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Factory Direct 219mm 26mm WPC Great Wall Cladding High Loading Capacity Fluted Wall Panel

Product Summary

This factory-direct 219mm * 26mm first-generation WPC Great Wall cladding is engineered specifically for volume B2B sourcing. Featuring a distinct fluted profile that provides commercial-grade structural strength, this composite wall panel is precision-optimized to deliver exceptionally high loading capacity per container, significantly reducing international shipping and procurement costs for global building material wholesalers and contractors.

Why the 219mm * 26mm Profile is the Golden Ratio for WPC Wall Panel

In the international wood-plastic composite (WPC) industry, the 219mm * 26mm first-generation fluted wall panel is universally recognized by engineers and volume distributors as the "Golden Ratio." This specification is not a marketing gimmick; it is the mathematically optimized solution balancing shipping costs, structural physics, installation efficiency, and architectural aesthetics.

1. Container Optimization for Maximum Loading Capacity

For overseas B2B buyers, ocean freight represents a major percentage of total procurement costs. Because fluted panels feature a corrugated structure, shipping non-optimized sizes often results in paying for "trapped air."

Maximized Space Utilization: The 219mm width combined with the 26mm thickness is geometrically engineered to fit the internal dimensions of a 40HQ container perfectly when palletized.
Perfect Weight-to-Volume Balance: The internal hollow structure and wall thickness are calibrated so that the container hits its maximum weight limit (26 tons) precisely as the volumetric space is fully utilized. This minimizes the dead freight cost per square meter for wholesalers.

2. Advanced Structural Stability and Deflection Resistance

First-generation WPC materials contain natural wood fibers, making thermal expansion and contraction a critical engineering challenge in exterior environments.

Heavy-Duty 26mm Thickness: Unlike thin 15mm-18mm economy panels, the 26mm profile delivers excellent flexural strength (≥ 25 MPa) and wind-load resistance. It ensures that internal stress is evenly distributed under intense sunlight, preventing warping or buckling.
The 219mm Anti-Warping Span: In the extrusion process, wider composite profiles are prone to cupping. The 219mm span is the maximum safe width that maintains large linear coverage while keeping the horizontal thermal expansion coefficient strictly within safe engineering limits.

3. Labor-Saving Installation and Higher Net Yield

Contractors choose materials based on labor speed and onsite material waste.

High Net Coverage: The 219mm nominal width translates to a clean 200mm effective net coverage per board after interlocking. This uniform metric simplifies area calculations on-site.
Fast Project Turnover: Compared to narrower 150mm fluted panels, using the 219mm profile reduces the number of interlocking joints and joist clips required by up to 30%, drastically cutting down labor hours and lowering total installation costs.

4. Architectural Aesthetics & Shadow Line Depth

From a visual scaling perspective, this specific ratio offers the most striking architectural presence.

Optimized Shadow Line Depth: The 26mm overall thickness allows for a fluted groove depth of 15mm-18mm. This depth creates bold, distinct shadow lines under natural sunlight, giving the facade a high-end, three-dimensional texture.
Perfect Long-Distance Perspective: The spacing of the multi-flute waves is perfectly balanced. It is tight enough to look refined up close, yet wide enough that the corrugated texture does not blur into a flat surface when viewed from a distance, fulfilling modern minimalist design standards.

Technical Specification

Technical Property	Test Standard	Specification Value
Product Profile	Physical Measurement	219mm * 26mm
Product Type	Manufacturing Process	1st Generation Hollow WPC Wallpanel
Profile Structure	Architectural Design	Fluted / Multi-Flute Corrugated Profile
Fire Retardant Rating	EN 13501-1 / GB 8624	B1 - s1, d0 (Class B1 Difficult to Ignite)
Material Composition	Factory Formula	60% Wood Fiber, 30% HDPE, 10% Chemical Additives
Flexural Strength	EN 15534-4 / ASTM D7032	≥ 25 MPa
Flexural Modulus	EN 15534-4	≥ 3000 MPa
Termite & Mold Resistance	ASTM G21 / EN 318	Grade 0
UV Resistance	ISO 4892-2	Grey Scale ≥ 3-4

Certification

Application Gallery

WPC wall panel installation in commercial building exterior

Close-up view of installed fluted wall panel showing texture

Large-scale WPC wall panel installation project

Our Factory

Production line with advanced extrusion equipment

FAQ

Q1: What is the effective coverage width of this 219mm fluted profile?

A: The nominal width is 219mm, but due to the interlocking tongue-and-groove system, the effective net coverage width is exactly 200mm per board. This makes area calculations highly predictable for project contractors: exactly 5 boards are required to cover 1 linear meter of wall width.

Q2: Why does the 219mm * 26mm size offer a "High Loading Capacity" for ocean freight?

A: Fluted panels are typically prone to leaving empty volume ("shipping trapped air") inside a container. Our 219mm * 26mm geometry has been precision-engineered to align with standard export pallet dimensions. It allows the maximum number of square meters to be packed tightly into a 40HQ container, ensuring the volumetric space is completely utilized just as the shipment reaches the maximum ocean freight weight limit (26 tons).

Q3: Does this composite cladding achieve a certified B1 fire rating?

A: Yes. This exterior fluted cladding is manufactured to meet the B1 fire-retardant standard (tested under EN 13501-1 Class B-s1, d0). It is classified as a difficult-to-ignite building material that effectively retards flame spread, emits minimal smoke, and produces no flaming droplets, fulfilling the stringent safety codes of commercial facades and public infrastructure.

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Categories	Exterior WPC Wall Panel
Supply Ability:	1000000pcs/week
Mold Resistance:	Grade 0
Waterproof:	Yes
Model Number:	FS-219-26
Weight:	8 kg per panel
MOQ:	20packages
Delivery Time:	5-8workdays
Flexural Modulus:	≥ 3000 MPa
UV Resistance:	Grey Scale ≥ 3-4
Payment Terms:	Western Union,T/T,D/P,D/A,L/C
Termite Resistance:	Grade 0
Sound Insulation:	Good sound absorption properties
Price:	$1.6-2.1
Fire Retardant Rating:	B1 - s1, d0
Certification:	CE，SGS
Material Composition:	60% Wood Fiber, 30% HDPE, 10% Chemical Additives
Brand Name:	Vanshine
Product Profile:	219mm*26mm
Place of Origin:	China
Flexural Strength:	≥ 25 MPa
Packaging Details:	pallet/carton
Surface Treatment:	3D embossing, Embossing, Groove