Split-Panel Grey Solid Core Composite Interior Doors Solid Core Door With Frame Anti-Fingerprint Soundproof

The Split-Panel Grey Solid Core Composite Interior Door bridges the gap between traditional panel-door aesthetics and modern material performance. Its two-panel split design—a classic architectural motif dating back centuries—is reimagined through precision HPL lamination, creating distinct panel fields that catch light differently depending on viewing angle. A boutique hotel group in Barcelona recently selected this door for a 120-room property renovation, specifically drawn to the interplay of the split-panel geometry with the hotel's warm LED cove lighting in guest corridors. The anti-fingerprint matte grey surface maintains a pristine appearance despite daily guest traffic, while the soundproof composite core (STC 33–36 dB) ensures corridor noise doesn't intrude into guest rooms. The door arrives as a complete unit with matching frame—factory-machined, test-fitted, and ready for swing-type installation. For project buyers seeking the warmth of classic panel design with the benefits of contemporary material science (no warping, no refinishing, no pest vulnerability), this door delivers across every performance dimension while carrying full CE certification and ISO 9001:2015 quality assurance.

• Classic Split-Panel Design in Modern Materials: Two recessed panel fields created through precision HPL thermoforming—achieves the depth and shadow-line of traditional stile-and-rail construction without the seasonal movement, joint separation, or finish cracking common to solid wood panel doors. Panel proportions can be customized (50/50, 60/40, 70/30 split) to match architectural intent.
• Anti-Fingerprint Matte Grey Surface: Proprietary hydrophobic coating reduces fingerprint visibility by 85%+ on the smooth panel fields. The consistent grey tone (available in Warm Grey, Cool Grey, Anthracite, and Greige) provides a neutral backdrop that harmonizes with virtually any interior color scheme—from warm Mediterranean palettes to cool Scandinavian interiors.
• Soundproof Composite Core: Multi-layer composite construction with high-density inner substrate (≥730 kg/m³) and timber internal framing achieves STC 33–36 dB. Acoustic performance verified per ISO 10140-2. Includes factory-installed perimeter seal channel for optional acoustic seal upgrade that boosts performance to STC 38–40.
• Wood Inner Frame Construction: Internal structural frame uses kiln-dried solid wood (moisture content 8–12% at manufacture) with mortise-and-tenon joinery, providing superior screw-holding for heavy hardware and long-term dimensional stability. All wood components receive anti-termite/anti-borer preservative treatment to GB/T 18260-2015.
• Comprehensive OEM/ODM Service: Customize panel proportions, surface color/texture, core acoustic rating, door dimensions (max 2400×1100mm), frame style (traditional rebated, concealed, or semi-concealed), hardware preparation (any lock type, hinge pattern), and packaging. Full private-label program with custom branding on protective film and packaging. Minimum order: 50 units per specification.

This split-panel grey solid core composite interior door is constructed from a selected door-core substrate, a factory-applied decorative surface, and a compatible frame system. The construction is designed to deliver a consistent appearance and reliable performance for modern offices and residential interiors.

The door leaf is finished with a grey composite decorative finish with a split-panel layout, selected to reproduce the visual character and texture required by the project. Available patterns and colours can be chosen according to the approved project sample, interior design requirements, and production specification.

Unlike conventional painted doors, the specified surface does not require a separate liquid-paint finishing process after installation. Surface material and finishing construction are confirmed through the approved sample and technical specification before mass production.

The internal core is configured as a composite solid core, selected according to the required door performance, application, weight, and project specification.

The selected core is combined with the surface and edge construction to form the complete door leaf. Core material, thickness, and other structural details are confirmed according to the approved drawing or production specification.

The door leaf is manufactured to the specified dimensions and thickness, with the surface, core, edges, and internal reinforcement coordinated as a complete assembly. Door thickness and construction are customized to support a distinctive split-panel grey finish with solid-core performance.

Before production, key specifications such as dimensions, surface finish, grain pattern, colour, core construction, and hardware preparation are confirmed against the approved sample or technical drawing.

The matching frame is manufactured as a coordinated grey frame, coordinated with the door leaf in dimension, profile, and surface finish.

Door edges are processed during manufacturing to provide a consistent finished appearance and an appropriate fit between the door leaf and frame. Edge construction is determined according to the selected surface and door configuration.

Material and construction details are not treated as a one-size-fits-all specification. For OEM and project orders, the final configuration is confirmed according to the approved sample, technical drawing, material requirements, and production specification.

Where applicable, material documentation and relevant test reports can be provided according to the selected configuration and applicable project requirements.

Each split-panel grey solid core composite interior door is manufactured through a controlled sequence of material preparation, precision machining, surface application, assembly, and final inspection. The actual production steps may vary according to the selected surface material, core construction, door dimensions, and approved project specification.

Door substrates, core materials, decorative surfaces, frame materials, and other components are prepared according to the confirmed product specification. Materials are inspected before entering production to check their condition, dimensions, and suitability for the specified construction.

