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LWD-E4100 Waterproof Co-Extruded WPC Decking for Wet Environments

WPC DECKING FLOOR
WPC(wood plastic composited) decking flooring is made of plastic, wood powder, calcium powder, antioxidants, anti-UV agents and other materials, and then produce panels or profiles through plastic processing processes such as extrusion, molding and injection molding.

WPC composite flooring is an great ideal alternative to traditional hardwood panels. It is could be used for Commercial, Office, Residential, Home, Garden, Swimming Pool, Seaside, Riverside, Lakeside and etc. Wide range of scenarios

There three types WPC decking floor: Classic WPC decking floor, embossed/3D-embossed WPC decking floor and co-extruded WPC decking floor, They could be used in outdoor also could be used in indoor.
 
  • LWD-E4100

  • LongWell

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Overview


The LWD E4100 Super Protect Waterproof Co Extrusion WPC Decking Board is the ultimate solution for environments where water resistance is non-negotiable. Engineered with a triple-layer co-extrusion process, this decking features an impermeable outer shell, a moisture-resistant core, and a slip-resistant surface, making it ideal for the wettest and most challenging environments—from pool decks in tropical resorts to bathroom floors in coastal homes.


Features


Military-Grade Waterproofing System

The proprietary co-extrusion process fuses three layers:

Outer Layer

1mm ASA polymer coating with a water contact angle of 110°, causing water to bead and roll off, taking dirt with it.

Middle Layer

WPC core infused with hydrophobic additives, reducing water absorption to less than 0.5% by weight.

Inner Layer

Reinforcing fiberglass mesh for dimensional stability, even when submerged for short periods (e.g., flood-prone areas).This system has passed the ASTM D570 water absorption test with flying colors, outperforming both traditional WPC and PVC decking.

Enhanced Safety for Wet Conditions

The surface features a micro-textured finish (Ra 3.2μm roughness) that meets OSHA slip-resistance standards (COF ≥ 0.6 wet), making it safer than polished stone or natural wood when wet. The texture is subtle enough to avoid trapping debris, yet effective enough to provide secure footing in showers, saunas, or poolside zones where barefoot use is common.

Corrosion Resistance for Harsh Environments

In coastal areas, the decking’s polymer shell resists degradation from salt spray (tested via ASTM B117 salt fog chamber for 1,500 hours with zero surface pitting). For commercial kitchens or industrial settings, it withstands exposure to oils, greases, and mild chemicals, as the non-porous surface prevents staining and simplifies cleanup with degreasing agents.

Thermal Shock Resistance

The composite material maintains its structural integrity through rapid temperature changes, a critical feature for areas like ski resorts where decks transition from sub-zero nights to sunny days. Laboratory tests show no cracking after 500 cycles of -20°C to +60°C, ensuring longevity in alpine or desert climates.

Design Flexibility in Wet Zones

Available in four glossy finishes (jet black, pearl white, ocean blue, and stone grey), the decking adds a touch of luxury to bathrooms, spas, and indoor pools. The 20mm thickness allows for installation over radiant heating systems in bathrooms, providing both warmth and waterproofing in a single solution.


Application


Pool & Spa Environments: In luxury resorts, use the pearl white variant for pool decks, where its reflective surface stays cool underfoot and the waterproof core prevents damage from constant chlorinated water exposure. The slip-resistant texture is ideal for kids’ splash pads and elderly care facilities.

Coastal Living: Beachfront homes benefit from the decking’s saltwater resistance, using it for boardwalks, outdoor showers, and even submerged dock areas (when properly supported). The glossy finishes enhance the coastal aesthetic, reflecting the shimmer of the sea.

Commercial Wet Spaces: Gym showers, veterinary clinics, and food processing facilities rely on its easy-to-clean, hygienic surface. The impermeable layer prevents bacteria growth, making it compliant with strict health and safety regulations.


Product Name
Solid And Hollow Co-Extrusion WPC Decking
Size
140mm x 22mm or upon your request
Length
 2.2m, 2.4m, 2.6m, 2.9m, 3m, 3.6m, 4m, 5.8m or upon your request
Component
60% Wood Powder+35% HDPE +5% Additives
Colors
33 colors for choice  (Solid Colors , Light Mixed Colors and Strong Mixed Colors )
MOQ
1 X 20ft Container
Features
1. 100% recycling, could be easily installed and uninstalled
2. Very easy installation, low labor cost
3. No need painting, No need maintenance.
4. Great Anti-UV performance, very low color fading
5. Fire-resistant, fire will die itself
6. Waterproof, only 0.15% water absorbing
7. Anti-Corrosion, could be used for more than 25 years
8. Crack resistant, we serve 15 years warranty for cracking.



MT Co-extrusion decking- Optional Color1


Physical and Chemical Properties
Item(s)
Test Result(s)
Test Method(s)
Density
1.33g/cm3
ASTM D792-00
Moisture Content
0.2%
ASTM D7031-11 Section 5.15
ASTM D4442-16 Method B
Screw withdrawal test
3353N
ASTM D7032-17 Section 5.5
ASTM D1761-12
Impact Resistance
>133J
ASTM D4495-16
Specific Gravity
1.31
ASTM D7031-11 Section 5.14
ASTM D792-13 Method A
Shore Hardness
D/70/1
ASTM D2240-15
Mouldproof level
0[1]
ASTM G 21-15
Formaldehyde Emission
0.02ppm[2]
ASTM D6007 -14
Soluble heavy metal
ND[3]
ASTM F963- 16(Clause 8.3)
Fire-Proof Level
Bf1
EN ISO 9239-1:2010
EN ISO 11925-2:2010+AC:2011
[1] Mold rating standard: 0 — No mildew or discoloration on the surface

[2] 1 ppm = 1 mg/kg = 0.0001%

[3] ND = Not detected ( < Method detection limit )


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