Via G.Galilei, 10 - 22075 Lurate Caccivio - Como - Italy
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email: sales@3b-lab.com
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Home < Applications > Cabinet doors
Cabinet doors
Cabinet doors made from composite panels with an aluminum honeycomb core combine low weight, high rigidity and bending resistance. They allow the production of large-format doors, even with thicknesses as low as 12 mm, heavy surface finishes and custom geometries, while maintaining long-term stability and precision. Each panel is engineered to meet the specific performance requirements of the project.
Technical Documentation
Technical Documentation
Technical Documentation
Technical Documentation
Technical Documentation
Technical Documentation
Technical Documentation
Cabinet doors stratigraphy with ALUXAP technology
Technical Documentation
Every composite panel developed by 3B LAB is supplied with a dedicated technical data sheet detailing materials, lay-up, reinforcements, inserts, machining operations, and construction specifications according to the project requirements.
Technical Data Sheet Preview
Large sizes Long-term stability Customisable finishes
Panel Types
→ Lacquer-ready → Veneered → HPL-clad → For marble → Glass and ceramic → Metal
Doors to be lacquered
Lacquer-ready doors made from composite panels with an aluminum honeycomb core are ideal for large furniture units. The sandwich structure reduces the risk of deformation and provides stable surfaces suitable for painting and lacquering processes.
Technical Documentation
Which configuration should you choose?
ALUXAPP, with its aluminum surface, is ideal when the use of wood-based substrates needs to be limited or for environments with higher humidity levels.
ALUXAPP-H provides a surface that is easier to lacquer for standard indoor environments. When an HDF layer of suitable thickness is used, it also allows custom-designed engravings and decorative machining.
Veneered doors
Veneered cabinet doors manufactured with aluminum honeycomb composite panels are an ideal solution for creating large-format doors that combine lightweight construction, exceptional stiffness and long-term dimensional stability. The sandwich structure with an aluminum honeycomb core reduces weight, minimizes bending and preserves the reliability of opening mechanisms, even on large-sized doors.
Which configuration should you choose?
ALUXAPP-E, with the wood veneer applied directly to the aluminum, is recommended when a reduced overall thickness and minimal use of wood-based layers are required.
ALUXAPP-H and ALUXAPP-T use an HDF and a particleboard substrate respectively, providing more traditional surfaces for bonding the veneer.
The choice depends on several factors, including the dimensions and whether the veneer sheets are natural or reconstituted.
HPL-clad cabinet doors
HPL clad cabinet doors manufactured with aluminum honeycomb composite panels are an ideal solution for large-format furniture. The sandwich structure provides exceptional stiffness, lightweight construction and long-term dimensional stability, minimizing the risk of warping while ensuring a perfectly smooth and stable surface for painting and lacquering processes.
Which configuration should you choose?
ALUXAPP-HPL can be clad with HPL laminate on both faces or on one face only. In the latter case, the opposite face can be finished with painted metal sheet or wood veneer, depending on the project’s aesthetic and technical requirements.
Support for marble doors
Lightweight composite panels are an ideal solution for manufacturing large-format cabinet doors faced with natural stone or porcelain stoneware. The sandwich structure provides exceptional stiffness, reduced weight and long-term dimensional stability, while facilitating the integration of hardware and opening systems.
Which configuration should you choose?
In marble-clad doors, the composite panel is inserted into the weight-reduced slab, providing the structural support required to anchor the hardware. The exposed face of the composite panel can be finished with wood veneer or pre-painted aluminum in a RAL colour.
Glass door - Laminam
Glass- or thin ceramic-faced cabinet doors are an ideal solution for creating large-format elements that combine lightweight construction, exceptional stiffness and long-term dimensional stability. Composite panels with an aluminum honeycomb core provide a reliable substrate for high-end decorative surfaces, reducing door weight and improving the performance of opening systems.
Why choose this configuration?
The doors are made from composite aluminum honeycomb panels, clad with glass or Laminam® and fitted with solid perimeter reinforcement to allow mechanical machining. The perimeter is finished with ABS edging in a RAL colour, leaving the thickness of the slab visible. Along the upper edge, the Laminam® cladding extends beyond the panel, creating a recess for an aluminum profile that serves as an integrated handle.
Thin stone doors
Thin-stone-clad doors made from ALUXAPP-P composite panels combine the aesthetics of natural stone with a lightweight, rigid and dimensionally stable structure. The aluminum honeycomb core provides a highly flex-resistant substrate, minimises deformation caused by stresses generated by the adhesives and reduces the overall weight of the door.
Why choose this configuration?
Stone-clad doors are manufactured using a lightweight, rigid and stable aluminum honeycomb substrate. The structure allows both faces to be clad in stone or the stone front to be combined with a veneered or lacquered reverse, minimising deformation caused by the different stresses within the materials.
The edges are clad in thin stone, ensuring material continuity and a consistent appearance with the front. An integrated grip can be created in the door by means of a 45° cut, also clad in thin stone.
Metal doors
Metal-faced cabinet doors manufactured with composite panels are an ideal solution for contemporary furniture, combining minimalist design, lightweight construction and outstanding structural performance. The aluminum honeycomb core provides exceptional stiffness, long-term dimensional stability and high bending resistance, reducing the overall weight of the door while improving the reliability of opening mechanisms, even in large-format applications.
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Why choose this configuration?
The doors are made from composite aluminum honeycomb panels, with the exposed face finished in satin aluminum.
The panels have no perimeter frame; the edges are finished with T-shaped aluminum profiles.
Every project requires a dedicated composite panel.
Every composite panel is engineered according to the performance requirements of the application, defining materials, panel lay-up, perimeter framing, inserts and machining operations to meet the project's mechanical, dimensional and aesthetic requirements.
Hardware Integration
The panel is designed and machined to accommodate the hardware required for the application. Fastening positions and machining operations are defined according to the selected mechanism and the anticipated loads.
Steeel threaded insert Doors, Drawers and Sliding Systems
The hardware is secured using metric threaded inserts anchored to the aluminum skins through mechanical deformation of the insert. The resulting connection is strong and reusable, allowing screws to be installed and removed repeatedly without compromising the panel.
Hardware for Cabinet Doors, Drawers and Sliding Systems
Let’s discuss your project
We work with you to analyse the requirements of your application and develop the most suitable technical solution.