The door components are cut and machined according to the approved dimensions and technical drawings. CNC and other production equipment are used for dimensional processing, edge preparation, panel details, and hardware-related machining where required by the selected configuration.

The selected surface (the grey composite finish) is applied to the prepared door substrate using the specified production method. During this stage the production team checks the surface condition, appearance, edge treatment, and overall fit to help maintain consistency with the approved sample.

Unlike conventional site-painted doors, the specified factory-finished configuration integrates its decorative surface during production, reducing the need for a separate conventional paint-finishing process after installation.

Processed door components are assembled according to the confirmed construction. The door leaf, core structure, frame components, edge treatment, and hardware preparation are coordinated to support a distinctive split-panel grey finish with solid-core performance.

Production personnel perform hands-on assembly and dimensional checks at relevant stages of the process rather than relying solely on automated equipment.

Before final packing, finished doors are inspected according to the applicable production and quality-control requirements. Typical inspection points include overall dimensions, surface appearance, finish consistency, edge condition, flatness, component fit, and visible manufacturing defects.

For project orders, inspection requirements can be aligned with the approved sample, technical drawing, and confirmed production specification.

After final inspection, the completed door sets and related components are prepared for protective packaging. Packaging configuration is selected according to the door dimensions, quantity, hardware configuration, and transportation requirements.

The finished products are then identified, packed, and prepared for shipment according to the confirmed order and project requirements.

The manufacturing images on this page are intended to show actual production activities at the YSM manufacturing facility, including material processing, component assembly, and quality-control operations. They provide a direct view of the people, equipment, materials, and production environment involved in manufacturing customized wooden interior doors.

Quality inspection is carried out at relevant stages of production to verify that the finished split-panel grey composite interior door conforms to the approved sample, technical drawing, material requirements, and confirmed production specification. Inspection points may vary according to the selected construction and project requirements.

Before production, incoming materials and components are checked according to the applicable material and production requirements. The inspection may include material condition, dimensions, surface appearance, and compatibility with the specified construction.

For customized projects, the grey composite finish, the composite solid core, the coordinated grey frame, and other key components are verified against the approved specification before production proceeds.

During and after machining, key door dimensions are checked against the approved drawings or confirmed specifications. Depending on the configuration, inspection may include:

• Door leaf height and width
• Door thickness
• Frame dimensions
• Edge dimensions
• Hardware preparation
• Component alignment

This helps ensure that the finished components are manufactured to the specified dimensions before assembly and packaging.

The finished surface is visually inspected for consistency with the approved sample, with particular attention to split-panel alignment and grey finish consistency. Production personnel check the visible surface for:

• Finish and grain appearance
• Colour consistency
• Surface defects
• Scratches or visible marks
• Edge condition
• Surface-to-edge consistency

For larger project orders, the approved sample is used as the reference for production and visual inspection.

After assembly, the door leaf and related components are checked for proper fit and alignment. Where applicable, inspection includes the relationship between the door leaf, frame, hardware preparation, edges, and other specified components.

Any identified dimensional, surface, or assembly issues are addressed before the product proceeds to final inspection.

Before packaging, completed doors are subjected to a final visual and dimensional inspection according to the applicable production requirements. The inspection focuses on overall appearance, dimensions, surface condition, component fit, and visible manufacturing quality.

For OEM and project orders, additional inspection requirements can be incorporated when specified in the approved drawings, quality requirements, or purchase specifications.

Where applicable, inspection records are maintained for production batches and project orders. Relevant product specifications, material information, inspection records, and applicable test documentation can be provided according to the selected configuration and customer requirements.

The purpose of this inspection process is to verify that the supplied split-panel grey composite interior door corresponds with the approved product configuration before protective packaging and shipment.

• Inspection Reference: Approved sample / Technical drawing / Material specification / Production specification
• Inspection Stage: Incoming materials → In-process production → Assembly → Final inspection
• Documentation: Inspection records and applicable test documentation available according to product configuration.

Ideally suited for boutique hotels, premium apartment buildings, private residential villas, high-end senior living communities, private clinic consultation rooms, and corporate executive offices where classic design language and modern acoustic performance are equally valued. The split-panel geometry provides visual interest on long hotel corridors—breaking the monotony of flat-slab doors while maintaining the cleanability and durability of laminate surfaces. The grey color family is consistently ranked among the top three most-specified interior door colors globally, ensuring broad market acceptance. Swing-type operation suits both left-hand and right-hand opening configurations with a field-reversible frame design. Reliable operation across -20°C to 45°C, with wood frame treatment ensuring pest resistance in all climate zones. Full certification package: CE EN 14351-1, RoHS, ISO 9001:2015.

• Project Type: Corporate Headquarters Fit-Out
• Region: Germany
• Project Scale: Single Headquarters Building
• Door Quantity: Approximately 350 Doors
• Application: Offices and Reception Areas
• Product: Split-Panel Grey Solid Core Composite Interior Doors

A corporate headquarters fit-out in Germany required interior doors with a distinctive split-panel grey design that would support a modern, understated corporate identity across offices and reception areas.

