Steel and Glass Room Divider with Door Opening - How the Combination Works
A glazed partition that also lets you close a room sounds like a single purchase - but it is actually two separate decisions made in the right order. At Manufaktur X, the partition and the door are configured independently: the fixed steel-and-glass panel creates the opening, and a hinged loft door fills it. Get the sequence right and the two elements read as one seamless wall. Get it wrong and you are re-measuring a finished opening.
A steel-and-glass room divider with door combines two made-to-measure elements: a fixed partition with a planned walk-through opening, and a separately configured hinged loft door sized for that opening. Manufaktur X builds both from powder-coated steel and ESG or VSG safety glass, priced live in a 3D configurator and produced in the EU in 5-6 weeks.
The fastest way to understand how this works: open the partition configurator, enter your wall width and height, and add a walk-through opening - the 3D preview and fixed price update in real time.
Quick summary
When assessing tolerances, a distinction must be made between dimensional accuracy for the installation of the door or door frame (including EN 18100) and the quality of dimensional accuracy between the door frame and the door leaf (EN 18101) itself.
Source: Dimensional tolerances for door and window work | WEKA Media

- The combination consists of two elements: a fixed steel-and-glass partition with a planned walk-through opening, plus a hinged loft door sized for that opening.
- The partition itself carries no door leaf, handle or hinges - the walk-through opening is a planned gap with its own width and height, and it actually reduces the total price by replacing glazed area.
- Measure the opening at multiple points and always enter the smallest value; a hinged door also needs roughly 5 mm mounting clearance per side.
- One glass type runs across the entire partition - clear, frosted, smoked, dark smoked or structured - always as ESG or VSG safety glass. VSG is the practical choice for larger panes.
- Both elements are configured online with a live fixed price, powder-coated in any RAL colour, and produced in the EU in 5-6 weeks.
What you need to know before configuring
| Point | Why it matters |
|---|---|
| Partition and door are two separate configurations | The partition defines the opening; the loft door fills it. Matching RAL colour, glass type and bar grid makes the pair read as one wall. |
| The walk-through opening is a price lever | It has its own width and height and reduces glazed area - so a partition with an opening costs less than the same partition fully glazed. |
| Always use the smallest measurement | Walls in period apartments and new-builds alike rarely run perfectly straight. Measure at several points and configure to the tightest value. |
| The door swing arc is the most-forgotten dimension | A hinged leaf sweeps a full arc across the floor every time it opens. Furniture and radiators inside that arc turn a closable divider into a permanently half-open one. |
| One glass type, evenly spaced bars | The configurator applies a single glass type to the whole partition and spaces bars evenly - no field-by-field mix, no asymmetric grid. |

Three ways to divide a room with glass and steel
A room divider with a door is not a single product but a pairing: a fixed steel-and-glass partition provides the wall, and a hinged loft door closes its opening on demand. Three build routes lead to the same visual result, and choosing between them early prevents a second measuring round. Manufaktur X produces every variant made to measure in the EU, configured through an online tool that reprices instantly as you adjust dimensions. European homes increasingly call for exactly this kind of solution - across the continent, open-plan apartments averaging under 100 m² need walls that zone without blocking light (Source: Eurostat).
Permanent walk-through, no closing leaf
The simplest approach is a steel-and-glass partition with a walk-through opening that stays permanently open. Light, air and conversation move freely between zones. Nothing swings, nothing latches. This works well between a kitchen and a dining area, or where a hallway meets a living space and you want visual separation without ever needing to close anything.
Fixed partition combined with a hinged loft door
Most closable projects pair the fixed partition with a hinged loft door in a matching Crittall-style frame. The partition provides the opening; the door brings the hinges, handle and closing mechanism, sized for the gap you planned. Together they read as one glazed wall that shuts when you need focus or quiet - a home office in a period apartment, a bedroom in a loft conversion, or a study in an open-plan new-build.
Loft door as the sole divider

