EXCLUSIVE
DOOR SYSTEMS
since 2013

Concealed door frames
and DORSIS doors.

From architectural visions to masterful execution.

Complete in-house production and top-notch technical support from design to installation.

Products
DORSIS.

Dorsis relies on its own production hidden door frames and doors DURUS 45FORTIUS 52 (concealed / frameless). A concealed frame allows the door leaf to blend into the wall and maintains the continuity of the surfaces. The same logic is followed by LINUS hidden skirting boards – clean wall-floor transition without added profiles.

For space variability they are here sliding doors and unlined BELPORT construction casesAnd when the division of space is to be part of architecture, it comes to pivot door AXONDIGERO frame partitions. Readable boundary, light, quiet zone.

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References
DORSIS.

House in a draw Residential housing Vacenovice Cultural Center Residential housing Villa SARRA Residential housing Family house near Prague Residential housing Family house in the Highlands Residential housing Exclusive door systems in the apartment of an art lover Residential housing Exclusive door systems in the old attic studio Residential housing Prague British International School Residential housing, Commercial projects Family and corporate headquarters Eko modular Residential housing, Commercial projects Home with a touch of minimalism, Jihlava Residential housing

Confidence in every step.

At Dorsis, this means that the entire process follows one order - from design to the final adjustment on site.
It's not just a "nice detail", but an interplay of decisions that follow each other and work in reality.

We start with a projection: together with the architect or investor, we clarify the purpose of the space, the continuity of the structures, and the desired expression.
This is followed by a technical solution and preparation of the materials for construction so that everything can be done cleanly and without improvisations during the process.

In production, decisions from the design are then translated into specific elements: structure, surface, detail. Everything is managed so that the result is legible and repeatable, not dependent on chance.
Assembly is the final stage where the design meets the space – installation, adjustment, final alignment of connections and work with details on site.

The result is a space that feels natural – everything connects, nothing is left out.

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DESIGN unlined door frames

Concealed door frames DURUS 45FORTIUS 52 manufactured by DORSIS sro Hidden door frames meet modern trends in architecture and living style. These door frames are an option for those who prefer a clean and unobtrusive design.

concealed door guard for invisible doors

CONSTRUCTION of hidden door frames

Invisible hidden door frame by DORSIS sro is made of aluminum alloy and is suitable for both plasterboard and brick partitions. Patented design hidden door frames by DORSIS sro with hidden hinges allows the door to open outwards and inwards while maintaining the integrity of the view.

Surface treatment of hidden door frames

SURFACE SURFACES of door frames

A special aluminum alloy allows painting door frame the same interior color as the walls, thus achieving perfect integration and concealment of the door frame in the wall. The vast majority of concealed door frames manufactured by us door frame on request, it is surface-treated with powder coating (komaxit) according to a wide RAL color range.

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USE of hidden door frames

There are possibilities type dimensions hidden door frames in the Czech standard for single-leaf design and also hidden door frames in atypical heights and widths see dimension table

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COMBINATION with other assortment

Concealed door frames for doors that open freely follow a minimalist design Belport unlined construction casesDIGERO aluminum partitions

DORSIS on Instagram.

Detailed assembly instructions DORSIS

In our new video, we show the entire preparation and assembly process — from setting up the partition and
@dorsis.cz
FORTIUS 52
The ultimate hidden door frame DORSIS.

Flush with the wall.
Prepared for wood, ceramics and trowel.
Designed for interiors without
@dorsis.cz
With hidden door frames, it's not just about the door frame not being visible.
It is important how the door connects to the wall
@dorsis.cz
When the door doesn't become a border.
When the cladding does not end at the door frame.
When the material continues where we normally don't expect it.

Idea
@dorsis.cz
Same look. Completely different approach.

You won't notice the difference on the surface. You will in terms of quality, smell and environmental impact.

In DORSIS
@dorsis.cz
Not every door should be visible right away.

In this study, it was more important to perceive the wall first. Her
@dorsis.cz
Two walls. Two materials. Same idea.

Imagine a hallway that is not just a passage from one room to another.
@dorsis.cz
In the interior of the new Premier Clinic floor, DORSIS door systems are designed as part of the designed areas, not as @dorsis.cz Hidden door frames are not just a matter of aesthetics. In a modern interior, they help to unify the door with the wall, work with a clean @dorsis.cz LINUS in detail.

The DORSIS concealed skirting board creates a clean connection between the floor, wall and door in a concealed frame.

It's going
@dorsis.cz
House in a draw 🌲🌳
A simple wooden cottage without water and electricity originally stood on the land above Blatno. Technical
@dorsis.cz
The VYSOCANY I penthouse project by the Obliqo interior studio won the BIG SEE Interior Design Award 2026.

Duplex apartment
@dorsis.cz
We keep concealed door frames in stock.
We produce doors for e-shops in heights **197 and 210 cm**.

A quick path to a proven solution,
@dorsis.cz
Are you attracted to a clean, minimalist interior where the floor smoothly transitions into the wall without any distracting elements? Hidden skirting boards @dorsis.cz Thank you to INTRO magazine for the space and trust.

The article "Where the ordinary door ends" shows what is hidden
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Currently from DORSIS.

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Development / production / implementation

We produce invisible door frames DURUS 45FORTIUS 52, FORTIUS 52 profile in the door to ceiling version and in the version for firesecurity door.

Fast delivery time

DORSIS sro supplies hidden door frames DURUS 45FORTIUS 52 from 14 working days from receipt order

WIDE POSSIBILITIES OF USE

Concealed door frames DURUS 45FORTIUS 52 we produce for building openings of any width, and up to a height of 3200 mm. Of course, there is also a door frame design for double-leaf doors. FORTIUS 52 door frames allow for doors to reach the ceiling.