PREMIUM INTERIOR CONCEALED DOORS FOR MODERN SPACES

Concealed installation doors by KAHN combine innovative technologies, premium materials, and flawless craftsmanship. Each door is created with meticulous attention to detail, ensuring a perfect fit with the wall and seamless integration into the interior. The high-quality materials guarantee durability and wear resistance, while the thoughtfully designed aesthetics deliver a sleek, contemporary look. Manufactured to the highest standards, these doors offer not only visual appeal but also reliable functionality. KAHN doors effortlessly blend into any interior style, emphasizing elegance and minimalism in your space. They are the ideal choice for those who value quality, comfort, and refined simplicity.

Concealed door with dual-action opening – inward/outward, left/right.

01 The set is delivered fully assembled and ready for installation.
02 Welded aluminum frame for enhanced durability.
03 Aluminum block around the door perimeter (80 mm) with a reinforced stiffener.
04 Moisture-resistant MDF panel (6 mm).
05 The door core is filled with extruded polystyrene for superior sound and thermal insulation.
06 Four-layer polyurethane primer coating by an Italian manufacturer.
07 Opening direction (inward or outward) can be chosen at no additional cost.
08 Choice of black or gray anodized frame without any extra charges.

Cross-section of concealed door system with reinforced aluminum frame and MDF panel
A set without an aluminum edge.
Concealed door set without aluminum edge for a seamless minimalist look

Doors with concealed installation and no aluminum edge embody minimalism and elegance. Their seamless design creates a smooth transition between the wall and door, enhancing a modern aesthetic. The lack of an aluminum edge boosts visual simplicity, making them ideal for contemporary interiors. Made from high-quality materials, they ensure durability and excellent sound and thermal insulation. Perfect for those seeking refined simplicity and a flawless, understated look.

A set with an aluminum edge.
Concealed door set with aluminum edge for durability and modern aesthetics

Doors with concealed installation and an aluminum edge offer modern design and durability. The aluminum edge adds a sleek finish while ensuring strength and long-lasting performance. This design enhances elegance and sophistication, providing a seamless look. The aluminum frame boosts wear resistance, ideal for high-traffic areas. With excellent sound and thermal insulation, these doors balance form and function, elevating both the aesthetic and practicality of any space.

In the kit

null

Concealed Hinge Anselmi AN-140 3D (505) - 2 pcs.

Concealed Hinge Anselmi AN-140 3D (505) - 2 pcs.

null

Seal

Seal

null

Magnetic Lock AGB Polaris

Magnetic Lock AGB Polaris

null

EASY-FIX Strike Plate

EASY-FIX Strike Plate

null

Mounting Plates

Mounting Plates

null

Additional Option: Concealed Magnetic Stopper or Automatic Threshold

Additional Option: Concealed Magnetic Stopper or Automatic Threshold

TYPES OF FINISHES FOR CONCEALED DOORS

Types of finishes for concealed doors play a crucial role in enhancing the overall aesthetic of any space. By choosing the right finish, you can seamlessly integrate the door into the room’s design, ensuring it complements your interior style. Whether you opt for wood veneer, lacquered, or matte finishes, these doors provide a sophisticated and clean look that adds a modern touch to your home. The finishes also contribute to the functionality of the door, with materials that offer durability and ease of maintenance. For a more luxurious feel, metallic or stone finishes can create a striking focal point, while glass inserts provide a sense of openness and light. Textured surfaces add depth and character, making the door a statement piece. Ultimately, the variety of finishes allows you to personalize your concealed doors to match any interior design concept, ensuring both style and practicality.

Concealed primed door ready for painting to match wall color

PRIMED DOORS

(Four-layer priming: polyurethane insulator, sanding, high-quality polyurethane primer from an Italian manufacturer.)

Used for:

Painting with water-based paints;
Wallpaper application;
Applying decorative plaster.

Concealed doors with smooth painted finish in a minimalist interior

PAINTED DOORS

(Seven-layer painting: polyurethane insulator, sanding, high-quality polyurethane primer, acrylic paint, and lacquer from an Italian manufacturer.)

Painted according to the following palettes:

RAL;
NCS.

Different lacquer options:

20 Gloss (semi-matte);
3 Gloss (matte);
Soft Touch.

Concealed door with natural veneered wood finish in a minimalist concrete interior

VENEERED DOORS

Modified Veneer:

This is a technology for manufacturing veneer from fast-growing natural wood species, through pigmentation and the creation of a unique texture.

Natural Veneer:

Thin layers of wood obtained by slicing or “planing” logs on specialized machines.

