Legacy Collection

Has a classic beveled exterior façade

Casement Window (CL1)

Casement Legacy windows offer you an unobstructed view, from top to bottom and side to side. Opening to an impressive 93° makes cleaning our casement windows is a breeze. This also helps direct the flow of fresh air into your home.

Our 3 Seals Advantage, Multi-point locking system and the multi-chambered design ensures the tightest seal.

Legacy Collection

Has a classic beveled exterior façade

Casement Window (CL1)

Casement Legacy windows have a classic beveled exterior look offering you an unobstructed view, from top to bottom and side to side. Opening to an impressive 93° makes cleaning our casement windows a breeze. This also helps direct the flow of fresh air into your home.

Standard Features

Integrated Snap-down nesting handle
(Hover Over Image)

TRUTH Multi-point locking system

Snap-in removable screen for easy cleaning
(Hover Over Image)

Fusion-welded frame and sash for added strength and prevention of air infiltration. The exterior has a beveled design for a modern appearance

Operator allows sash to open 93° degrees for easy cleaning

TRUTH Hardware

Additional Standard Features

  • Shadow groove cleaned corners
  • Interior multi-chamber design which provide maximum strength as well as a high insulating factor
  • Integrated screw chambers for the hardware as well as installation purposes
  • Two steps interior frame finish for a modern look
  • Two soft, white bubble seals connected to the frame to ensure a great level of protection for your home against the elements
  • Outside one fin double brush seal on the sash to affirm protection of your home against the elements
  • Integrated self-drainage system

