Steel Stair Riser 4 Step Stringer for 35in Deck - Powder Coated Black

In this review of the Steel Stair Riser 4 Step Stringer, the bottom line is simple: it is a practical, heavy-duty option for anyone building outdoor deck stairs who wants a durable metal frame that will not rot. The kit includes three pre-drilled 4-step stringers finished in corrosion-resistant powder-coated black, and its standout trait is clear strength and weather resistance, with a stated 500 lb load capacity and a finish designed for outdoor exposure. It is best for DIYers or contractors looking for a reliable metal base to attach wooden treads.

Key Features

• Premium Material: The steel construction with a powder-coated black finish resists rust and harsh outdoor conditions for long-term use.
• Complete Installation Kit: Each package ships with three 4-step stringers plus set screws for concrete and screws for treads so installers have the core hardware included.
• Easy to Install: Pre-drilled holes and clear spacing guidance make layout straightforward when keeping stringer spacing under 3 ft and the first tread 9 in below the deck.
• Heavy-Duty Capacity: Engineered to support up to 500 lbs, the metal stringers deliver dependable strength for everyday foot traffic and loaded trips up and down.
• Versatile Outdoor Use: The design suits decks, patios, and garden paths, providing a neat, professional-looking stair framework.

Who It's For

The Steel Stair Riser 4 Step Stringer is aimed at homeowners, DIY enthusiasts, and small contractors who need a robust, weather-resistant stair frame for a 35 in deck height and prefer metal over wood to avoid rot and frequent maintenance. It suits projects where wooden treads will be attached separately and where a powder-coated finish is desired for appearance and corrosion control.

Those who should look elsewhere include buyers who want fully finished stairs with treads included or installers requiring custom rise/run geometry beyond the 4-step, 35 in configuration. Also, if fine-thread fastener quality is a critical concern, double-check the supplied screws before beginning the job, as some customers reported mixed experiences.

Pros & Cons

Pros

• Solid build quality and durable finish that resists outdoor wear and rot compared with wood stringers.
• Clear installation guidance and pre-drilled holes speed layout and mounting for typical deck setups.
• Includes the core hardware in a complete kit so installers receive three stringers and necessary screws.
• High load rating provides confidence under regular use and when carrying loads.

Cons

• Some users report issues with screw quality and with attaching treads, so expect to verify or replace fasteners for a clean installation.
• The design may not satisfy installers who need alternative step geometry or a fully finished stair; treads must be purchased separately.

Specifications

Brand	DIYHD
Product Type	4-step steel stair stringer
Deck Height	35 in
Finish	Powder coated black
Load Capacity	500 lbs
Quantity	3 pcs per package
Included Hardware	Set screws for concrete and screws for attaching wooden treads

Our Verdict

The Steel Stair Riser 4 Step Stringer is a sensible buy for anyone who needs a sturdy, weatherproof metal stair framework for a 35 in deck and plans to attach their own wooden treads. It offers good value through durable construction and a complete kit, though installers should be prepared to confirm fastener quality and accommodate the fixed 4-step geometry.

Frequently Asked Questions

Do the treads come with the stringers?
No, wooden treads are not included; the package contains three steel stringers and fasteners only.

What spacing do the stringers require?
Maintain no more than 3 ft between two stringers and position the first tread 9 in below the deck surface as recommended.

Can these support heavy loads?
Yes, they are rated to support up to 500 lbs when installed according to instructions.