Casco Casement Windows combine timeless elegance with modern performance, offering superior ventilation, energy efficiency, and architectural versatility. Hinged on either the left or right side, these windows open outward to maximize airflow, while their extended sash design helps catch cool breezes and direct fresh air into the home—a unique feature that enhances natural ventilation.

Designed to stand alone with style and beauty or be grouped to create a stunning wall of light, Casco Casement Windows are a popular choice for homeowners and architects looking to balance aesthetic appeal with functional benefits. Their sleek, uninterrupted glass surface provides expansive views and abundant natural light, making them ideal for modern, traditional, and contemporary designs alike.

Why Choose Casco Casement Windows?

  • Superior Ventilation – The outward-opening design captures breezes and enhances indoor airflow.
  • Energy Efficiency – High-performance seals and optional LoE³ glass help reduce heat loss, block UV rays, and lower energy costs year-round.
  • Architectural Flexibility – Works as a standalone statement window or can be combined in groups for a dramatic effect.
  • Unobstructed Views – Sleek frame design maximizes glass area for expansive outdoor visibility.
  • Smooth & Secure Operation – Advanced hardware ensures effortless opening and closing, with multi-point locking for enhanced security.

Available in a variety of exterior finishes, interior wood finish options, and customizable configurations, Casco Casement Windows provide a tailored solution for any home or commercial project.

Casco products are sold through our supported dealer network, ensuring expert guidance every step of the way. You won’t have to worry about managing the details on your own—our dealers provide professional support to help you choose the right solution. No matter where your project is located, we’re here to help.

  • Standard Features

    • Extruded Aluminum Clad Exterior / Pine Wood Interior
    • Solid wood component construction with substantial profiles
    • Maximum amount of wood surface exposure to the interior of the home
    • Corner key sash supports for increased sash rigidity
    • Bulb/Fin sash weatherstripping for added energy savings
    • Eight standard exterior maintenance free color options
    • Cardinal LoE3-366® insulated glass with argon gas
    • 4-9/16" jamb depth
    • AmesburyTruth Hardware: fold down crank handle in white, beige, or coppertone
    • AmesburyTruth Hardware: operator, multipoint lock, and adjustable sash hinges
    • Extruded screen frame in hardware matching white, beige, or coppertone
    • Position lockable, fold down vinyl nail fin for easy shipping and durable installation
    • National Fenestration Rating Council (NFRC) Certified

    Optional Features

    • Custom sizes
    • 22 Estate Colors and custom color exterior
    • Upgraded LoE coatings
    • Tempered and/or obscured glass
    • Hardware Color Upgrades: Oil Rubbed Bronze, Satin Nickel, Antique Brass, Brass, and Antique Nickel
    • Grille Options Including Grilles Between the Glass (GBG), and Simulated Divided Lites (SDL)
    • Blinds between the glass (10 Year Glass Warranty)
    • Factory stain, prime, or paint finishes including custom interior paint
    • Factory installed extension jambs
    • PetScreen and BetterVue screen fabric with Water Shed TechnologyTM
    • Aluminum extruded brickmold or panning material
    • Masonry installation straps in 7", 9", or 11" depths.
    • Factory mulled combinations with interior mullion strips supplied
    • OSI Window and Door System Installation Products (PDF / More)
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  • Exterior Standard Colors

    White

    Vanilla

    Almond

    Beige

    Taupe

    Gunmetal

    Dark Bronze

    Black

    Exterior Estate Colors

    Bright White

    Chalk

    Glacier

    Platinum

    Cashmere

    Brownstone

    Khaki

    Mocha

    Musket

    Pebble

    Smoke

    Suede

    Wicker

    Heather

    Brick

    Sienna

    Olive

    Forest Green

    Spring Green

    Fern

    Teal

    Harbor

    Ice Blue

    Bronze Vein

    Silver Vein

    Interior Prefinished Wood Colors

    Wheat

    Cinnamon

    Fruitwood

    Cherry

    Dark Oak

    Dark Walnut

    Mahogany

    Cordovan

    Ebony

    Black Cherry

    Mission Oak

    Painted Casco White

    Painted Casco Black

    Primed Only
    (Field Finish Required)

    Actual colors may vary, see your sales consultant for color samples.

