Alumaster MPI – a zero-threshold magnetic sill for pivot doors. New for 2026.

Alumaster MPI is a new addition to Alumaster’s 2026 product range — a magnetic, barrier-free zero-threshold sill for pivot doors, designed for repeatable implementation in production (no sill milling required).

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Alumaster MPI is a new addition to the company’s 2026 portfolio – a magnetic, barrier‑free zero threshold for pivot doors, designed for repeatable implementation in production (no threshold milling required). Exterior pivot doors can feature a 0.0 mm threshold and remain airtight – provided that the system’s bottom and top sealing components are used.
In testing, a pivot door sized 1500 × 2800 mm achieved: EN 12207 class 4, EN 12208 class 7B/4A, EN 12210 class C4.
Below, we explain what this means in practice and how to choose the appropriate Alumaster MPI 10/1–10/3 variant.

External pivot doors — a premium trend that’s coming of age

Just a few years ago, pivot doors were limited to a handful of bold, one-off projects. Today, they’re increasingly becoming a standard choice in the premium segment: the entrance is expected to impress, feel modern, and be refined in every detail. Pivot hardware makes it possible to design large, tall door leaves that—despite their size—open smoothly and still look visually light.

As pivot doors become more popular, architects’ and investors’ expectations are rising. Looks alone are no longer enough — performance and predictability matter: repeatable implementation, stable installation, and test-proven results.

What’s driving demand for pivot doors?

1) Scale and proportions — a “grand entrance” as a signal of prestige

The premium market is moving toward larger formats: tall glazing, tall doors, and expansive surfaces. Pivot doors support this direction by enabling door leaves that create a strong visual impact already from the driveway.

What does this mean for the manufacturer?
Larger dimensions mean greater responsibility: the structure, stability, and operating quality must be “premium” not only visually.


2) Minimalist detailing — less visible hardware, more clean lines

Modern designs win with minimalism: smooth surfaces, concealed solutions, and fewer visible elements. Pivot doors fit this naturally — they read as part of the architecture rather than a conventional door.

What does this mean for the manufacturer?
Minimalism raises the bar: small imperfections become more visible, and premium clients expect a “clean” final result.

3) Comfort and accessibility — a 0.0 mm threshold is becoming the standard

We’re entering a stage where pivot doors are expected to be more than just a “wow effect” — they need to be comfortable in everyday use. Accessibility is increasingly becoming a requirement: a 0.0 mm zero threshold, a smooth step-free passage, and ease of use for children, older users, and strollers or wheelchairs.

What does this mean for the manufacturer?
As pivot doors become an everyday, user-focused solution, customers expect the same level of reliable performance as in the best exterior entrance doors.

Pivot doors vs. exterior door requirements: air, water, and wind.

In conversations with architects and investors, questions about testing and standards come up more and more often — especially when pivot doors are expected to perform in real-world conditions (wind, rain, temperature differences). Most often, the discussion focuses on three areas:

  • air permeability (comfort, no drafts, stable performance),
  • watertightness (wind-driven rain, exposure of the entrance zone),
  • wind resistance (large door leaves, stable operation).

A pivot door has to combine architectural impact with results that can be benchmarked and reliably repeated — ideally confirmed by testing.

How is a pivot door different from a hinged door?

In traditional doors, the pivot axis is located at the edge of the door leaf. In pivot doors, it is shifted inward, closer to the center, which means that the movement path during opening and closing is different.

In practice, this means, among other things:

  • different behavior of the gaps between the leaf and the frame at various stages of movement,
  • different loads in the entrance zone (wind, leaf weight, intensive use),
  • greater sensitivity to detailing at the bottom and top: sealing has to work as a system, not as a single component.

A 0.0 mm zero threshold in pivot doors: how to combine minimalism with tight sealing?

A 0.0 mm threshold delivers a light, barrier-free effect — but it also raises the requirements for sealing. This is the moment to move from inspiration to engineering: implement a solution that is:

  • consistent with a 0.0 mm threshold design,
  • feasible for serial production,
  • predictable on site,
  • meets requirements confirmed by testing.

Alumaster MPI — a magnetic zero-threshold sill for pivot doors (New for 2026).

Alumaster MPI it is a magnetic, barrier‑free zero threshold for pivot doors, designed as a system — so that every component of the solution is repeatable in production and predictable during installation.

Key implementation features:

  • no sill milling required — fewer critical operations, faster and simpler installation,
  • modular design — easier adaptation to different constructions and installation conditions,
  • complete bottom and top sealing — tailored to the specific motion of pivot doors,
  • improved thermal insulation thanks to profiles with a thermal break.

Thanks to this, pivot doors can be treated not just as a trend, but as a product that can be standardized within a manufacturer’s range.

Test results for MPI 10 (1500 × 2800 mm): EN 12207, EN 12208, EN 12210.

The test was carried out on a wooden pivot door measuring 1500 × 2800 mm, using the MPI 10 system.

ParametrStandardResultWhat it means in practice
Air permeabilityEN 12207Class 4The highest class: fewer drafts, greater comfort.
WatertightnessEN 12208Class 7B (up to 300 Pa) and class 4A (up to 150 Pa).resistance to wind-driven rain in the entrance zone.
Wind resistanceEN 12210Class C4stable operation of a large door leaf, maintaining performance parameters.

Conclusion: pivot doors can be both impressive and technically refined — as long as they’re backed by a tested, repeatable solution.

MPI is available in the MPI 10/1, MPI 10/2, and MPI 10/3 variants, making it possible to match the sill to the design assumptions and the chosen drainage approach in the entrance zone.

What does a manufacturer gain by implementing the MPI zero-threshold sill in pivot doors?

  • Standardized detailing — less reliance on “handmade” solutions and the experience of individual teams.
  • Repeatable results — it’s easier to maintain a consistent level of quality across projects.
  • A premium sales argument — instead of “that’s how it’s done,” you can point to standards and performance classes.
  • Lower risk of complaints — covering the key performance areas for exterior doors: air, water, and wind.
  • Aligned with the 0.0 mm threshold trend — without elements that compromise the aesthetics.

How to choose the right MPI 10/1–10/3 variant?

It’s best to base the sill variant selection on:

  • the door leaf size and weight,
  • the construction material (e.g., timber/aluminium/hybrid),
  • the 0.0 mm threshold design concept,
  • the drainage method in the entrance zone.

Based on this, you select the variant (MPI 10/1–10/3) and the full set of components.

External pivot doors are now one of the strongest trends in the premium segment. If you want to add pivot doors with a 0.0 mm threshold to your range—or bring order and predictability to sealing in premium projects—let’s talk about your design.

We’ll tailor the solution to the door’s real operating conditions, dimensions, and target performance parameters—so your pivot door isn’t just a “wow effect,” but a repeatable, scalable product in your range.

Do you have a pivot door project with a zero threshold? Send us your assumptions—we’ll get back to you with a technical recommendation.

Would you like to see how the COMBI system can optimize your production as well?

We are happy to share our experience and help you choose a solution tailored to your door designs.

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