What is the standard moisture content (MC) for exported slab doors?

Export standard is typically between 8 percent and 12 percent. However, you must specify the target MC based on your destination market's climate to prevent warping or cracking after installation.

Can manufacturers provide FSC-certified slab doors?

Yes, many export-oriented factories hold FSC chain-of-custody certifications. You must request this upfront, as FSC materials carry a premium and require specific documentation for customs clearance.

What is the difference between tubular core and solid particleboard core?

Tubular core features extruded hollow channels, reducing the door's weight by up to 40 percent while maintaining excellent impact resistance and sound transmission class (STC) ratings. Solid core is a continuous board, offering maximum density and acoustic privacy but significantly increasing shipping weight.

How are slab doors packaged for international freight?

Doors are typically palletized with protective corner guards, wrapped in PE film to prevent moisture ingress, and strapped securely. MDF strips or foam sheets are used between doors to prevent surface scratching during transit.

Slab Doors

Source premium slab doors from vetted suppliers and manufacturers across Asia. Designed for importers, building material distributors, and large-scale developers, our network offers reliable bulk production for residential and commercial projects. Secure competitive wholesale pricing and dedicated quality control for your next order.

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Wood Veneer Interior Door with Diamond Panels

This interior door is constructed with a wood veneer and finished in brown. It features three square panels, each decorated with a diamond-shaped design.

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Dark Wood Interior Door with Carved Panel

This solid wood door features a rectangular panel design with decorative carvings. It is finished with a rich, dark wood stain and includes a modern silver-colored lever handle.

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Traditional Style Wooden Door with Carved Floral Panel

This wooden door features a traditional panel design with a warm finish. A central panel showcases intricate floral carvings, adding an element of elegance.

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Interior Wooden Door with Raised Panel

This interior door is constructed from wood and features a raised panel design with a decorative circular element. It is suitable for interior use, providing both privacy and security.

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Traditional Two-Panel Wooden Door with Floral Carving

This wooden door showcases a traditional two-panel design with vertical grooves and a decorative floral carving. The door's solid wood construction ensures durability and a timeless aesthetic.

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Carved Solid Wood Interior Door

This meticulously crafted solid wood door features intricate carvings. The door showcases a traditional design with raised panels and decorative elements.

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Raised Panel Solid Wood Interior Door

This interior door is constructed from solid wood and features a raised panel design. It has a warm reddish-brown finish and vintage-style lever handle.

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Carved Floral Solid Wood Door Panel

This solid wood door panel features a central carved floral design. The panel is constructed from a dark-stained wood with a rectangular frame.

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Traditional Wooden Interior Door

This wooden interior door features a traditional design with raised panels. The door is stained in a warm, reddish-brown color, highlighting the wood grain.

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Red Interior Door with Oval Panel Design

This red interior door features a decorative panel design. The door is suitable for residential interior settings.

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Reddish-Brown Wooden Door with Intricate Design

This wooden door features an intricate design and a rich, reddish-brown finish. The door is divided into panels and includes a decorative, circular element in the center.

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Wood Veneer Interior Door with Raised Panel Design

This interior door features a rich wood finish and a classic raised panel design. Constructed from solid wood core with a veneer finish, this door provides durability and enhances the aesthetic appeal of any interior space.

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Dark Wood Interior Door with Central Panel

This interior door is crafted from high-quality wood and finished with a rich, dark stain. A prominent central panel adds visual interest to the door's clean, classic design.

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Dark Wood Interior Door with Panel Design

This interior door features a rich, dark wood finish and a panel design with a horizontal accent. It is constructed with high-quality materials, ensuring durability for residential or commercial applications.

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Ornate Yellow Interior Door with Carved Detailing

This interior door features a vibrant yellow finish and classic design. Ornate detailing and decorative carvings enhance its aesthetic appeal.

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Off-White Interior Door with Raised Panel Design

This interior door features a classic design with raised panel detailing and ornate corner embellishments. The door is finished in a neutral, off-white color.

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Wood Interior Door with Vertical Panel Design

This interior door is crafted from wood and features a sleek, modern design. A vertical panel arrangement on one side adds visual interest and architectural detail.

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Panel Engineered Wood Door

These engineered wood doors feature distinct panel designs. The doors are suitable for interior applications and provide durability.

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Sourcing slab doors in volume requires strict attention to dimensional stability, core density, and veneer consistency. A slight miscalculation in moisture content or pressing temperature at the factory level can lead to widespread warping or delamination by the time the container arrives at your warehouse.

Core Constructions and Facing Specifications

The performance, acoustic rating, and price of an interior slab door depend entirely on its internal construction and external skin. Volume buyers must specify exact materials to avoid unexpected substitutions on core density.

Core Type	Typical Application	Weight & Density	Cost Profile
Hollow Core (Honeycomb)	Light residential interior	Low density, lightweight	Most economical
Tubular Particle Board	Commercial, multi-family	Medium density, good acoustic rating	Mid-range
Solid Core (Particle/MDF)	High-end residential, hotel	Heavy, high density (over 600kg/m3)	Premium

Facing materials usually consist of 3mm to 6mm MDF or HDF. For finished doors, specify the exact veneer thickness (typically 0.3mm to 0.6mm) or the melamine paper weight. If you require specialized finishes, fire ratings, or custom architectural dimensions, leveraging OEM/ODM services ensures the factory aligns their tooling with your exact project specifications.

Manufacturing Control and Dimensional Tolerances

Quality is won or lost during the pressing and edge-banding stages. Hot pressing requires precise temperature control and cooling times to prevent internal stress, which causes bowing. Edge banding must utilize high-quality adhesives—PUR (Polyurethane) glue is vastly superior to standard EVA for moisture resistance, preventing edge peeling in humid climates.

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Before shipping, rigorous quality control is essential. Relying on the factory's internal checks is risky; independent inspectors must verify the following parameters on the floor:

Pre-Shipment Inspection Focus Areas

Moisture Content (MC): Must be dried to 8 to 12 percent depending on the destination climate.
Dimensional Tolerances: Height and width variance must not exceed 1.5mm.
Diagonal Squareness: The difference between two diagonals must be under 2mm.
Surface Flatness: Bowing or cupping must be less than 1mm per meter.
Edge Banding Adhesion: Peel test to ensure zero delamination at the corners.

Wholesale MOQs, Lead Times, and Pricing Dynamics

Slab door manufacturing in China is heavily concentrated in Zhejiang (Jiangshan) and Guangdong provinces. Factories operate on high-volume continuous lines, meaning MOQs are dictated by material runs—especially for custom veneers or non-standard laminates.

1x20' FCL

Typical MOQ

Roughly 350 to 450 doors depending on core type and thickness.

25-35 Days

Standard Lead Time

From deposit and final drawing approval to container loading.

$15 - $65+

Average Pricing

Per slab, scaling from basic hollow core to premium solid wood veneer.

To secure the best pricing, consolidate your dimensions where possible. Factories offer better rates for standardized runs (e.g., 80-inch height, 1-3/8-inch thickness). If you are ordering solid core doors, container weight limits will dictate your shipping strategy long before volume limits are reached. Conducting thorough factory audits prior to placing high-volume orders ensures the supplier actually has the automated pressing lines required to meet tight lead times without sacrificing cure times.

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Frequently Asked Questions

Successfully sourcing slab doors in volume requires looking past the surface finish to the core materials and pressing techniques that dictate long-term stability. By enforcing strict moisture controls and dimensional tolerances at the factory level, you protect your margins and ensure seamless installation on site.

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