Metro Aluminum
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3400 Series Rafter-Purlin Skylight

Skylights
Thermally Broken
No
Glazing Type
Single, Double
U-Value
Dimensions

The 3400 Series is a versatile skylight framing system engineered for sloped glazing and overhead applications. Featuring a consistent 2" face width and multiple rafter and purlin sizes, it delivers both structural strength and architectural flexibility for daylighting solutions.

System Features:

Face Width: 2" (50.8 mm)

Purlin Size: 2" (50.8 mm)

Rafter Sizes: 2 1/2" (63.5 mm), 4" (101.6 mm)

Glazing: Single (5 mm / 6 mm) or double glazed (1" overall thickness).

Pressure Plate Options:

Captured pressure plate with exterior cap finish

Capless pressure plate for a streamlined appearance

Fiberglass pressure plate option for improved thermal performance

Material Strength: T6-temper aluminum

Finishes: Clear anodized, bronze anodized, black anodized, with custom anodizing and paint options available

Additional Compatibility:

Compatible with single and double glazed veneer systems for integrated design continuity

Applications:

Ideal for skylights, sloped glazing, and overhead installations requiring clean sightlines, thermal efficiency, and structural reliability.