Based on the project requirements, YSM supplied split-panel grey solid core composite interior doors configured according to the confirmed door dimensions, surface selection, construction requirements, and approved project specifications.

The project required:

• A distinctive split-panel grey design
• Aligned panel detailing across all doors
• A consistent grey finish across the order
• Coordinated door and frame construction
• Repeatable dimensions for a corporate fit-out
• Packaging suitable for project shipment and installation

Before mass production, the selected the grey composite finish and key construction details were confirmed against the approved sample and project requirements.

The doors were then manufactured through material preparation, precision machining, surface processing, assembly, quality inspection, and protective packaging. Production and inspection procedures were applied to maintain consistency across the project batch.

For a project involving approximately 350 doors, production consistency was an important consideration. Door dimensions, surface appearance, finish, edge condition, and overall assembly were checked according to the applicable production requirements and approved project specifications.

Where required, the approved sample was retained as a reference for production and visual inspection.

The completed doors were prepared with protective packaging according to the project quantity, door configuration, and transportation requirements before shipment to the project destination.

The doors were specified for offices and reception areas, where a consistent appearance was required across multiple units.

Project photographs and production records can be provided where available and permitted for publication. Supporting documentation may include approved samples, production records, inspection records, packaging photographs, and relevant product documentation.

Project quantities and specifications are based on the confirmed project information available for this case and may vary between individual orders.

Before shipment, finished split-panel grey solid core composite interior door are prepared and packaged according to the confirmed door configuration, dimensions, order quantity, hardware requirements, and transportation conditions. The packaging process is intended to protect the finished surface, door edges, frames, and related components during handling and transportation.

After production and quality inspection, each completed door or door set is checked before entering the packing process. Depending on the configuration, the final check may include:

• Door dimensions and overall condition
• Surface appearance
• Edge condition
• Door leaf and frame components
• Hardware and accessories
• Quantity and product identification
• Packaging requirements

Any project-specific packing or identification requirements are confirmed against the applicable order and shipping instructions.

Because the decorative surface is a finished surface, protective materials are applied where required to reduce the risk of scratches, abrasion, impact, and contamination during handling and transportation.

Additional protection can be used for vulnerable areas such as door corners, edges, frames, and hardware components according to the selected packaging configuration.

Doors and related components are packed according to the product configuration and shipment requirements. For larger residential or commercial projects, packaging can be organized by batch, door type, size, room application, or other agreed identification requirements where applicable.

Product labels and shipping marks can be prepared according to the confirmed order information to assist with identification during warehouse handling, loading, and installation.

Packed door sets are consolidated and prepared for loading after the final packing check. The loading arrangement is considered according to package dimensions, quantity, weight, and transportation requirements to help reduce unnecessary movement during shipment.

For project orders, the shipment can be coordinated according to the confirmed delivery schedule and documentation requirements.

The photographs shown in this section represent actual packaging and shipment-preparation activities at the YSM manufacturing facility. Packaging materials and configurations may vary according to door dimensions, quantities, product construction, hardware configuration, and transportation requirements.

Q: What grey color options are available, and can we match a specific interior design palette?

A: Our standard grey palette includes four carefully curated tones: Warm Grey (LRV 38, beige undertones for warm interiors), Cool Grey (LRV 42, blue undertones for contemporary spaces), Anthracite (LRV 12, deep charcoal for dramatic contrast), and Greige (LRV 48, grey-beige neutral for transitional designs). For OEM orders of 100+ units, we offer custom color matching—submit a physical sample, RAL code, NCS code, or spectrophotometer reading, and our lab develops a matching HPL formulation within 10 working days. We can also match specific designer paint brand colors (Farrow & Ball, Benjamin Moore, Sherwin-Williams) to within ΔE ≤1.5. Color consistency between production batches is maintained to ΔE ≤0.8 using spectrophotometric quality control at the lamination press. All colors comply with RoHS and REACH for heavy metal and hazardous substance content.

Q: How is the soundproof performance affected if I choose not to install the optional acoustic seals?

A: The door's core achieves STC 33–36 without acoustic seals—sufficient for most residential and hotel applications where the door separates rooms with different occupancy purposes (bedroom from living room, guest room from corridor). The optional acoustic seal upgrade, which includes perimeter compression seals, an automatic drop seal at the bottom, and a heavier-duty threshold, adds approximately 3–5 dB of attenuation, bringing the assembly to STC 38–40. This upgrade is recommended for situations requiring speech privacy (executive offices, consultation rooms, HR interview rooms) or where the adjacent space has elevated sound levels (mechanical rooms, elevator lobbies, entertainment areas). The seal channel is factory-routed—you can install the standard door now and retrofit seals later without door replacement. Acoustic seals add approximately 8–12% to the unit cost and are available for OEM orders of any quantity. Test certificates per ISO 10140-2 provided with acoustic-rated orders.