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Material Overview
Wood plastic composite flooring, usually called WPC flooring, has become a practical choice for homeowners, contractors and commercial buyers who want a floor that feels warmer than stone, resists moisture better than solid wood and needs little upkeep. The term covers two families of products that share a similar material concept but serve very different purposes. One family is indoor rigid core vinyl planks with a soft foamed core. The other is outdoor decking boards built for patios, balconies and walkways exposed to sun, rain and freezing temperatures.
This guide compares both families, explains the construction details that matter when you buy, and gives practical numbers for planning, installation and budgeting. Whether you are sourcing for a residential renovation, a commercial fit-out or an export project, the goal is to help you match the product to the conditions it will face.
WPC stands for wood plastic composite. The raw mix typically combines wood fiber, bamboo powder or agricultural fiber such as rice husk or straw with thermoplastic resin such as polyethylene, polypropylene or PVC. The blend is heated and extruded into a profile, and the finished board is cut, cooled and finished on the surface. Because the fiber is locked inside a plastic matrix, the board avoids the swelling and rot that affect untreated timber in damp environments.
A multi-layer plank with a wear layer, a printed design layer, a foamed WPC core and a pre-attached underlayment. Built for living rooms, bedrooms, offices and rooms above unheated spaces.
A dense, weather-resistant board, either hollow or solid, with a textured surface. Built for balconies, courtyards, pool surrounds and commercial walkways.
Indoor WPC vinyl is usually sold as a click-lock floating floor. Its four layers each contribute to comfort, durability and sound performance, so understanding them helps you compare products on equal terms.
Both WPC and SPC are rigid core vinyl planks and can look identical on the surface. The core is what separates them. WPC has a foamed wood plastic core that is softer, warmer and thicker. SPC has a stone plastic core that is harder, denser and more dimensionally stable in wet conditions. Choose WPC when underfoot comfort and sound absorption matter most. Choose SPC when moisture exposure and dent resistance are the priority.
| Dimension | WPC Vinyl | SPC Vinyl |
|---|---|---|
| Core material | Foamed wood plastic composite | Stone plastic composite |
| Core density | Lower, lightweight | Higher, dense |
| Underfoot feel | Soft and warm | Firm and solid |
| Sound absorption | Strong | Moderate, usually needs added underlayment |
| Dent resistance | Moderate | High |
| Moisture performance | Moisture resistant | Highly moisture resistant |
| Typical thickness | Often 5 to 8 mm | Often 4 to 6 mm |
| Relative price | Mid range | Mid range to slightly higher |
Outdoor WPC decking is designed to handle ultraviolet exposure, temperature swings and standing water. Two generations dominate the market, and the profile shape changes how the board performs and how it looks.
A single-layer board with a 3D embossed surface. It offers a natural look at a lower cost, but its colour can fade faster under strong sunlight.
A board with a protective outer shell that is co-extruded with the core. The shell adds UV resistance and helps the colour stay stable for longer.
For decking exposed to the weather, check four performance points: UV resistance to slow colour change, freeze-thaw tolerance for cold climates, corrosion resistance around fasteners, and slip resistance on wet surfaces. A surface with a coarse or grooved texture generally improves grip in wet conditions.
Indoor WPC vinyl suits spaces where comfort and quiet matter. Home gyms, yoga studios and craft rooms benefit from the softer surface when people stand for long periods. Upper-floor installations gain noise reduction from the foamed core. Households with older pets or family members with joint concerns often prefer the cushioned feel. Playrooms and children's spaces benefit from the forgiving surface, and rooms above unheated crawl spaces feel warmer underfoot.
Choose WPC when comfort underfoot and sound absorption outweigh the other performance factors in your specific situation.
WPC core resists moisture well but is not fully waterproof. For basements or areas with frequent standing water, a rigid core with a denser construction is the safer choice.
| Flooring Type | Best Fit | Main Limitation |
|---|---|---|
| WPC vinyl | Comfort, noise control, warm feel | Not fully waterproof |
| SPC vinyl | Wet areas, heavy foot traffic | Harder underfoot |
| Laminate | Budget projects, dry rooms | Vulnerable to standing water |
| Engineered hardwood | Classic look, resale value | Higher cost, needs careful climate control |
WPC vinyl uses a click-lock floating system, so no glue or nails are required. It can be laid over most existing hard surfaces when the subfloor is flat and clean.
Acclimate the planks in the room for about 48 hours before installation.
Check that the subfloor is flat within a tolerance of about 3 mm over 2 metres.
On above-grade concrete, lay a 6 mil polyethylene vapour barrier before the planks.
Leave an expansion gap of about 1/4 inch around the perimeter and against fixed objects.
Do not add a separate underlayment when the planks already have a pre-attached EVA layer.
Cost depends on product type, thickness, order size and installation method. Indoor WPC vinyl is usually priced per square foot or square metre, while outdoor decking is usually priced per linear metre or per board.
Add about 10 percent for waste when calculating how much flooring to order, and more for complex room shapes or diagonal layouts.
Professional click-lock installation is generally faster and more consistent than DIY, particularly in large open-plan spaces.
Profile type, co-extrusion, surface texture, board dimensions and order volume all affect unit price.
For bulk buyers, price comparisons work best when they use the same thickness, wear layer and profile, since small specification differences can change the cost substantially.
WPC stands for wood plastic composite. It describes a material made by combining wood or plant fibres with thermoplastic resin and forming the mix into boards or planks.
WPC flooring is moisture resistant, which means it handles spills and humidity well. It is not fully waterproof, so standing water for long periods should still be avoided.
WPC has a softer, warmer foamed core that absorbs sound well. SPC has a harder, denser stone plastic core that performs better in wet conditions and resists dents more effectively.
The surface is comfortable and reasonably scratch resistant, but claws can still mark the wear layer over time. A wear layer of 20 mil or more is recommended for busy households.
It can be used in some basements if the moisture level is controlled and a vapour barrier is installed. Areas with frequent water exposure usually suit a denser rigid core better.
It depends on priorities. WPC often costs about the same as SPC, and its main advantage is comfort and sound absorption rather than moisture performance.
The main types are first generation embossed boards, second generation co-extruded boards, hollow profiles, solid profiles, interlocking deck tiles and aluminum plastic co-extruded boards.
Yes, when the tile surface is flat, clean and firmly bonded. Any cracks or high edges should be levelled first so the click-lock joints stay tight.
Co-extruded boards resist fading better than single layer boards because the outer shell contains UV protection. Some gradual colour change is still normal over many years of exposure.
Focus on wear layer thickness, core construction, the type of attached underlayment, certifications and warranty scope. These factors determine how the floor will hold up to daily use.
Decide between co-extruded and standard boards, hollow or solid profiles, and whether the formula includes UV protection. Surface texture matters for safety, and custom colours or sizes may suit larger commercial projects.
Many suppliers can adjust colours, textures and board sizes for larger projects, which helps architects and developers match a specific design brief.
WPC flooring covers two useful product families: soft, rigid core vinyl planks for indoor comfort and weather resistant decking for outdoor spaces. Your choice should follow the conditions of the room or site, including comfort needs, noise control, moisture exposure and budget. Browse our full range of WPC flooring to find options that suit your residential or commercial project.
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