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    Home Our Systems Centre Glazed (Narrowline) Framing Systems AGS Commercial 425 Narrowline Double Glazed (101.6mm)
    AGS Commercial 425 Narrowline Double Glazed (100mm) Corner Image.
    Commercial

    AGS Commercial 425 Narrowline Double Glazed (101.6mm)

    The AGS 425 Narrowline framing system was developed specifically to cater for the growing requirement for energy-efficient double glazing.

    Download Brochure WERS Rating
    Residential Commercial
    Declare Label
    Certified
    Acoustic
    Rated
    BAL 40
    Tested
    Image Gallery Key Features Details Downloads Compatible Products More Products
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    Caves external
    Boon Residence | Capral Aluminium Dining/Kitchen
    Boon Residence | Capral Aluminium - Kitchen
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    Capral's Project Centre House using Capral window and building systems.
    Capral's Project A Pavilion Between Trees using Capral window and building systems.
    Capral's Project A Pavilion Between Trees using Capral window and building systems.
    Capral's Project A Pavilion Between Trees using Capral window and building systems.
    Capral's Project Burwood Brickworks using Capral window and building systems.
    Capral's Project Burwood Brickworks using Capral window and building systems.
    Capral's Project Glen Iris Residence using Capral window and building systems.
    Capral's Project Glen Iris Residence using Capral window and building systems.
    Capral's Project Glen Iris Residence using Capral window and building systems.
    Capral's Project Glen Iris Residence using Capral window and building systems.
    Capral's Project Five Yards using Capral window and building systems.
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    Key features
    • Dedicated double-glazed 101.6mm x 50mm centre-glazed frame
    • Suits most commercial or architectural applications requiring improved thermal characteristics
    • Crisp, narrow, unbroken lines for clean aesthetics
    • Captive glazing wedge options for easier on-site glazing
    • Supports various glass thicknesses with the use of an adaptor
    • Sub-frame options
    • Compatible door and window suites are available
    • Internal and externally beaded options
    • Dedicated corner posts
    • Tested for BAL 40 compliance

    The AGS 425 Narrowline framing system has been developed specifically to cater for the growing requirement for energy-efficient double glazing. Modelled on the AGS 400 Narrowline framing system, the 425 Narrowline integrates seamlessly, allowing design flexibility between single and double-glazed systems.
    With a wide range of compatible doors and operable windows, the AGS 425 Narrowline offers generous design flexibility, making this product ideal for commercial or residential projects requiring a bold modern look and high structural and thermal performance levels.

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    Details

    Product Specs
    Configurations
    Arrangements

    Maximum Product Sizes

    Panel Height (mm) 4000
    Panel Width (mm) 2400

    Frame Dimensions (mm)

    Frame depth (mm) 101.6
    Face Width (mm) 50

    Acoustic Rating

    Rw (C;Ctr) 41 (-2;-6)

    Maximum Product Performance

    SLS (Pa) 4500
    ULS (Pa) 9700
    WATER (Pa) 1500

    Glazing Details

    Single Glazed 4 - 10
    Double Glazed 18 - 29
    Thick Glazed 10 - 16

    Single and thick glazed with the use of adaptors

    Energy Performance

    Uw Range 2.29 - 5.77
    SHGC Range 0.10 - 0.66
    Tvw Range 0.05 - 0.77
    Air infiltration 0.04 - 0.04
    WERS Rating
    Residential Commercial

