Quad-Seal Collection

Provides you with a modern contemporary flat exterior look

Casement Window

Our Quad-Seal Casement Windows provide you with an unobstructed view from top-to-bottom and side-to-side. They open to 93º degrees for easy cleaning and directing the flow of fresh air into your home. 

Available in a variety of sizes to provide a custom fit for your home.

Quad-Seal Collection

Provides you with a modern contemporary flat exterior look

Casement Window

Our Quad-Seal Casement Windows provide you with an unobstructed view from top-to-bottom and side-to-side. They open to 93º degrees for easy cleaning and directing the flow of fresh air into your home. 

Available in a variety of sizes to provide a custom fit for your home.

Standard Features

Integrated Snap-Down Nesting Handle

Stainless Steel Multi-Point Locking System

Snap-in Removable Screen for Easy Cleaning

Fusion-Welded Frame and Sash for Added Strength and Prevention Of Air Infiltration.

Operator Allows Sash to Open 93° Degrees for Easy Cleaning

TRUTH Hardware Stainless Steel Hinges

Additional Standard Features

  • Our exclusive Quad-Seal System® ensures a superior seal
  • Shadow groove cleaned corners
  • 7/8” insulated thermal dual-seal glass with Quanex Super spacer for optimum efficiency
  • Multi-chambered design with reinforced screw chambers
  • Integrated self-drainage system

Quad-Seal System
Cross-Section

Inside View

Energy Ratings

ModelBrandENERGY STAR Most Efficient 2021U-factor (W/m2 – K)Solar Heat Gain (SHGC)Energy Rating
L-CAS- TG,CLR/CLR/LOE180-GRLWeather Seal WindowsN1.170.3735
L-CAS- TG,CLR/LOE272/CLR-GRLWeather Seal WindowsN1.150.2730
L-CAS-DG,LOE180/I89Weather Seal WindowsN1.280.435
L-CAS-TG,CLR/LOE272/CLRWeather Seal WindowsN1.150.332
L-CAS-TG,CLR/CLR/LOE180Weather Seal WindowsN1.140.438
L-CAS- TG,LOE180/LOE180/I89Weather Seal WindowsY0.890.3440
L-CAS-TG,CLR/LOE272/272- GRLWeather Seal WindowsY0.940.2433
ModelBrandENERGY STAR Most Efficient 2021U-factor (W/m2 – K)Solar Heat Gain (SHGC)Energy Rating
L-CAS-TG,CLR/LOE272/272Weather Seal WindowsY0.930.2634
L-CAS- TG,LOE180/LOE180/I89-GRLWeather Seal WindowsY0.90.3238
L-CAS- TG,LOE180/CLR/LOE180Weather Seal WindowsY0.960.3639
L-CAS- TG,LOE180/CLR/LOE180- GRLWeather Seal WindowsY0.970.3337
CAS-TG,CLR/ CLR/LOE180Weather Seal WindowsN1.290.435
CAS-TG,LOE180/ CLR/LOE180Weather Seal WindowsN1.110.3636
WEATHERSEA1CA1 LOE272/CLR/I89-GRLWeather Seal WindowsN1.210.1924
WEATHERSEA1CA1 LOE366/CLR/LOE180Weather Seal WindowsN1.090.1625
ModelBrandENERGY STAR Most Efficient 2021U-factor (W/m2 – K)Solar Heat Gain (SHGC)Energy Rating
WEATHERSEA1CA1 LOE272/ CLR/LOE272Weather Seal WindowsN1.090.2329
WEATHERSEA1CA1LOE180/ LOE180/I89-GRLWeather Seal WindowsN1.10.2631
WEATHERSEA1CA1 LOE272/CLR/I89-SDLWeather Seal WindowsN1.170.2227
CAS-TG,LOE180/ CLR/LOE180-GRLWeather Seal WindowsN1.150.3334
WEATHERSEA1CA1 LOE272/ CLR/LOE272-SDLWeather Seal WindowsN1.130.2127
WEATHERSEA1CA1 LOE272/CLR/LOE272-GRLWeather Seal WindowsN1.120.1725
WEATHERSEA1CA1 LOE272/CLR/LOE180Weather Seal WindowsN1.10.2430
WEATHERSEA1CA1 LOE272/CLR/LOE180-SDLWeather Seal WindowsN1.140.2228
ModelBrandENERGY STAR Most Efficient 2021U-factor (W/m2 – K)Solar Heat Gain (SHGC)Energy Rating
WEATHERSEA1CA1 LOE272/CLR/LOE180-GRLWeather Seal WindowsN1.130.1825
WEATHERSEA1CA1 LOE366/CLR/LOE180-SDLWeather Seal WindowsN1.130.1524
WEATHERSEA1CA1 LOE366/CLR/LOE180-GRLWeather Seal WindowsN1.120.1222
WEATHERSEA1CA1 LOE272/CLR/I89Weather Seal WindowsN1.150.2428
WEATHERSEA1CA1 LOE180/LOE180/I89Weather Seal WindowsY1.030.3437
WEATHERSEA1CA1 LOE180/LOE180/I89-SDLWeather Seal WindowsY1.050.3135

360° View of Window

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    Warranty Information

    DOUBLE INSULATED GLASS

    Standard Glass: DOUBLE INSULATED GLASS Overall Thickness 7/8"

    TRIPLE INSULATED GLASS

    Optional Glass: TRIPLE INSULATED GLASS Overall Thickness 1 3/8"

    Click each logo to learn more about each glass option

    SuperSpacer® Premium Plus

    Weather Seal uses SuperSpacer Premium Plus for all its manufactured windows, designed  specifically for the North American climate. SuperSpacer Premium Plus, provides the warmest, highest performance glass spacer on the market. SuperSpacer Premium Plus warm edge spacer is made of high-performance silicone material with integrally incorporated desiccant  – which many designers and architects prefer. Even with its aesthetically pleasing narrow sightline, SuperSpacer Premium Plus delivers high wind load resistance, exceptional thermal performance, argon gas retention and long-term durability.
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    Standard Exterior Colours

    White
     
    Optional Exterior Colours

    Sandalwood

    Commercial Brown

    Black
     
    Available Custom Colours

    Flat 5/16"

     

    Flat 5/8"

     

    Flat 1"

     

    Pencil 3/8"

     

    7/8" Contour Flat SDL

     

    1 1/4" Contour Flat SDL

     

    2" Contour Flat SDL

     

    Georgian 3/4"

     

    Georgian 1"

     
     
    Wood Jamb Extensions

    Wood Jamb Extensions

    Vinyl Jamb Extensions

    Vinyl Jamb Extensions

    Casing & Rosettes
    2 3/8" Casing with Round Rosette
    3 3/8"Casing with Round Rosette
    3 3/8" Casing with Straight Rosette
    3 3/8" Flat Casing with Flat Rosette
    Brickmoulds
    1/8" Brickmould
    3/8" Bull Nose
    3/4" Brickmould
    1 1/4" Brickmould with Nailing Fin
    1 1/4" Brickmould
    1 1/2" Brickmould
    2" Brickmould
    1 1/4" Brickmould with 2" Slopped Sill
    1 1/2" Brickmould with 2" Slopped Sill
    2" Brickmould with 2" Slopped Sill