Top Snap Mushroom - Punched
Top Snap Extrusion MSHRM

Aluminum Deck Railing Top Snap Rail Pre-Punched Extrusion

$30.56 – $40.23

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Pre-punched aluminum top snap rail extrusion designed for fast, consistent picket-to-rail installation in aluminum deck railing systems. Each extrusion includes pre-drilled holes aligned for picket fastener connections, reducing layout time and improving install accuracy.

Compatible with multiple railing configurations including mushroom top cap systems, bottom channels, and open-back screen rail applications. Available in standard and extended lengths, including 288 in. extrusions in both mill finish and powder-coated options.

  • Pre-punched with 2 holes per picket for fastener attachment
  • Designed for consistent 3.75 in. picket spacing
  • Compatible with mushroom top cap, 1×2 bottom channel, and 2×2 open-back rail
  • Available in 6 ft (72 in.), 8 ft (95.25 in.), and 288 in. lengths
  • Offered in raw mill finish and powder-coated options
  • Engineered for aluminum railing and screen rail systems
SKU: TSM Category:

Description

Aluminum Deck Railing Top Snap Rail – Pre-Punched Extrusion

Aluminum Deck Railing Top Snap Rail – Pre-Punched Extrusion is engineered for efficient installation and consistent picket alignment in aluminum railing systems. This extrusion features factory-punched holes for direct picket-to-rail fastening, eliminating the need for field drilling and reducing installation time.

Designed as a versatile top snap component, this extrusion integrates with multiple railing profiles including mushroom top caps, bottom channels, and open-back rails used in screen enclosures. Precision extrusion dimensions ensure a secure snap-fit and clean finished appearance.

Key Features

  • Pre-punched with 2 holes per picket for secure fastening
  • Maintains consistent picket spacing across railing sections
  • Extrusion width: 1.795 in.
  • Aluminum alloy construction for durability and corrosion resistance
  • Available in mill finish and powder-coated options

Available Lengths

  • 6 ft length: 72 in.
  • 8 ft length: 95.25 in. (accounts for bracket fitment)
  • Extended length: 288 in. extrusion (call for pricing)

Compatibility

  • Mushroom top cap systems
  • 1×2 aluminum bottom channel
  • 2×2 open-back rail (commonly used for screen rail applications)
  • Designed for use with aluminum pickets / balusters

Brand & System Compatibility

  • Commonly used with aluminum railing systems from Madden Industries and similar manufacturers
  • Compatible where top snap rail dimensions and picket spacing align
  • Verify extrusion width (1.795 in.) and hole spacing before use with non-Madden systems

Important Installation Notes

  • Pre-punched hole pattern is fixed and intended for standard picket spacing
  • Use appropriate fasteners for aluminum-to-aluminum connections
  • Ensure alignment with corresponding bottom rail or channel before fastening

System Options

  • Also available in non-punched version for custom layouts
  • Compatible with multiple railing system configurations

Technical Reference

  • Profile dimensions and tolerances available in engineering drawing (see reference photo)
  • Extrusion manufactured to consistent dimensional standards for system fitment

See profile drawing for exact dimensions and geometry

Shipping

  • Shipping calculated at checkout (orders over $249 ship free)

Additional information

Weight 0.00 oz
Dimensions 0.00 × 0.00 × 0.00 in
Handrail Length

6 ft., 8 ft.
House Colors

White, Charcoal Bronze, Hammered Black, Desert Tan / Clay

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