Inside View

Energy Ratings

Model Brand ENERGY STAR Most Efficient 2020 – 2025 U-factor (W/m² – K) Solar Heat Gain (SHGC) Energy Rating
QCASK-180ESC-ARG97-CL-ARG97-180ESC-3MM-(1.375) Weather Seal Windows Y 0.98 0.38 40
L-CAS-TG,LOE180/LOE180/I89-GRL Weather Seal Windows Y 0.9 0.32 38
QCASK-180ESC-KRY90-CL-KRY90-180ESC-3MM-(1.375) Weather Seal Windows Y 0.95 0.38 41
QCASK-180ESC-KRY90-CL-KRY90-180ESC-3MM-(1.375)-GRL Weather Seal Windows Y 0.95 0.34 39
QCASK-366-ARG97-CL-ARG97-366-3MM-(1.375) Weather Seal Windows Y 0.92 0.16 29
QCASK-366-ARG97-CL-ARG97-366-3MM-(1.375)-GRL Weather Seal Windows Y 0.92 0.14 28
QCASK-CL-KRY90-CL-KRY90-DI89-3MM-(1.375) Weather Seal Windows Y 1.08 0.41 40
LCASK-180ESC-ARG97-CLR-ARG97-180ESC-3-1.375 Weather Seal Windows Y 0.98 0.38 40
LCASK-180ESC-ARG97-CLR-ARG97-180ESC-3-1.375-GRL Weather Seal Windows Y 0.98 0.35 39
LCASK-180ESC-KRY90-CLR-KRY90-180ESC-3-1.375 Weather Seal Windows Y 0.95 0.38 41
LCASK-180ESC-KRY90-CLR-KRY90-180ESC-3-1.375-GRL Weather Seal Windows Y 0.95 0.35 39
LCASK-366-ARG97-CLR-ARG97-366-3-1.375 Weather Seal Windows Y 0.92 0.16 29
LCASK-366-ARG97-CLR-ARG97-366-3-1.375-GRL Weather Seal Windows Y 0.92 0.14 28
LCASK-CLR-ARG97-CLR-ARG97-DI89-3-1.375 Weather Seal Windows Y 1.11 0.42 40
LCASK-CLR-KRY90-CLR-KRY90-DI89-3-1.375 Weather Seal Windows Y 1.08 0.42 40
LCASK-366-ARG97-CLR-ARG97-I89-3-1.375 Weather Seal Windows Y 1.04 0.16 26
LCASK-366-ARG97-CLR-ARG97-I89-3-1.375-GRL Weather Seal Windows Y 1.04 0.15 26
WEATHERSEA1CA1LOE180/LOE180/I89 Weather Seal Windows Y 1.03 0.34 37
WEATHERSEA1CA1LOE180/LOE180/I89-SDL Weather Seal Windows Y 1.05 0.31 35
CASK-TG-LOE180ESC-ARG97-CLR-ARG97-LOE180ESC,3(1.375) Weather Seal Windows Y 0.97 0.38 41
CASK-TG-LOE180ESC-ARG97-CLR-ARG97-LOE180ESC,3(1.375)-GRL Weather Seal Windows Y 0.97 0.35 39
CASK-TG-CLR-ARG97-LOE272-ARG97-LOE272,3(1.375) Weather Seal Windows Y 0.93 0.26 34
CASK-TG-CLR-ARG97-LOE272-ARG97-LOE272,3(1.375)-GRL Weather Seal Windows Y 0.93 0.24 33
CASK-TG-LOE366-ARG97-CLR-ARG97-LOE366,3(1.375) Weather Seal Windows Y 0.91 0.16 29
CASK-TG-LOE366-ARG97-CLR-ARG97-LOE366,3(1.375)-GRL Weather Seal Windows Y 0.91 0.15 29
CASK-TG-LOE180ESC-ARG97-LOE180ESC-ARG97-I89,3(1.375) Weather Seal Windows Y 0.9 0.37 41
CASK-TG-LOE180ESC-ARG97-LOE180ESC-ARG97-I89,3(1.375)-GRL Weather Seal Windows Y 0.9 0.33 39
L-CAS-TG,LOE180/CLR/LOE180 Weather Seal Windows Y 0.96 0.36 39
L-CAS-TG,LOE180/CLR/LOE180-GRL Weather Seal Windows Y 0.97 0.33 37
L-CAS-TG,CLR/LOE272/272 Weather Seal Windows Y 0.93 0.26 34
L-CAS-TG,CLR/LOE272/272-GRL Weather Seal Windows Y 0.94 0.24 33
L-CAS-TG,LOE180/LOE180/I89 Weather Seal Windows Y 0.89 0.34 40
QCASK-180ESC-ARG97-CL-ARG97-180ESC-3MM-(1.375)-GRL Weather Seal Windows Y 0.98 0.34 38
QCASK-CL-ARG97-DI89-3MM-(0.875) Weather Seal Windows N 1.36 0.46 37
