Steel Stairs for Duplex Units with Internal Access

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A duplex steel staircase is a custom-built steel stair that connects two levels of a split-level or duplex unit inside the home. It is made to measure after an on-site survey, so it fits the floor heights, opening and available space exactly.

What makes a duplex staircase different

A duplex unit usually has an internal staircase that links the lower living area with an upper level, and it often has to fit into a space that was never designed for a stair. Floor-to-floor height, the size of the opening and the position of walls and doors all shape what is possible. A standard stair kit rarely fits these conditions well, which is why a made-to-measure steel stair is often the better choice.

Steel offers strength in slim sections, so the stair can look light while still carrying daily use comfortably.

Common steel stair types for internal access

Several structures suit duplex homes, depending on the space and the look you want:

Straight stairs, simple and efficient for a narrow corridor
L-shaped or quarter-turn stairs, useful at a corner
Open-tread stairs, which let light and air pass through
Stairs with a central stringer, a clean modern option

Each type needs its own calculation of rise, run and landing, so the choice is best made together with the measurements.

Measuring and planning before production

Good results start with accurate measurements. We take the floor-to-floor height, the length and width available, the opening at the top, and any nearby doors or windows that the stair must clear. Photos of the area help us understand the layout before the visit.

After measuring, we prepare a drawing and a written specification so you can see exactly what will be built, and you approve it before production starts.

Safety: handrails, guards and step geometry

Safety is part of the design from the start. Handrails must be easy to grip and placed at a comfortable height on the sides where needed, and open sides of a stair need guarding. Step depth, height and nosing should be consistent so that every step feels the same underfoot.

The Israeli railing standard SI 1142 is the general reference for these elements. The exact values for your stair are checked with the engineer during planning, not assumed from a general rule.

Finishing for indoor use

Steel stairs for interior spaces are typically finished with a powder coating in the colour you choose, which gives a durable and even surface. Treads can be combined with wood, glass or other materials to match your interior. The finish is chosen with the look of the home and daily wear in mind.

From inquiry to installation

The process is straightforward. You send an inquiry with photos, we visit for on-site measurement, and we send a drawing and specification for approval. Once you approve, the stair is produced in our factory at Rival Street 37, Tel Aviv, finished, and then installed in your home. Each step is confirmed with you so there are no surprises on the day of installation.

Frequently asked questions

Can a steel staircase be made for an unusual opening?

Yes. Custom steel stairs are built after measuring your actual opening, so unusual shapes and tight spaces can be planned in detail. The drawing shows the result before anything is produced.

Do I need to send measurements before a visit?

Photos and an approximate height and space description help us prepare. Exact dimensions are taken during the on-site measurement so the stair fits precisely.

Are steel stairs suitable for a family with children?

They can be, when the handrails, guarding and step geometry are designed correctly. We review these elements with you during planning.

Will I see the design before production starts?

Yes. You receive a drawing and written specification and approve them before we begin manufacturing.

Common mistakes to avoid

Ordering a stair before measuring the full height and opening is the most common error, since it can lead to a stair that does not fit. Choosing a style without checking how it affects headroom and passage at the top can also cause problems.

Our recommendation

Measure floor-to-floor height at several points and note any obstacles at the top and bottom before asking for a quote. Share photos of the area so the layout can be planned early.

Summary

A duplex steel staircase is a made-to-measure solution for connecting two levels inside a home. Accurate measurement, a clear drawing and the right safety details lead to a stair that fits well and lasts.

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