Different lacquer options:

20 Gloss (semi-matte);
3 Gloss (matte).

Concealed door with full-height mirror finish blending into modern white wall

MIRROR

Mirror options:

Silver;
Bronze;
Graphite.

Any type of mirror can be finished in SATIN.

Glossy white glass concealed door blending into minimalist modern kitchen wall

DIAMONDS GLASS

Painted according to the following palettes:

RAL;
NCS.

Any type of glass can be finished in SATIN.

Concealed doors finished with white marble-look porcelain stoneware

PORCELAIN STONEWARE

LAMINAM ceramic tiles are made exclusively from natural materials: crushed rocks and minerals (quartz, granite, feldspar), clay, and ceramic pigments.

Concealed hinged door finished with particleboard seamlessly blending with the wall

PARTICLEBOARD

We can integrate particleboard from any manufacturer into the concealed doors. We can also install the Client’s own particleboard used in the room’s design.

Concealed door with HPL finish integrated seamlessly into a decorative wall panel

HPL

A decorative plastic often used in commercial spaces.

Main advantages:

Resistance to scratches, abrasions, impacts, light, and ultraviolet rays;
Easy to maintain. Does not require special cleaning products to keep it clean.

Custom concealed door solution with wall-integrated grey tiles and seamless finish

CUSTOM SOLUTIONS

We don’t stop at standard door finishes and bring any wishes and ideas of our clients to life.

Possible options:

Parquet flooring transitioning from the floor to the wall and door (as shown in the photo);
Installation of “lead sheet” for a radiology room;
Mirror or metal sheet with an aging effect;
Installation of a cat door for your pet.

We are always ready to consider your requests and turn them into reality!

CONCEALED DOORS FOR MODERN CANADIAN INTERIORS

Minimalist Flush Doors Designed In Europe

Prime Portal Inc. offers concealed (flush-to-wall) door systems that transform spaces with clean geometry and seamless integration. Engineered and manufactured in Europe, our concealed doors are tailored for modern Canadian interiors where visual purity, energy efficiency, and architectural precision matter.

What Makes Concealed Doors Different?

Unlike traditional framed doors, concealed systems are integrated directly into drywall or millwork. The result is a flush appearance where the door blends with the wall — no visible jambs, trims, or casings.

  • Flush finish on both push and pull sides
  • Hidden hinges and frameless perimeter
  • Available in swing, pivot, or sliding options
  • Compatible with drywall, plaster, tile, and panel surfaces

CONCEALED DOORS FOR HIGH-END ONTARIO PROJECTS

Built For Residential And Commercial Spaces

Our flush doors are popular in premium residential architecture, retail interiors, art galleries, boutique hotels, and multi-residential developments across Ontario and other Canadian provinces. Whether you’re designing a penthouse in Toronto or a minimalist clinic in Ottawa, concealed doors create a quiet luxury impression with technical excellence.

uPVC, Aluminum, And Custom Cladding Options

Door panels can be finished with lacquer, paint, veneer, tile, or fabric — even mirrored or acoustically treated. The concealed frame and hardware are fabricated with precision aluminum or high-density polymer components, ensuring long-term stability and resistance to warping or sagging.

INTEGRATED WITH PRIME PORTAL’S FULL-SERVICE MODEL

We Don’t Just Sell Doors — We Deliver Architecture

Our concealed doors are integrated into full-cycle interior projects that include:

  • Design consultation and architectural detailing
  • 3D laser measurements and as-built drawings
  • Fabrication and delivery from Europe
  • Installation by trained professionals across Ontario

Coordination With Wall Systems And Baseboards

Flush doors are often paired with other minimalist systems like shadow baseboards, frameless glazing, or wall panels. Prime Portal ensures compatibility between all elements, including shadow gaps, reveals, and mechanical alignments.

WHY ARCHITECTS AND DESIGNERS CHOOSE PRIME PORTAL

Over A Decade Of European Engineering Expertise

We’ve worked with award-winning architectural firms and design studios on over 1,000 projects in Canada, the USA, and the EU. From initial sketch to final reveal, we help realize minimalist visions without compromise.

Installed Across Ontario And Nationwide

Our concealed door systems are installed in Toronto, Mississauga, Vancouver, Calgary, Montreal and custom projects nationwide. All products meet Canadian building code standards and come with full post-installation support.

REQUEST A CONCEALED DOOR CONSULTATION

Start With A Tailored Design Review

Let’s discuss your design goals, project constraints, and aesthetic vision. Contact our team today to receive a personalized consultation and explore concealed door solutions for your home or commercial space in Ontario.

Prime Portal Inc. – Modern Doors. Invisible Transitions. Visible Quality.