Custom Steel Staircase Frames for Interior Renovations

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A custom steel staircase frame is the load-bearing skeleton of a new staircase, cut, welded and finished to the exact dimensions of your home. It lets you change the layout or style of a stair during an interior renovation while keeping the structure safe and precisely fitted.

What a custom steel staircase frame includes

The frame is the structural body of the staircase: the stringers that carry the treads, the landings, the supporting brackets and the connections to the floor and wall. In an interior renovation it is often the part that decides how the finished stair will look and feel, because the treads, cladding and railings all attach to it.

Because every frame is made to measure, the steel can follow the real opening in your floor and the rise and run you want, rather than forcing your home to fit a standard kit.

Why steel suits interior staircases

Steel offers strength with slim profiles, so the stair can look light and open while still carrying the loads it must. It also allows narrow stringers, floating-look designs and clean connections that are hard to achieve with heavier materials.

Slim, strong sections for open designs
Precise welded joints for a solid feel underfoot
Finishes that suit modern and classic interiors

Planning the frame during your renovation

The best time to decide on a steel frame is before the floor finishes and wall works are complete. Tell us where the staircase will sit, the direction it turns, and the finished floor level on each side of the opening. Share photos and any drawings from your architect or interior designer.

Early planning helps avoid surprises such as a stair that is too steep for the space or a landing that cuts into a doorway.

Our process from measurement to installation

We begin with an inquiry and photos, then carry out an on-site measurement to capture the real dimensions of the opening and surrounding walls. From these measurements we prepare a drawing and a written specification for your approval.

Once approved, the frame is produced in our factory at 37 Rival Street, Tel Aviv, and finished with hot-dip galvanizing or powder coating, depending on the location and look you choose. The frame is then installed on site.

Safety and standards

A staircase must be safe for daily use, including its railings and guards. Railings in Israel are governed by the standard SI 1142, which sets general requirements for guards and handrails. Exact values for heights, spacing and loads should always be confirmed with your structural or safety engineer for your specific project.

We design the frame to work with the railing system you choose, so that the fixing points and steel sections are planned from the start.

Finishes and coordination with your interior

The steel frame is usually hidden behind treads and cladding, but its finish still matters for durability and maintenance. Hot-dip galvanizing protects against corrosion, while powder coating offers a wide range of colors for visible parts such as railings and exposed stringers.

Coordinate early with your interior designer or contractor so that the tread material, wall finish and frame connections are all aligned before installation begins.

Frequently asked questions

Can a steel staircase frame be fitted into an existing opening?

Yes, the frame is designed from on-site measurements of the existing opening and surrounding walls. We confirm the exact fit before production starts.

Do I need an engineer for a steel staircase?

For structural decisions and safety values such as loads, heights and spacing, we recommend confirming with a qualified engineer for your specific project.

Which finishes are available for the frame?

Common options include hot-dip galvanizing for corrosion protection and powder coating in a range of colors. The right choice depends on where the staircase is and how it will be used.

How do I start a project with you?

Send us an inquiry with photos of the area and any plans you have. We will arrange an on-site measurement and then prepare a drawing and specification for your approval.

Common mistakes to avoid

Ordering the frame before the floor levels and opening size are final can lead to misfit steps. Leaving out the railing and cladding plans until late often causes changes to the steel connections.

Our recommendation

Measure the opening and the finished floor levels after the rough works are complete, and share them with the frame planning from the first stage. Confirm railing and safety values with your engineer before the drawing is approved.

Summary

A custom steel staircase frame gives an interior renovation a precise, strong and flexible structure built to your home's dimensions. Planning it early with accurate measurements leads to the best result.

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