    Downloads

    Technical Documents, CAD & Revit
    Other
    Technical Manuals
    Technical Manual AGS 425 Narrowline
    Technical Manual AGS Sub Frames
    Wall Charts
    Extrusion Wall Chart AGS Narrowline Framing Systems
    Extrusion Wall Chart AGS Speciality Sub Frames
    Extrusion Wall Chart AGS Sub Framing
    BIM Files
    Revit AGS Narrowline Framing
    Revit Capral Subframes
    CAD Files
    CAD Files AGS 425 DG Narrowline
    CAD Files AGS Sub Frames
    CAD Wall Chart AGS Narrowline Framing
    CAD Wall Chart AGS Sub Framing
    Bulletins
    PBJ1064 - Concealed End Dam for 400/425 Narrowline Sub Sills
    PB467 - Head Flashings
    PB337 - AGS Narrowline Relaunch
    PB305 - Urban Plus to AGS Couplers
    PB257 - 9mm Glazing Wedge
    Other
    Capral_ArchitecturalSeries_Whitepaper Capral-AGS-425-Narrowline_Brochure-1 Specification AGS 425 Narrowline Double Glazed Capral Installation Details
    NATSPEC Branded Work Section
    Environmental Protection Declaration (EPDs)
    EPD-IES-0031050:001 LocAl Version: 1 (2026-05-28)
    EPD-IES-0032247:001 LocAl SG Version: 1 (2026-06-12)

    Compatible Products

    Systems
    AGS Commercial 480 Sliding Window (100mm) Corner Image. AGS Commercial 480 Sliding Window (101.6mm)

    The AGS 480 Sliding Window incorporates the features and flexibility of a residential window system into the commercial grade AGS 400/425 Narrowline framing systems.

    Capral's AGS Commercial 481 Double Hung Window (100mm) Corner Image. AGS Commercial 481 Double Hung Window

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    The 482 Awning Window incorporates the features and flexibility of a residential window system into the commercial grade AGS 400/425 Narrowline framing systems and 100mm Flushline framing systems.

    AGS Commercial 488 Tilt-and-Turn Window Corner Image. AGS Commercial 488 Tilt-and-Turn Window

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    Capral's AGS Commercial 35 Awning Sash Corner Image. AGS Commercial 35 Awning Sash

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    More products from this range

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    AGS Commercial CW150 150mm Curtain Wall Corner Image. AGS Commercial CW150 150mm Curtain Wall

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    Capral's AGS Commercial 482 Awning Window Corner Image. AGS Commercial 482 Awning Window

    The 482 Awning Window incorporates the features and flexibility of a residential window system into the commercial grade AGS 400/425 Narrowline framing systems and 100mm Flushline framing systems.

    AGS Commercial 300 Narrowline Single Glazed (76mm) Corner Image. AGS Commercial 300 Narrowline Single Glazed (76mm)

    The AGS 300 Narrowline’s slimline frame depth makes it ideal for lowrise commercial applications

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    AGS Commercial 625 Narrowline Double Glazed (150mm) Corner Image. AGS Commercial 625 Narrowline Double Glazed (150mm)

    The AGS 625 Narrowline offers an increased level of structural performance than the AGS 425 Narrowline with its bolder 150mm frame depth and increased 50mm face dimension.

    AGS 325 Narrowline Double Glazed (76mm) Corner Image. AGS Commercial 325 Narrowline Double Glazed (76mm)

    The AGS 325 Narrowline double-glazed aluminium framing system's slimline frame depth and ability to accommodate a captive glazing wedge make it an economical option for architectural projects.

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    AGS Commercial 600 Narrowline Single Glazed (150mm) Corner Image. AGS Commercial 600 Narrowline Single Glazed (150mm)

    The AGS 600 Narrowline offers an increased level of structural Performance than the AGS 400 Narrowline with its bolder 150mm frame depth and increased 50mm face dimension.

    AGS Commercial 450 Narrowline Wide Pocket (101.6mm)

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    AGS Commercial 601 Narrowline Offset Single Glazed (150mm) Corner Image. AGS Commercial 601 Narrowline Offset Single Glazed (150mm)

    The AGS 601 Narrowline framing system delivers increased structural performance with the 150mm frame depth while maintaining a typical external appearance.

    AGS Commercial 400 Narrowline Single Glazed (100mm) Corner Image. AGS Commercial 400 Narrowline Single Glazed (101.6mm)

    The AGS 400 Narrowline framing system has set the standard for centre-glazed framing for over two decades.

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