QCASK-CL-ARG97-DI89-3MM-(0.875)-GRL Weather Seal Windows N 1.36 0.42 34
QCASK-CL-KRY90-DI89-3MM-(0.875) Weather Seal Windows N 1.34 0.46 37
QCASK-CL-KRY90-DI89-3MM-(0.875)-GRL Weather Seal Windows N 1.34 0.42 35
QCASK-180ESC-ARG97-I89-3MM-(0.75) Weather Seal Windows N 1.29 0.41 35
QCASK-180ESC-ARG97-I89-3MM-(0.75)-GRL Weather Seal Windows N 1.29 0.38 34
QCASK-180ESC-ARG97-I89-3MM-(0.875) Weather Seal Windows N 1.3 0.42 36
QCASK-CL-ARG97-CL-ARG97-180ESC-3MM-(1.375) Weather Seal Windows N 1.17 0.41 38
QCASK-CL-ARG97-CL-ARG97-180ESC-3MM-(1.375)-GRL Weather Seal Windows N 1.17 0.37 36
QCASK-CL-ARG97-CL-ARG97-272-3MM-(1.375) Weather Seal Windows N 1.14 0.3 32
QCASK-CL-ARG97-CL-ARG97-272-3MM-(1.375)-GRL Weather Seal Windows N 1.14 0.28 31
QCASK-CL-ARG97-CL-ARG97-366-3MM-(1.375) Weather Seal Windows N 1.12 0.24 29
QCASK-CL-ARG97-CL-ARG97-366-3MM-(1.375)-GRL Weather Seal Windows N 1.12 0.22 28
QCASK-CL-ARG97-CL-ARG97-DI89-3MM-(1.375) Weather Seal Windows N 1.11 0.41 39
QCASK-CL-ARG97-CL-ARG97-DI89-3MM-(1.375)-GRL Weather Seal Windows N 1.11 0.37 37
QCASK-CL-KRY90-CL-KRY90-DI89-3MM-(1.375)-GRL Weather Seal Windows N 1.08 0.38 38
QCASK-180ESC-ARG97-CL-ARG97-I89-3MM-(1.375) Weather Seal Windows N 1.08 0.38 38
QCASK-180ESC-ARG97-CL-ARG97-I89-3MM-(1.375)-GRL Weather Seal Windows N 1.08 0.35 36
LCASK-CLR-ARG97-180ESC-3-0.875 Weather Seal Windows N 1.5 0.46 34
LCASK-CLR-ARG97-DI89-3-0.875 Weather Seal Windows N 1.35 0.47 37
LCASK-CLR-ARG97-DI89-3-0.875-GRL Weather Seal Windows N 1.35 0.42 34
LCASK-CLR-KRY90-DI89-3-0.875 Weather Seal Windows N 1.33 0.47 38
LCASK-CLR-KRY90-DI89-3-0.875-GRL Weather Seal Windows N 1.33 0.42 35
LCASK-180ESC-ARG97-I89-3-0.875 Weather Seal Windows N 1.28 0.42 36
LCASK-180ESC-ARG97-I89-3-0.875-GRL Weather Seal Windows N 1.28 0.38 34
LCASK-CLR-ARG97-CLR-ARG97-180ESC-3-1.375 Weather Seal Windows N 1.17 0.41 38
LCASK-CLR-ARG97-CLR-ARG97-180ESC-3-1.375-GRL Weather Seal Windows N 1.17 0.37 36
LCASK-CLR-ARG97-CLR-ARG97-272-3-1.375 Weather Seal Windows N 1.14 0.31 33
LCASK-CLR-ARG97-CLR-ARG97-272-3-1.375-GRL Weather Seal Windows N 1.14 0.28 31
LCASK-CLR-ARG97-CLR-ARG97-366-3-1.375 Weather Seal Windows N 1.12 0.25 30
LCASK-CLR-ARG97-CLR-ARG97-366-3-1.375-GRL Weather Seal Windows N 1.12 0.23 29
LCASK-CLR-ARG97-CLR-ARG97-DI89-3-1.375-GRL Weather Seal Windows N 1.11 0.38 37
LCASK-CLR-KRY90-CLR-KRY90-DI89-3-1.375-GRL Weather Seal Windows N 1.08 0.38 38
LCASK-180ESC-ARG97-CLR-ARG97-I89-3-1.375 Weather Seal Windows N 1.07 0.39 39
LCASK-180ESC-ARG97-CLR-ARG97-I89-3-1.375-GRL Weather Seal Windows N 1.07 0.35 37
WEATHERSEA1CA1LOE272/CLR/LOE272 Weather Seal Windows N 1.09 0.23 29
WEATHERSEA1CA1LOE272/CLR/LOE272-SDL Weather Seal Windows N 1.13 0.21 27
WEATHERSEA1CA1LOE272/CLR/LOE272-GRL Weather Seal Windows N 1.12 0.17 25
