Product Overview

Engineering Strength and Lightweight Versatility with Solid Wood Cores

Block Board, often referred to as lumber core plywood, is a specialized engineered wood product that bridges the gap between solid timber and traditional multi-ply plywood. It features a core made of precision-cut solid wood strips, typically sourced from lightweight yet strong timber species like pine or poplar, sandwiched between high-quality birch or decorative hardwood veneers. This unique construction is specifically designed for applications where high longitudinal stiffness and resistance to bending are required over long spans. For furniture makers and interior contractors, Block Board offers the look and feel of solid wood with the added benefits of engineered stability and reduced weight.

The manufacturing process of our Block Board begins with the careful selection of kiln-dried solid wood blocks. These blocks are edge-glued to form a solid, continuous internal slab. Because the grain of the core blocks runs parallel to the length of the board, the material exhibits exceptional screw-holding capacity and structural rigidity along its length. This makes it the premier choice for long horizontal surfaces such as shelving, sliding doors, and expansive tabletops that would otherwise sag if made from standard particle board or MDF. The outer birch veneer skins provide a smooth, flat surface that is ready for painting, veneering, or laminating, ensuring a premium finish every time.

One of the standout features of Block Board is its weight efficiency. While maintaining high structural integrity, it is significantly lighter than full-core birch plywood or solid oak. This weight reduction is a major advantage in the production of large-scale modular furniture and interior fittings, as it reduces the load on hinges and hardware, extends the life of the finished product, and lowers transportation costs. Our Block Board is engineered to resist warping and twisting, thanks to the balanced tension between the solid core and the cross-grained outer veneers, providing a reliable substrate for even the most complex joinery work.

Our Block Board is produced under strict quality controls to ensure there are no significant gaps between the internal wood strips. This "solid-core" approach prevents internal structural weaknesses and ensures clean edges when the board is cut or machined. Whether you are designing tall wardrobe doors that must remain perfectly straight or heavy-duty library shelving, our Block Board provides the natural warmth of real wood combined with the industrial precision of modern manufacturing. It is an essential material for craftsmen who demand the highest standards of durability and aesthetic appeal.

Solid Lumber CoreHigh Bending StrengthLightweight DesignExcellent Screw HoldingWarp Resistant

Technical Specifications

Core ConstructionSolid Wood Strips (Pine/Poplar)
Face/Back VeneerBirch, Okoume, or Decorative Hardwood
Standard Thickness15mm, 18mm, 21mm, 25mm, 30mm
Glue TypeMR Grade, E0/E1 Standard
Moisture Content8% - 12% (Kiln Dried)
Panel Size1220x2440mm / 1250x2500mm
Core Strip WidthApprox. 15mm - 30mm

Primary Applications

  • Long-Span Bookshelves and Library Units
  • Tall Wardrobe and Closet Doors
  • Solid-Feel Table Tops and Work Surfaces
  • Internal Partition Walls and Frames
  • Bespoke Bed Frames and Headboards

Core Competitive Strengths

  • Superior Rigidity: Resists sagging over long horizontal distances.
  • Hardware Friendly: Exceptional grip for screws and hinges in the solid core.
  • Low Density: Easier to handle and install than full hardwood panels.
  • Dimensional Stability: Less prone to seasonal expansion and contraction.

Trade Summary

MOQ1x20GP Container
Lead Time15-25 Days
PackagingStandard Export Pallet Wrapping
CertificationsISO9001, CE, CARB P2
Raw MaterialsKiln-Dried Pine/Poplar & Birch Faces
CustomizationCore Material and Face Species
Tianma Lvjian Group Co., Ltd.

About Us

Tianma Lvjian is China Lightweight Block Board Manufacturers and Wholesale Lightweight Block Board Factory. With 27 years of professional experience in the research, manufacturing, and sales of Birch Plywood, we adhere to the principles of safety, practicality, environmental friendliness, and aesthetics. Our products consistently meet the European standard of E1, ensuring high levels of environmental safety. We use pure birch wood as the main material and continuously innovate to enhance the design and structure of our birch plywood. We also emphasize surface treatment techniques, delivering environmentally friendly, performance-stable, and visually unique new products to the market and our valued customers.

Honor

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ICTT-22019-TIANMA-LVJIAN-(NANTONG)-WOOD-STRUCTURE-TECHNOLOGY-CO.,-LTD
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TJIN2412003437PL02-1_EN
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TJIN2412003437PL01-1_EN
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(65073)VCP-12177
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(65072)VCP-12176
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CE-EN 13986
  • Birch Plywood
    100%
    Birch plywood
  • Safety Stock
    40000
    Safety stock
  • Capacity
    65000
    Annual production capacity
  • Export Countries
    20+COUNTRIES
    Export to over 20 countries
  • Experience
    20+YEARS
    dedicated experience in the wood industry
  • Personnel
    200+
    Highly qualified and technically competent personnel
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Logistics and Financial Terms

We provide professional logistics support for our block board shipments, ensuring that pallets are securely strapped and protected from humidity during sea freight. Payment terms include T/T and L/C. We prioritize efficient container loading to maximize volume while protecting the corners and surfaces of the panels from transit damage.

Material Comparison

  • Vs. Plywood: Block Board is stiffer in the longitudinal direction and lighter in weight, making it better for long doors.
  • Vs. Particle Board: Block Board has vastly superior structural strength and screw-holding power.
  • Vs. Solid Wood: Block Board is more cost-effective and much less likely to warp or split in large widths.

Structural Composition

The solid wood core strips are kiln-dried to specific moisture levels to prevent later movement. These are edge-glued to form a void-free internal structure. The cross-grained outer veneers (birch or similar) are then bonded at high pressure.

This 3-layer or 5-layer sandwich construction ensures that the internal stresses of the wood blocks are neutralized, resulting in a panel that stays flat even in large-format applications.

Green Building Commitment

Our Block Board production emphasizes the use of fast-growing plantation timbers for the core, preserving slow-growing hardwoods for the decorative faces. We utilize low-VOC adhesives that meet E1 and E0 emission standards, ensuring that our products contribute to a healthy and sustainable indoor living environment.

Frequently Asked Questions
Q: Why choose Block Board over regular plywood?
A: It is lighter and stiffer along its length, making it ideal for long shelves and tall doors that shouldn't sag.
Q: Can Block Board be used for exterior projects?
A: No, Block Board is primarily designed for interior furniture and dry-use applications.
Q: Is the core solid?
A: Yes, we use edge-glued solid wood strips to ensure a strong, continuous core with minimal gaps.
Q: How does it handle screws?
A: Because the core is solid wood, it has excellent screw-holding capacity, similar to solid timber.
Q: What is the maximum thickness available?
A: We commonly produce up to 30mm, but custom thicknesses can be discussed for large orders.
Q: Can I paint the surface directly?
A: Yes, the smooth birch or okoume faces are perfect for painting or applying laminates.
Q: Is the core wood seasoned?
A: Yes, all core blocks are kiln-dried to 8-12% moisture to prevent warping after production.
Q: Does it contain formaldehye?
A: Our products meet E1 and E0 standards, ensuring very low to zero formaldehyde emissions.
Q: What sizes are standard?
A: The standard size is 1220x2440mm (4x8ft), which fits most global furniture manufacturing standards.
Q: How do I finish the edges?
A: Edges are usually finished with solid wood lipping or PVC/veneer edge banding.
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