  • Glass

    Energy Efficient Coated Glass

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    Cardinal LoE3-366® - Dual Pane

    Cardinal LoE3-366® glass is the ultimate performance glass that delivers the ideal balance of solar control and high visibility. Along with providing the highest levels of year-round comfort and energy savings, LoE3-366 provides exceptional fading protection as well. It blocks 95% of the sun's damaging ultraviolet rays (a leading cause of fading), so it will help your furniture, carpets, curtains and wall coverings stay beautiful for years to come.
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    LoE3-340 - Dual Pane

    The solar performance of LoE3-340 glass is unprecedented in a double-pane unit - no room-darkening tint required with great glare control. Then when cold weather rolls around, its low U-Factor reduces indoor heat loss. Less heat gain when it's hot, less heat loss when it's cold, more comfort year-round, and the best glare control under the sun.
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    LoE3-366® with LoE-180™- Triple Pane

    High performance triple pane glass is also available in the form of LoE3-366® with LoE-180™ included! Ask your sales representative for more information on this energy efficient combination!
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    LoE-i89

    Adding LoE-i89 to windows already with LoE3-366®, or LoE3-340, takes your energy efficiency to the next level. Rather than absorbing internal heat, LoE-i89 reflects it back into the room, making your living space feel warmer and more comfortable. LoE-i89 provides triple pane performance from dual pane glass.
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    Neat® - Naturally Clean Glass

    Neat®, naturally clean glass, harnesses the sun's UV rays to loosen dirt so water can rinse it away, leaving windows virtually spotless. This nearly invisible protection layer is applied to the exterior of your glass allowing your windows to stay cleaner longer.

    Obscure Glass

    Oftentimes used in bathrooms, mud rooms, and utility areas, specialty glass provides different levels of privacy while still allowing light into a room.

    Pattern62/Stipolite

    Rain

    Reeded Horizontal

    Reeded Vertical

    Satin Etch

    Screen

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    Standard Screen

    As the standard in the industry for years, this vinyl coated fiberglass screen material is sure to keep insects out.
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    BetterVue

    BetterVue insect screen is an improved visibility screen that offers clearer views (20%) with enhanced insect screen performance (10%). Additionally, BetterVue includes Microban antimicrobial product protection to stay clean longer and Water Shed TechnologyTM.
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    PetScreen

    PetScreen is tear and puncture-resistant to prevent damage by dogs and cats and is ideal for use in high-traffic areas. Additionally, PetScreen includes Microban antimicrobial product protection to stay clean longer and Water Shed TechnologyTM.

  • Grille Type

    Internal Grilles

    Grilles that are between the two panes of glass

    5/8" Flat

    13/16" Flat

    3/4" Contour

    1" Contour

    All internal grilles are available in two-tone finishes. The exterior color of the grille will be matched to your window color and white will be included on the interior to match painted white interior finishes.

    SDL Grilles

    Simulated Divided Lite (SDL) grilles are mounted to the exterior of the glass on both the exterior and interior of the window. Adding a 3rd internal grille between the glass adds to the beauty of the rich look of SDL Grilles.

    7/8" SDL

    7/8" SDL with Internal

    1-1/4" SDL

    1-1/4" SDL with Internal

    Need interior removable wood grilles? We can help! Ask a sales representative for more information.

    Grille Styles

    Colonial

    Colonial Top Only

    Specified Colonial

    Prairie

    Craftsman

    Cross

    Diamond

    Cathedral

  • Hardware

    Standard

    Coppertone

    Beige

    White

    Optional

    Matte Black

  • Combinations

    Shown below are just a few combinations of how casements can be used in combination with other windows to elevate the design of new windows.

    Two casement windows on each side of a casement picture window.  Colonial grille style in casements, no grilles in picture window.

    Four active casement windows side by side.  Cross grille style.

    Three casement windows, two active and one stationary.  One arched specialty window transom over the windows.  Craftsman grille pattern.

    Two casement windows on each side of a casement picture window.  Separate transom windows over each unit.

  • Other

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    Casco Aluminum Clad Window &
    Patio Door Guide
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    Casco Casement Size Chart
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    Casco Casement Picture Size Chart