Lighting

The right lighting transforms your outdoor space from daytime gathering space to nighttime retreat. From under rail deck lighting to LED post cap lights and stair lights, RDI Railing lighting solutions are designed to elevate safety, style and atmosphere.

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Lighting that elevates the railing experience

See how integrated lighting adds warmth, definition and safety while keeping the design clean. Explore ideas for posts, stairs and gathering zones so the space feels welcoming long after sunset.

Why Add Lighting to Your Railing?

Increased Curb Appeal

Lighting instantly enhances the look of your outdoor space. Under rail lighting on a deck creates a soft glow, LED post cap lights add definition and stair lights highlight architectural lines. The result is a finished, intentional design that stands out day and night.

Safety

Deck stair lighting and under rail deck lighting improve visibility after sunset, helping guide guests and reduce trip hazards. When thoughtfully placed along stairs, posts and rail lines, lighting supports safer movement without sacrificing style.

Easy Design Upgrade

Lighting is a simple, high-impact upgrade. Whether you choose solar post cap lights for convenience or low-voltage under rail lighting, it’s an approachable investment that delivers dramatic results with minimal disruption.

Explore Lighting Options

  • RDI White Vinyl LED Post Cap Glowing at Dusk beside a Glass Panel Railing

    LED Post Caps

    Bathe your railing posts in warm, gentle light using reliable, long-lasting LED caps that add a refined finish after dark. The result is a cleaner look with better visibility.

  • RDI Black Angular Solar Post Cap Glowing on a Deck Railing at Dusk

    Solar Post Caps

    Add tasteful, warm lighting to your railing posts without the complication of added wiring. It’s an easy upgrade that helps outdoor spaces feel welcoming from dusk on.

  • RDI Side Stair Light Glowing on a White Railing Post beside an Under-Rail Light Strip at Dusk

    Dome Lights

    Add a soft pool of light at the post for a warm, welcoming glow. Designed to work with most systems, it elevates safety and ambiance without overpowering the look.

  • RDI Flush Deck Lights Illuminating Each Riser of a Staircase at Night

    Flush Deck Lights

    Create a subtle, built-in glow across the deck surface to define edges and gathering zones without visual clutter. It adds everyday safety and ambiance while letting the view stay the focus.

  • RDI Side Stair Lights Glowing on the Stringer of a Composite Deck Staircase

    Side/Stair Lights

    Add focused lighting along stairs and transitions to guide footing and reduce shadows after dark. Designed to work with most railing types, it boosts safety while keeping the look clean.

  • RDI Railing with Vertical Rod Infill and a Faint Under-Rail Light Glow at Dusk

    Under-Rail Lights

    Add a subtle, continuous glow along the rail line to improve visibility and ambiance. Designed to work with most railing types, it delivers safety and elegance while keeping the design clean.

  • RDI Tan Vinyl Railing with a Lit LED Post Cap, Under-Rail Lighting, and an Accent Light at Dusk

    LED Components

    Browse additional installation components for all LED lighting systems.