Characterized by five or more window units joined together in a graceful, gently curved formation that projects from the wall. Bow windows create increased space and dimension, providing a wider field of view while serving as an architectural focal point. The rounded contours soften and add visual interest to what would otherwise be a plain wall.
Efficient Favorite
To see the digital brochure for this window series please CLICK HERE to download.
All of our windows and doors are manufactured from high quality materials and are backed by a Transferable Lifetime Limited Warranty.
The 3 1/4″ welded mainframe with a beveled colonial exterior combines aesthetic curves with maximum strength.
The standard sash lock with a tamper-resistant cam provides a smoother turn and longer lifespan than traditional locks.
Push button spring-loaded vent latches allow both window and 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.Â
Optional foam-filled insulated extrusions enhance energy efficiency in the deluxe version, with insulation type varying in manufacturing.
Optional WOCD latches provide added safety by limiting window openings to 4 inches, with easy deactivation for full opening, and are available in White and Almond.
Our company offers an optional Almond colored vinyl in addition to our standard Euro-White to give your home a distinct look.Â
All options, besides Euro-White, are available at an additional charge.
Euro-white (standard)
Almond (Optional)
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 screen.
Almond (Optional)
Sandstone (Optional*)
Terra Brown (Optonal*)
Cocoa (Optional)
Basic Brown (Optional*)
Bronze (Optional)
Nicol's Black (Optional*)
Custom Colors (Optional)
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.Â
Euro-White (Standard)
Almond (Standard on Solid Almond Windows)
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
Bow Window 4 Lite
Bow Window 5 Lite
Bow Window 6 Lite
Tinted
Rain
Obscure
OKNAÂ 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
ThruVision PLUS® Screen
Supreme Style & Performance
To see the digital brochure for this window series please CLICK HERE to download.
All of our windows and doors are manufactured from high quality materials and are backed by a Transferable Lifetime Limited Warranty.
The 800 series features a beveled profile that offers the traditional look of wood with the low-maintenance performance of vinyl and can be painted to match any exterior.
The 800 series combines a classic wood window appearance with low maintenance and a streamlined design featuring various sophisticated options.
The 800 series, our only vinyl window without an integrated lift rail, offers hardware options and handle styles inspired by classic wood windows.
Recessed vent and tilt latches provide a streamlined look and easy cleaning, while the top sash reveal at the meeting rails reflects the 800 series’ classic wood window inspiration.
The 800 series is designed to replicate a traditional wood window, with details like rounded beveled edges of the glazing bead reflecting its classic inspiration.
A one-piece sloped sill allows for proper water drainage without leaks.
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 that may occur at corner seals.
The bulb gasket seal enhances thermal performance and acoustic insulation, while dual weather-stripping reduces drafts and balance covers create a streamlined appearance.
High-density composite reinforcement in the upper sash makes our windows structurally stronger than others on the market.
Magnetic seals, like those in refrigerators, significantly reduce drafts and enhance the thermal performance of our windows.
Optional WOCD latches provide added safety by limiting window openings to 4 inches, and they automatically reactivate when closed; available in White and Almond.
Our company offers five beautiful interior laminates in addition to the standard Euro-White to match any decor and style.Â
All options, besides Euro-White, are available at an additional charge.
Select areas of our product are not laminated to ensure proper operation.
Euro White (Standard)
Natural (Optional)
Winchester (Optional)
Cognac (Optional)
Melrose Cherry (Optional)
Dark Oak
Onyx Black (Optional)
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.
Euro-white (standard)
Almond (Optional)
Sandstone (Optional*)
Terra Brown (Optional*)
COCOA (Optional)
Basic Brown (Optional*)
Bronze (Optional)
Nicol's Balck (Optional*)
Custom Colors
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.Â
Euro-White (Standard)
Adobe Gray (Standard on Laminates)
Antique Brass (Optional)
Brushed Nickel (Optional)
Matte Bronze (Optional)
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.
Permanent interior and exterior grid with spacer will provide a truly authentic look. Interior grids are available in Euro-White or wood laminates to match your home’s decor. External grids are available in Euro-White or colors to match product exterior.
