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Birch plywood
Product Overview
Extended Panel Length for Uninterrupted Vertical Surfaces
Certain architectural and interior applications, particularly tall wall paneling, staircase stringers, and floor-to-ceiling cabinetry, call for panel lengths that exceed the standard 2440mm sheet dimension, and inserting a horizontal joint partway up such a surface is rarely an acceptable design solution. Long Length Birch Plywood Panels are produced in extended dimensions up to 3000mm or beyond, allowing designers to specify a single continuous panel for these taller surface applications without compromising the clean, uninterrupted appearance the design calls for.
Producing panels at extended lengths introduces specific manufacturing considerations beyond simply running a longer veneer sheet through standard equipment. Veneer sourcing must account for sufficient log length to produce usable sheets at the target dimension, and our press equipment is configured to maintain even pressure distribution across the panel's full extended length, preventing the localized bonding inconsistencies that can occur when standard equipment is pushed beyond its designed operating length.
Staircase construction is one of the most common specification drivers for this product line, where stringers, risers, and understair cladding frequently require lengths exceeding standard sheet dimensions to avoid visible joints along a highly visible architectural feature. Similarly, floor-to-ceiling wardrobe and cabinetry doors in residential and hospitality projects increasingly specify full-height panels in a single piece, a design trend that has driven meaningful demand growth for this extended-length product line.
Handling and transport logistics for long length panels require some additional planning compared to standard dimensions, given the panel's reduced rigidity relative to its length during transit and installation. We provide packaging and handling guidance for long length orders, and can coordinate with buyers on appropriate crating configurations to prevent bowing or damage to these extended panels between our facility and final installation on site.
Extended Length up to 3000mm+Continuous Surface CoverageStaircase & Tall Panel ReadyEven Long-Panel BondingCustom Length Availability
Technical Specifications
| Core Material | 100% Full Birch Veneer |
| Face/Back Grade | B/BB, S/BB Select Grade |
| Standard Thickness | 9mm to 21mm |
| Panel Dimensions | 1220x3000mm, 1220x3660mm, Custom Lengths |
| Glue Type | MR, WBP, E0/E1 Grade |
| Length Tolerance | Calibrated for Extended-Panel Consistency |
| Density | 650kg - 700kg/m3 |
Tall Surface Applications
- Staircase Stringers, Risers, and Understair Cladding
- Floor-to-Ceiling Wardrobe and Cabinetry Doors
- Continuous Interior Wall Paneling
- Tall Architectural Feature Walls
- Full-Height Door Core Panels
Core Competitive Strengths
- Joint-Free Tall Surfaces: Extended length eliminates the need for horizontal joints on tall architectural applications.
- Consistent Extended-Panel Bonding: Press equipment configured to maintain even pressure across the panel's full extended length.
- Staircase-Specific Suitability: Widely specified for stringers and risers where visible joints would compromise the design.
- Custom Length Flexibility: Available beyond standard extended dimensions to match specific project height requirements.
Trade Summary
| MOQ | 150 Sheets or Project-Based Quotation |
| Lead Time | 22-30 Days |
| Packaging | Reinforced Long-Panel Crating |
| Certifications | CE, ISO9001 |
| Raw Materials | Select Northern Birch Logs |
| Customization | Custom Length, Thickness, Grade |
About Us
Tianma Lvjian is China Long Length Birch Plywood Panels Manufacturers and Wholesale Long Length Birch Plywood Panels 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
ICTT-22019-TIANMA-LVJIAN-(NANTONG)-WOOD-STRUCTURE-TECHNOLOGY-CO.,-LTD
TJIN2412003437PL02-1_EN
TJIN2412003437PL01-1_EN
(65073)VCP-12177
(65072)VCP-12176
CE-EN 13986
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40000m³Safety stock -
65000m³Annual production capacity -
20+COUNTRIESExport to over 20 countries -
20+YEARSdedicated experience in the wood industry -
200+Highly qualified and technically competent personnel
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Logistics and Financial Terms
Long length panels require reinforced crating configured specifically for extended dimensions to prevent bowing during transit, which we factor into freight planning and quotation for these orders. Lead times typically run longer than standard sizing due to specialized veneer sourcing and production scheduling requirements. Standard payment terms of 30% T/T deposit with balance before shipment apply, and we recommend early project engagement to align production capacity with installation timelines.
Material Comparison
- Vs. Joined Standard Length Panels: Long length panels eliminate the horizontal joint line that would otherwise be visible when standard sheets are combined to reach a taller surface dimension.
- Vs. Solid Timber Long Boards: Long length plywood offers significantly better dimensional stability across its extended length than solid timber, which is more prone to warping and splitting at longer dimensions.
- Vs. MDF Long Panels: Birch long length panels provide superior screw-holding strength and a genuine wood grain surface compared to long-format MDF panels used in some architectural applications.
Manufacturing Considerations for Extended Panel Dimensions
Producing plywood at extended lengths requires veneer input of sufficient dimension, which in turn depends on sourcing appropriately long birch logs during the peeling process. Shorter logs simply cannot yield the continuous veneer sheet length required for long panel production without introducing an internal veneer joint that could compromise the panel's visual and structural consistency.
Our press configuration for long length panels is calibrated to maintain even pressure distribution across the extended panel surface, an important consideration since uneven pressure over a longer span can produce localized areas of weaker bonding. This calibration, combined with careful veneer sourcing, allows us to maintain the same bonding quality standard across our long length range as our standard dimension panels.
Reducing Joint-Related Material Waste on Tall Surfaces
Specifying long length panels for tall architectural applications reduces the trim, filler, and finishing material that would otherwise be required to disguise a horizontal joint between standard-length sheets. This more efficient use of material at the specification stage supports architectural projects aiming to minimize both installation waste and the long-term maintenance burden associated with joint lines on highly visible interior surfaces.
Frequently Asked Questions
Q: What is the maximum length you can produce?
A: Our standard long length range extends to 3660mm, with longer custom dimensions available on a project-quotation basis depending on veneer sourcing feasibility.
Q: Are long length panels as strong as standard length panels?
A: Yes, we maintain the same core construction and bonding quality standard across our long length range as our standard dimension panels.
Q: What is the typical lead time for long length orders?
A: Long length panels typically require 22 to 30 days due to specialized veneer sourcing and production scheduling.
Q: How are long length panels packaged for shipping?
A: We use reinforced crating specifically configured for extended dimensions to prevent bowing or damage during transit.
Q: What applications commonly specify long length panels?
A: Staircase construction and floor-to-ceiling wardrobe or cabinetry doors are the most common applications for this product line.
Q: Can long length panels be custom cut to specific project dimensions?
A: Yes, we can produce custom lengths tailored to your specific project height requirements.
Q: Is there a minimum order quantity for long length panels?
A: Standard long length orders begin around 150 sheets, though we can discuss project-based quotations for smaller custom volumes.
Q: What thickness range is available in long length format?
A: We produce long length panels from 9mm up to 21mm depending on the intended structural application.
Q: Do long length panels require special handling during installation?
A: Given their reduced rigidity relative to length, we recommend appropriate support during handling and can advise on best practices.
Q: Can this product be supplied with a decorative veneer face?
A: Yes, long length panels can be supplied with select-grade decorative veneer facing for visible architectural applications.
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