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Internals · Updated 2026

Steel-look internal doors: growing demand

Joiners and interior teams are using internal aluminium screens for light, zoning and glazed room division without making spaces feel closed down.

Where the demand is coming from

Steel-look internal doors began as a high-end residential look and have moved into mainstream specification. Three jobs drive most of the enquiries now: open-plan reconfigurations that need a glazed divide without losing light, period properties after a Crittall-style aesthetic, and commercial fit-outs splitting floorplates into meeting rooms and breakout zones.

Enquiries have shifted from one-off feature pieces to multi-door packages. Builders and joiners are pricing single and double leaf sets, fixed sidelights and full glazed partition runs off one slim sightline. Our steel-look internal doors sit in that bracket: thermally broken aluminium framing, narrow profiles, single or double glazed depending on the application.

  • Open-plan kitchen and living splits that keep sightlines and borrowed light
  • Hallway and study screens in period and new-build housing
  • Office, studio and retail partitioning for acoustic and visual separation

Why aluminium over actual steel

The look sells, but the material decides the margin. Aluminium gives the slim black sightline buyers want without the weight, corrosion risk and lead times of fabricated steel. Powder-coated frames hold their finish, and the lighter sections are quicker to handle on site, which keeps fix times down.

Aluminium also carries a factory finish across a project where the powder-coat batch is matched. Specify the internal screens alongside external aluminium glazing and the building reads as one system. For schemes already running aluminium sliding doors or curtain walling, the steel-look range carries the same colour and detailing inside.

Spec points that protect the order

Glazing is the main variable. Internal screens at low level or in door leaves usually fall in critical locations that call for safety glazing, so confirm where toughened or laminated glass is required before you quote the glass spec. Agree it in writing with the specifier.

Settle single versus double glazing early. Single glazing keeps sightlines at their slimmest and suits a purely visual or light-borrowing divide. Double glazing adds weight and cost but gives acoustic separation, which matters for studies, offices and bedrooms off open-plan space.

Hardware and swing direction drive the rest. Confirm handing, hinge type, latch or lock requirement and any flush-bolt for double-leaf sets at survey. Retro-fitting ironmongery on a slim aluminium section is awkward and visible.

How to price the trend without overcommitting

Treat steel-look internals as a configurable system, not a fixed catalogue item. Quote per leaf and per linear metre of screen, then add glazing upgrades and hardware as line items so the customer sees what each choice costs. That holds a competitive headline price while protecting margin on the extras.

Lead with what the trade buyer is judging: sightline width, finish durability, glazing options and survey-to-fit turnaround. We supply to the trade only and route homeowner enquiries to vetted installers, so your quote stays your quote. Send drawings or a site list through our quote page and we will price the package against your programme. Homeowners reading this should use find an installer to reach a vetted fitter.

Common questions

Are steel-look internal doors actually made of steel?

No. Our steel-look range is thermally broken aluminium, powder-coated to give the slim black Crittall-style sightline without the weight, corrosion risk and longer lead times of fabricated steel. Aluminium is lighter to handle on site and holds a consistent factory finish where the powder-coat batch is matched, which is why most trade specs now choose it.

Do internal steel-look doors need safety glass?

Often, yes. Glazing in door leaves and in screens at low level usually falls in critical locations that require toughened or laminated safety glass. Confirm the exact requirement with the specifier and agree it in writing before you price the glass, since the answer depends on the height and position of each glazed panel.

Single or double glazing for an internal screen?

Single glazing keeps sightlines slimmest and suits a purely visual divide that borrows light between rooms. Double glazing adds weight and cost but gives acoustic separation, so specify it for studies, bedrooms and offices off open-plan space. Decide early, because it affects frame sizing, hardware and price.

Can the internal doors match our external aluminium glazing?

Yes. Because the steel-look range is aluminium, it takes the same powder-coat colours and detailing as external aluminium sliding doors, casement windows and curtain walling. Specify one RAL across the package and the building reads as one system inside and out. Send the full schedule so colour and finish are matched in a single production run where possible.

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More VitrineAlu trade guidance

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Bring light into living.

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