For narrower passages, the door itself becomes the partition. A single or double leaf - optionally with fixed side panels and a transom above - fills openings where a full separate partition would add unnecessary weight and cost. The planning is simpler and the result visually lighter.
| Solution | Closable? | Best for |
|---|---|---|
| Partition with open walk-through | No | Permanent zoning - kitchen to dining, hallway to living area |
| Partition plus hinged loft door | Yes | Home offices and bedrooms that need real acoustic and visual closure |
| Loft door with side panels as divider | Yes | Door-sized openings where a full partition would be oversized |
How the walk-through opening works - and what it does to the price
The walk-through opening is a planned gap inside the partition with its own width and height, set directly in the online configurator. Because it replaces glazed area, it actually lowers the total price - a counterintuitive but consistent pattern in our order data. You set it while configuring the partition itself: overall width and height first, then the dimensions of the passage inside it. The powder-coated steel frame runs around both the partition and the opening; there is no frameless variant. Everything around the gap is fixed. No leaf, no handle, no hinges on this element - anything that moves belongs to the loft door, configured separately.
Setting the opening dimensions in the configurator
Walk-through openings in completed projects typically land between 80 and 100 cm wide - roughly the span of a standard interior door across European homes. Taller openings work equally well; the steel frame follows whatever dimensions you enter, up to the full height of the partition. The 3D preview updates as you adjust, so you can compare a generously wide opening against a narrower one and see the price difference in real time.

Why an opening makes the quote cheaper, not more expensive
Glass is the largest cost driver in any partition. Every square metre you replace with open passage removes real money from the total. Widen the opening in the configurator and the live price drops in the same moment. It is the one customisation that pays you back: test a walk-through opening in the room divider configurator and watch the figure shift as you drag the dimension up or down.
Pairing the partition with a hinged loft door
The closing element in this combination is always a separately configured hinged loft door - single leaf, double leaf or pivot - sized to the partition's walk-through opening. Design continuity is what makes the pairing convincing: one RAL tone, one glass type, the same bar spacing. Four decisions take you from open gap to properly closing door.
- Fix the opening size first. Door dimensions follow from the walk-through opening - configure the partition, then size the leaf for the gap it leaves, not the other way around.
- Choose the leaf type. Single, double or pivot, depending on the opening width and how much free floor area the swing may use.
- Set hinge side, opening direction and lock. Choose left or right hinge, the direction the leaf swings to suit your room layout, and a magnetic lock that holds the door closed without a conventional latch.
- Mirror RAL colour, glass type and bar grid across partition and door so both elements read as a single glazed wall.
Single, double or pivot leaf

A single leaf covers openings up to roughly one standard door width and needs the least floor space when open. Double leaves split a wider passage symmetrically - each side swings a shorter arc, which helps in tighter rooms. Pivot doors rotate on a central vertical axis and suit generous openings where the movement itself becomes part of the design.
Hinge side, opening angle and magnetic lock
Choose the hinge side based on how you approach the opening: the leaf should swing away from the main walking route, never into it. One of three handle profiles - elongated, discreet or half-moon - gives you the grip, and the RAL powder coating covers handle and frame in the same colour.
Why matching codes across both elements matters
A near-identical grey reads as two different products standing next to each other. Identical RAL codes, the same glass type and the same bar spacing are what sell the illusion of a single continuous wall. Configure both elements in the same session and note every code before you close the browser.
Not sure which leaf type suits your opening? Compare single, double and pivot loft doors side by side - including hinge side, opening angle and all three handle designs.

Glass types, safety glazing and bar patterns
Any partition positioned next to a door opening is glazed in safety glass - ESG or VSG - in one of five glass types applied uniformly across the whole panel. The options are clear, frosted, smoked, dark smoked and structured. One type covers the entire partition; there is no field-by-field mix. Frosted glazing keeps a home office visually private while still passing daylight across the room. Clear glass keeps a compact apartment feeling open even when the door is closed. Smoked glass suits loft-style interiors where the glazing itself is part of the atmosphere.
Choosing by function, not just appearance
Start with what the partition needs to do. Privacy calls for frosted or structured glass. Atmosphere and tone call for one of the smoked options. Maximum light transmission means clear. Whichever you choose runs through every pane of the partition - the configurator does not allow mixing types within a single panel.
ESG or VSG - what the difference means in practice
Tempered ESG (per DIN EN 12150) shatters into small blunt granules on impact - safer than standard glass but the pane is gone. Laminated VSG (per EN ISO 12543) holds the broken fragments on its interlayer film, so a damaged pane stays standing until it is replaced. For a glazed wall that people brush past daily with a swinging door beside it, that breakage behaviour is more relevant than any visual difference. For larger panes, VSG is the practical recommendation.
| Property | ESG (tempered) | VSG (laminated) |
|---|---|---|
| On breakage | Disintegrates into small blunt granules | Fragments adhere to the interlayer; pane stays in place |
| Everyday feel | Standard choice for moderate pane sizes | Slightly calmer acoustics, marginally heavier build |
| Recommended for | Smaller fields and bar grids | Larger panes and busy passageways |
Bar patterns - evenly spaced, always
Horizontal and vertical bars are distributed evenly across the glazing. The configurator does not allow asymmetric grids or freely sized fields - a deliberate constraint that keeps the geometry calm and ensures the bar spacing on the partition aligns cleanly with the bars on the loft door beside it.

