installed half screen with heavy-duty handle. Screens are removable from the inside for convenient storage. We also offer ThruVision® Screens improving view thru the window protecting interior from insects and allowing perfect ventilation.

ThruVision® Screen | Regular Screen

Our company offers factory-installed half screen with heavy-duty handle. Screens are removable from the inside for convenient storage.

ThruVision® Screen | Regular Screen

Optional locking screen provides an additional safety measure.*

ThruVision Plus®

ThruVision Plus® is our fiberglass improved visibility screen. This product does for windows and doors what high-definition technology has done for television viewing: it improves the view by making it sharper and more vivid. ThruVison PLUS® Standard with All OKNA Windows.

ThruVision® Screen | Regular Screen
ThruVision® Screen | Regular Screen

(* Insect screen cannot support significant amounts of weight. Please keep small children and pets away from windows when only insect screens are in use.)

Installation

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