Aluminum Mushroom Top Cap for Deck Railing Panels

Description

Aluminum Mushroom Top Cap for Deck Railing Panels

Aluminum Mushroom Top Cap is the upper rail profile used on aluminum deck railing panels. This profile is commonly used as a replacement top cap or for building new railing sections using compatible systems.

Also known in the industry as an HR-1 top cap, this extrusion is widely used across multiple aluminum railing systems and provides a clean, rounded handrail profile.

Dimensions

• Overall width: 2.500 in.
• Overall height: 1.625 in.
• Profile designed for snap-in bottom closure using top snap components

Available Lengths

• 6 ft. standard length
• 8 ft. standard length (approximately 95.25 in. before brackets are added)
• 289 in. full powder-coated extrusion (call for details)
• 288 in. raw unfinished mill extrusion (call for details)

Profile Names

• Commonly referred to as mushroom top cap
• Also known in the industry as HR-1 top cap
• Standard top rail profile used in many aluminum railing systems

Compatibility

• Fits Madden Industries deck railing and fence systems
• Compatible with other systems as well, check dimensions
• Does not fit over wood railing frames
• Mates with punched (holes for picket connection) or non-punched top snap to close off the extrusion
• Top snap links: Punched Snap or Non-Punched Snap

Used Across Railing and Fence Systems

This mushroom top cap profile is the standard top rail used across Madden aluminum railing and fencing systems, providing a consistent look and fit throughout all applications.

• Used on deck railing, porch railing, and fence panels
• Maintains a uniform top rail profile across different system types
• Simplifies repairs, replacements, and system expansions
• Compatible across multiple panel heights and configurations

Who This Is For

• Homeowners replacing a damaged or worn top cap
• Installers building or repairing aluminum railing panels
• Contractors working across multiple compatible railing brands
• Fabricators needing full-length extrusions for custom cutting

Important Installation Notes

• Ensure compatibility with your railing system before ordering
• Full-length extrusions require special handling and cutting
• Use with appropriate top snap components for proper closure

Shipping

• Shipping calculated at checkout (orders over $249 ship free)
• 289 in. powder-coated and 288 in. mill finish extrusions require calling for details due to shipping constraints