For partitions in loft spaces, I always specify safety glass with a bar pattern - it gives visual lightness, holds up to everyday contact near the opening, and preserves the industrial character my clients are after.
Lukas Brandt
Loft renovation specialist
Measuring an opening - the rules that prevent fitting problems
Take the width and height at several positions and enter the smallest value you find. Plastered walls in period apartment buildings bow, floors slope a few millimetres over two metres, and corners drift out of square over decades. The most common reason a custom partition does not fit is a measurement error, not a production fault - and our workshop data supports that directly: in around 70 % of partition and loft-door projects, customers measure a different width on the left and right side of the same opening. Steel holds its shape; the steel must therefore be sized for the wall's tightest reality, not its average. If you would rather hand this step to a professional, installation partners are available to handle on-site measuring and fitting.
Width and height - take three readings each
Measure the width at three heights - top, middle and bottom - and the height at three positions - left, centre and right. Record every number, then enter the smallest of each set into the configurator. That is the value production cuts to.
Clearance for the hinged door element
Reserve roughly 5 mm of mounting clearance per side for the loft door inside the walk-through opening. It is easy to forget because it sits inside the opening rather than outside it - but frame plus clearance together determine the maximum door leaf width.
Skirting boards, sockets, radiator valves

Anything that protrudes into the opening plane reduces its usable size: skirting boards at floor level, socket housings at roughly 30 cm height, radiator valves at the wall edge. Measure to the obstacle, not past it. A millimetre missed at a skirting board is a millimetre of interference with a steel frame.
- Width at three heights - record the smallest value
- Height at three positions - record the smallest value
- Roughly 5 mm clearance per side reserved for the hinged door
- Skirting boards, sockets, radiators and floor transitions checked inside the opening
- Free floor area confirmed along the full door swing arc
Planning mistakes that cause real problems
The mistakes that derail a glazed partition with door happen on paper - plan dimensions used instead of on-site readings, a door swing arc that was never drawn out, and a walk-through opening sized too narrow for practical daily use. Three recurring patterns show up consistently in our support inbox.
Plan dimensions versus the finished wall
An architectural drawing says 250 cm. The plastered, skirting-boarded, tiled reality measures two or three centimetres less at its tightest point. A made-to-measure partition built to the drawing is measurably too wide for the finished opening - rework or reordering at the customer's expense. Avoidance is straightforward: measure the finished wall with a tape measure, not the floor plan with a ruler. This applies equally to attic rooms with sloped ceilings and to standard rectangular openings in new-build apartments.

