48″ Lighted Cast Iron Riser

Solid cast iron stair tread with traditional details like a 1″ diameter round nosing with ogee turn down lip and fully contoured diamond traction relief pattern on stepping surface. Standard finish is paint free rust converted black patina.

Nominal Tread Width: 48″
Casting Width: 48″ +0″, -1/8″
Material: ASTM A48 Class 25, Grey Cast Iron
Weight: 52 lbs.
Finish: Black Max, Natural Rust Converted Patina
Availability: Made to Order
Lead Time: 10 weeks
Minimum QTY: 10
List Price: $484.07

Out of stock

Request a Quote

Castings must be quoted as project quantities for construction trades. Utilize the Request a Quote button to send an RFQ by web form or e-mail Richmond Iron to get a quotation.


A lighted cast iron riser with glass prisms to reveal illumination from backlighting by others. When used with The University solid cast iron stair tread our standard lighted riser is compatible with stair rises of 6 1/2″ to 7″ since The University stair tread has a turn down lip which hides the height allowance gap between the top of the riser and the underside of the tread. Our standard lighted cast iron riser is non structural and can be used with any self supporting tread supplied by others.


– Non structural. The Lighted Cast Iron Riser has bolt holes on the ends for attachment to stringers, but it is not intended to support the tread.

– The riser casting is 5 5/8″ tall plus 1/8″ and minus 0″ tolerance. When used with The University cast iron tread the step rise can be 6 1/2″ to 7″.

– Glass prisms are nominally 1 5/8″ diameter and 3/4″ thick and installed using black tinted two part epoxy which is flow filled in the gap for a clean and durable cast iron and glass assembly.

– Includes 7/16″ drilled and countersunk holes for 3/8″ fasteners. Fasteners not included.

– Finished with durable rust converted black iron patina for easy to maintain “no paint” finish. Black iron patina finish maximizes the inherent no-slip properties of sand cast iron with diamond relief pattern. Optionally furnished as bare metal casting ready for paint coating by others.

Manufacturing and Availability:

The Lighted Cast Iron Riser is cast in our foundry from 100% recycled scrap iron and steel and standard widths are available as made to order and shipping from the foundry typically within 10 weeks. The rust converted patina typically requires a minimum of 6 weeks time for proper rust bonding and patination must be done prior to installation of glass. Other finishes are not offered, but unfinished castings and glass may be purchased for customer coatings and installation of glass.

Standard widths are any 2″ increment from 36″ to 54″.  The most common widths are 36″ and 48″.

Castings are shipped by LTL carrier motor freight to tractor trailer truck accessible business addresses only. Notification delivery and power lift gate service can be provided, but appointment deliveries or deliveries to job sites without set down yards are not supported and the customer must provide shipping.


Castings are offered for sale to construction trades on a project basis and must be quoted for size and project quantity. Shipping details must be provided to include freight in quote.

Data Sheets and Drawings

Richmond Iron Product Data Sheet, PDF:

Product Data Sheet Link (PDF)

2D CAD drawing of casting product, PDF:

Casting Drawing Link (PDF)

2D CAD drawing of typical assembly, PDF:
Product data sheet for coating or finish, PDF:

Product Data Sheet Link (PDF)

Additional Information

Applications and usage of Black Max rust conversion patina. 

Link to example project using tread and riser castings from Richmond Iron.