WEATHERSEA1CA1LOE272/CLR/LOE180 Weather Seal Windows N 1.1 0.24 30
WEATHERSEA1CA1LOE272/CLR/LOE180-SDL Weather Seal Windows N 1.14 0.22 28
WEATHERSEA1CA1LOE272/CLR/LOE180-GRL Weather Seal Windows N 1.13 0.18 25
WEATHERSEA1CA1LOE366/CLR/LOE180 Weather Seal Windows N 1.09 0.16 25
WEATHERSEA1CA1LOE366/CLR/LOE180-SDL Weather Seal Windows N 1.13 0.15 24
WEATHERSEA1CA1LOE366/CLR/LOE180-GRL Weather Seal Windows N 1.12 0.12 22
WEATHERSEA1CA1LOE272/CLR/I89 Weather Seal Windows N 1.15 0.24 28
WEATHERSEA1CA1LOE272/CLR/I89-SDL Weather Seal Windows N 1.17 0.22 27
WEATHERSEA1CA1LOE272/CLR/I89-GRL Weather Seal Windows N 1.21 0.19 24
WEATHERSEA1CA1LOE180/LOE180/I89-GRL Weather Seal Windows N 1.1 0.26 31
CASK-DG-LOE180-ARG97-I89(0.75) Weather Seal Windows N 1.26 0.41 36
CASK-DG-LOE180-ARG97-I89(0.75)-GRL Weather Seal Windows N 1.26 0.37 34
CASK-DG-CLR-ARG97-LOE180ESC(0.875) Weather Seal Windows N 1.49 0.46 34
CASK-DG-LOE180ESC-ARG97-I89,3(0.875) Weather Seal Windows N 1.27 0.42 36
CASK-DG-LOE180ESC-ARG97-I89,3(0.875)-GRL Weather Seal Windows N 1.27 0.39 35
CASK-DG-CLR-ARG97-LOE180ESC,3(0.875) Weather Seal Windows N 1.49 0.46 34
CASK-TG-CLR-ARG97-CLR-ARG97-LOE180ESC,3(1.375) Weather Seal Windows N 1.16 0.4 38
CASK-TG-CLR-ARG97-CLR-ARG97-LOE180ESC,3(1.375)-GRL Weather Seal Windows N 1.16 0.36 35
CASK-TG-CLR-ARG97-LOE272-ARG97-CLR,3(1.375) Weather Seal Windows N 1.15 0.3 32
CASK-TG-CLR-ARG97-LOE272-ARG97-CLR,3(1.375)-GRL Weather Seal Windows N 1.15 0.27 30
CASK-TG-CLR-ARG97-CLR-ARG97-LOE366,3(1.375) Weather Seal Windows N 1.11 0.25 30
CASK-TG-CLR-ARG97-CLR-ARG97-LOE366,3(1.375)-GRL Weather Seal Windows N 1.11 0.23 29
CAS-TG,CLR/CLR/LOE180 Weather Seal Windows N 1.29 0.4 35
CAS-TG,LOE180/CLR/LOE180 Weather Seal Windows N 1.11 0.36 36
CAS-TG,LOE180/CLR/LOE180-GRL Weather Seal Windows N 1.15 0.33 34
L-CAS-DG,LOE180/I89 Weather Seal Windows N 1.28 0.4 35
L-CAS-TG,CLR/LOE272/CLR Weather Seal Windows N 1.15 0.3 32
L-CAS-TG,CLR/LOE272/CLR-GRL Weather Seal Windows N 1.15 0.27 30
L-CAS-TG,CLR/CLR/LOE180 Weather Seal Windows N 1.14 0.4 38
L-CAS-TG,CLR/CLR/LOE180-GRL Weather Seal Windows N 1.17 0.37 35

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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® 

    Weather Seal uses SuperSpacer for all its manufactured windows, designed  specifically for the North American climate. SuperSpacer, provides the warmest, highest performance glass spacer on the market. SuperSpacer 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 delivers high wind load resistance, exceptional thermal performance, argon gas retention and long-term durability.
    Watch Video

     
    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
    Flat Keystone
    Colonial Keystone
    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 7/8" Slopped Sill