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Nantongbang Industrial Park, No. 80, Fumin Road, Yuanshanbei Village, Changping Town, Dongguan City, Guangdong, China
Dual-Use Vertical Exterior Flat Panel | Sunlight-Stable ASA Skin | Wash-Only Upkeep for Facades, Balconies, Canopies & Verandas
Necowood Co-extruded ASA Flat Wall Siding is a dual-orientation exterior flat WPC board made for architects, specifiers, and contractors looking for premium flat facade cladding. A rigid WPC core is permanently fused with an ASA skin — high-performance polymer built for long-term color retention and weather stability in fully exposed exterior wall applications.
This flat profile delivers clean, seamless vertical wall finishes. The sealed ASA outer layer blocks UV degradation, moisture penetration and salt air erosion. Unlike natural timber, there is no need for painting, staining or regular sealing. Maintenance is limited to simple washing. Necowood supports project customization: bespoke hues, raised wood grain texture, custom cut lengths and private-label manufacturing for distributors and contractors.
Colorfast under intense sunlight; resists damp, humid and salt-laden coastal air, prevents fading and surface degradation.
Wash-only upkeep. No painting, staining or sealing after installation. Cut long-term maintenance costs for commercial and residential projects.
Custom color matching, tactile raised grain, cut-to-size lengths, OEM private label and custom development for bulk orders.
Standard Palette: Necowood’s ASA flat siding includes Champagne Gold, Light Ash, and Deep Oak tones, each with raised tactile wood grain. The dimensional embossed grain creates natural timber visual effect on flat wall surfaces.
Texture: Tactile Deep Grain, non-printed 3D embossing. Custom grain patterns and bespoke color matching available for large project orders. Contact factory for physical swatch cards and texture samples.
Damp-resistant flat cladding for residential and commercial carport vertical surfaces, resistant to road spray and exhaust fumes.
Lightweight flat panels for garden pergola and gazebo vertical facades, matches outdoor landscape aesthetic.
Chlorine & humidity resistant ASA surface for swimming pool surrounding exterior walls, keeps moisture away from WPC core.
Stain-resistant flat wall panels for outdoor cooking areas, easy to wipe grease and smoke residue.
Provides finished overhead plane for freestanding garden pavilions and patio roofs. Rigid board stays flat without sagging.
Finishes walls and ceilings in outdoor bar and dining zones. Withstands food-service cleaning and constant humidity.
Uniform grain flat panels for shopfront exterior wall return, keeps storefront visual line consistent.
Same panel wraps vertical wall and transitions to overhead soffit, eliminating visual seam at junction.
Durable flat cladding for bus shelters and outdoor waiting zones, withstand repeated cleaning and all-season weather.
| Item | Specifications |
|---|---|
| Profile Size | 210 × 21 mm |
| Standard Lengths | 2.2 m / 2.9 m / 5.8 m (custom cutting available) |
| Material | Co-extruded WPC (wood-plastic composite core + ASA outer skin) |
| Surface Treatment | Co-extruded ASA cap with embossed wood grain |
| Fire Rating | B1 (EN 13501-1) / Class A (ASTM E84, FSI ≤25, SDI ≤450) |
| Water Absorption | < 5% |
| Thermal Conductivity | 0.20 W/(m·K) |
| Thermal Expansion | 0.04 mm/m°C |
| Recommended Joist Spacing | 400–600 mm (residential); 300–400 mm (commercial) |
| Board Gap | 3–6 mm between adjacent boards (varies with installation temperature) |
| Installation Method | Concealed clip system on wooden or aluminum battens |
| Maintenance | Wash-only; no painting, staining, or sealing required |
| Service Life | 25+ years (typical for co-extruded WPC cladding) |
Contact us for test reports specific to this profile.
For specific requirements, contact the Necowood factory team with your project drawings or sample references.
| Criteria | Co-extruded WPC | Timber | Aluminium |
|---|---|---|---|
| Upfront Cost | Mid-range | Low–High (species dependent) | Highest |
| Maintenance | Wash-only; no painting or sealing | Annual sealing or oiling; sanding every few years | Low, but corrosion risk in coastal/industrial air |
| Lifespan | 25+ years | 25–75 years (heavily maintenance-dependent) | 50+ years (if no corrosion) |
| Moisture Resistance | Sealed ASA skin blocks moisture ingress | Requires treatment; prone to swelling and rot | Does not absorb moisture |
| UV / Fade Resistance | Co-extruded ASA cap; colorfast | Greys and fades without regular treatment | Paint coating may chalk or peel over time |
| Wood-Grain Appearance | 3D embossed, tactile grain | Natural grain; authentic | Flat; cannot replicate timber texture |
| Installation | Concealed clip system; standard tools | Straightforward; labour varies by profile | Complex; requires specialist teams |
| Coastal / Salt Air | Suitable | Poor without marine-grade treatment | Corrosion risk; needs protective coating |
| Fire Rating | B1 / ASTM E84 Class A available | Requires fire-retardant treatment | Non-combustible; Class A |
| Recyclability | Partial (WPC composite) | Biodegradable / reusable | Fully recyclable, but collection is difficult |
Comparison compiled from published industry data. Whole-life cost varies by project location, climate, and maintenance regime.
Address
Nantongbang Industrial Park, No. 80, Fumin Road, Yuanshanbei Village, Changping Town, Dongguan City, Guangdong, China
To contact us, please submit your inquiry using the form below and we will get back to you as soon as possible.
You can send us attachments or pictures via info@necowood.com
Nantongbang Industrial Park, No. 80, Fumin Road, Yuanshanbei Village, Changping Town, Dongguan City, Guangdong, China