Flat Grid
Contour Grid
SDL Grid
Bow Window 4 Lite
Bow Window 5 Lite
Bow Window 6 Lite
Tinted
Rain
Obscure
OKNAÂ 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
ThruVision PLUS® Screen
Sleek Modern Aesthetic
To see the digital brochure for this window series please CLICK HERE to download.
All of our windows and doors are manufactured from high quality materials and are backed by a Transferable Lifetime Limited Warranty.
The progressive multi-point locking system ensures a weather-tight seal and added security by securely drawing the sash to the master frame with multiple reinforcement points.
Folding style crank handles, standard on all casement windows, minimize interference with blinds and other window treatments.
Optional WOCD latches enhance safety by limiting window openings to 4 inches, with automatic reactivation upon closing, available in White and Almond.
Our company offers five beautiful interior laminates in addition to the standard Euro-White to match any decor and style.Â
All options, besides Euro-White, are available at an additional charge.
Select areas of our product are not laminated to ensure proper operation.
Euro White (Standard)
Natural (Optional)
Winchester (Optional)
Cognac (Optional)
Melrose Cherry (Optional)
Dark Oak
Onyx Black (Optional)
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.
Euro-white (standard)
Almond (Optional)
Sandstone (Optional*)
Terra Brown (Optional*)
COCOA (Optional)
Basic Brown (Optional*)
Bronze (Optional)
Nicol's Balck (Optional*)
Custom Colors
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.Â
Euro-White (Standard)
Almond (Standard on Solid Almond Windows)
Cocoa (Optional on Laminates)
Adobe Gray (Standard on Laminates)
Antique Brass (Optional)
Brushed Nickel (Optional)
Matte Bronze (Optional)
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.
Permanent interior and exterior grid with spacer will provide a truly authentic look. Interior grids are available in Euro-White or wood laminates to match your home’s decor. External grids are available in Euro-White or colors to match product exterior.
Flat Grid
Contour Grid
SDL Grid
Bow Window 4 Lite
Bow Window 5 Lite
Bow Window 6 Lite
Tinted
Rain
Obscure
OKNAÂ 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
ThruVision PLUS® Screen
Manufactures
OKNA windows offer several benefits, including the fact that they are virgin vinyl windows, which tend to last longer than wooden windows. These windows also stand out for their high quality, beauty, and eco-friendliness. Window Guardians Premium choice for a reason.
ProVia offers home replacement windows to meet every homeowner’s needs and budget, from the greatest design flexibility and energy efficiency to more budget-friendly options. With any of our windows, you can be assured of the highest quality manufacturing for long-term beauty and performance.
Made from the strongest material for windows, Pella products deliver unmatched strength and lasting durability with sleek, timeless style. Tested in extremes and designed for every day, these windows and patio doors deliver proven performance.
Crystal Window & Door Systems is a certified manufacturer. The company’s state-of-the-art 215,000 sq.ft manufacturing facility in Queens NY offers made-to-order window management solutions, with flexible manufacturing for custom sizes, architectural shapes, colors and specialty finishes for an affordable budget.
Andersen is the premier and largest window manufacturer in North America. With Longevity You can trust that Andersen Windows are built to last. Andersen only uses long-lasting wood and Fibrex building materials to ensure you only have to replace your windows once.Â
FAQ’s
Window Styles
Window Guardians
Meticulous attention to detail for flawless windows every time.
Delivering an enjoyable, stress-free window installation experience.
We go above and beyond to ensure complete satisfaction.
You're covered from start to finish for total peace of mind.
Only the best brands and most durable windows for your home.
Tips & Tricks
The Power of Low-E Glass, Foam-Filled Frames, and Argon Gas for Enhanced Efficiency!
Award Winning Window Installers in Bucks County Family-Owned and Trusted Specialists.
Discover the Advantages of Okna Windows: Your Top Choice for Home Window Purchases.
We Installed $100,000 Worth of Windows in This Million Dollar Mansion in Bucks County PA.