The door swing arc - tape it on the floor first
A 90 cm leaf sweeps a 90 cm arc across the floor every time it opens. A sideboard, a radiator, a desk chair inside that arc and the door lives permanently half-open - the closable divider you paid for behaves like an open one. The fix is simple and free: use masking tape to mark the full arc on the floor before ordering anything, then rearrange the room if needed.
A walk-through opening that is too narrow for real life
An opening sized to bare body width feels tight every single day and fails completely on moving day. A sofa that entered the apartment through a 90 cm front door will not pass a 65 cm internal opening. Use standard interior door widths as your reference - then remember that the steel frame plus roughly 5 mm clearance per side sits inside your measured opening, reducing the passage further.
Pricing, production and how to order
The price of the partition-and-door combination is driven by glazed area, bar count, glass type and the door element - all shown as a live fixed price in the configurator, with production in the EU in 5-6 weeks. Because Manufaktur X sells direct from the manufacturer, the figure on screen while you configure is the figure you pay. No showroom margin, no "bespoke surcharge" appearing at checkout. Unlike off-the-shelf furniture retailers where "custom" typically means "request a quote and wait", every parameter change here reprices instantly.
| Product | From | Note |
|---|---|---|
| Lofttür | 1.157 € | Lowest possible option |
| Raumteiler | 2.212 € | Steel + laminated glass, custom width |
| Großes Regal | 3.200 € | Solid wood, steel frame, floor-to-ceiling |
| Esstisch | 1.580 € | Solid wood, steel frame |
| Couchtisch | 1.155 € | Solid wood, steel frame |
| Sitzbank | 1.100 € | Solid wood, steel frame |
| TV-Board | 1.540 € | Solid wood, steel frame |
| Rohrregal | 1.065 € | Modular pipe shelf |
What drives the price of a partition with walk-through opening
More glazed area and more bars raise the total; non-clear glass adds a flat step; and the walk-through opening lowers it - the loft door element is configured and priced separately on top. Partitions start from 2,212 EUR in the standard configuration. Larger totals can be spread across instalments via Klarna.
EU production and delivery in 5-6 weeks
Both elements are manufactured in the EU in 5-6 weeks. Shipping costs and delivery lead times appear transparently in the cart before you commit - no estimate by phone, no surprises at the point of payment. EU-wide delivery means customers across Europe receive the same production quality and the same timeline.
- Configure partition and door element online - dimensions, glass type, bar spacing, RAL colour - with the fixed price updating as you adjust each parameter.
- Order both elements in one session so RAL tone, glass type and bar grid match from the start.
- Production runs in the EU workshop over 5-6 weeks.
- Delivery and installation - fit it yourself using the supplied instructions, or arrange an installation partner for the on-site work.
Why order from Manufaktur X
- Made to your exact dimensions: partition and door are produced to your measured opening, not adapted from a fixed size range.
- Direct from the manufacturer: configured online with real-time transparent pricing - no middleman, no hidden margin.
- Materials with traceable quality: S235JR structural steel powder-coated in any RAL colour, glazed in ESG or VSG safety glass - plus solid oak, beech and ash across the wider furniture range.
- 30+ years of furniture-making experience behind every frame that leaves production.
- EU-wide delivery: the same quality and 5-6 week lead time for customers across Europe.

Have your measurements but uncertain about one number? Send your dimensions via the contact page before ordering - a brief question costs nothing, and a re-measured wall costs time.
Frequently asked questions about glass-and-steel room dividers with doors
Can the partition have a sliding door instead of a hinged one?
No - the partition is fixed and the door element is always hinged, as a single, double or pivot leaf. Neither product carries a sliding mechanism. If a sliding solution is the only option for your space, this combination is not the right category.
How wide should the walk-through opening be?
Use common interior door widths as your reference and add the door frame plus roughly 5 mm mounting clearance per side. Also check the floor in front of the opening - a comfortable, usable passage needs a clear swing arc, not just an adequate gap in the partition.
Can the door glass be different from the partition glass?

Technically yes, because partition and loft door are configured as separate products - the partition itself always carries one glass type throughout its panes. In practice, most projects mirror glass type, RAL colour and bar spacing across both elements so the combination reads as a single wall rather than two adjacent products.
Do I need permission to install a glass partition with door in a rented apartment?
An interior partition of this kind is furniture-scale joinery, not a structural wall. Owners rarely need planning approval for it. Tenants should clear wall and floor fixings with their landlord and check local tenancy rules before drilling - requirements vary across European countries.
Who installs a steel-and-glass partition with door?
Confident DIY installers can mount it using the supplied instructions and a second pair of hands. Alternatively, installation partners handle the on-site fitting. The heaviest single component is the glazed frame, so plan the carrying route through the apartment before delivery day.
From measured opening to finished dividing wall
Two elements, one wall: the fixed partition defines the space, the hinged leaf decides when it closes. Plan the walk-through opening before the panels and the rest follows logically - dimensions, glass, bar grid, door leaf. The planning sequence is always partition first, door second, and the configurator is built to work in exactly that order.
If you have the smallest width and height values from several measuring points, you have everything the configurator needs. Set your dimensions and walk-through opening on the room divider product page, review the live fixed price, then configure the matching hinged loft door in the same RAL colour and glass type. Both are made to measure in the EU and delivered within 5-6 weeks.





