SLIDER | SL420
- Rigid multi-chamber vinyl profile.
- uPVC fusion welded frame & sash for superior strength and durability.
- Heatseal® warm edge spacer system for excellent thermal efficiency and drastic reduction in the possibility of condensation on the inside of the window.
- Heavy gauge fully extruded handles on both sashes.
- Fiberglass mesh half screens standard on all windows.
- Full integral interlock with double weatherstripping.
Download Brochure
Performance Numbers:
To see Thermal and Structural numbers for this window series please CLICK HERE to download.
Warranty:
All of our windows and doors are manufactured from high quality materials and are backed by a Transferable Lifetime Limited Warranty.
Find an installerOverview
Full 3¼” Depth uPVC Fusion Welded Frame and Sash that features beveled exterior curves that not only have a modern-day look, but also allow for maximum weld surface resulting in superior strength and years of long-lasting performance.
Standard Slim Profile Sash lock with tamper-proof cam ensures a much smoother turn, and increases the life cycle over traditional locks.
Push Button Spring-Loaded Vent Latches allow both window sashes to remain partially open for ventilation.
Our window opens easily because it is mounted on brass wheels which allow the slider to smoothly glide across its track.
Optional EZ Glide System contains an anodized track and precision ball bearing wheels for smoother glide and operation especially with oversized and triple pane units.
Standard factory-installed bumpers ensure quiet operation.
Interior Options
Our company offers an optional Almond colored vinyl in addition to our standard Euro-White to give your home a distinct look.
All options, besides Euro-White, are available at an additional charge.
Euro-White (Standard)
Almond (Optional)
Exterior Options
OKNA Windows offers seven 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.
Exterior colors other than Euro-White must have full screen. All options, besides Euro-White, are available at an additional charge. Please contact the certified dealer in your area for pricing.
*Surcharge applied for painted screens.
Almond (Optional)
Sandstone (Optional*)
Terra Brown (Optional*)
Cocoa (Optional)
Basic Brown (Optional*)
Bronze (Optional)
Nicol's Black (Optional*)
Custom Colors (Optional)
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 (Standard)
Almond (Standard on Solid Almond Windows)
Grids
GBG grilles consist of aluminum bars sealed in the insulation 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.
Flat Grid
Contour Grid
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
Prairie
Diamond
Specialty Glass Options
OKNA offers specialty glass in a variety of distinctive choices that add visual interest to any design while offering variability in light control. Shown below is our Obscure textured glass. With a range of options at your fingertips, you can find the glass choice for your application and aesthetic, from traditional to modern. Here are available glass options:
Textured
For increased privacy
Tempered
For increased strength
Laminated
For increased impact resistance and noise reduction
Custom Configuration
For more aesthetic choices
Obscure
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 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.
Industry Standard Screen
