Views: 0 Author: Site Editor Publish Time: 2026-07-03 Origin: Site
The global flooring industry has undergone significant changes over the past decade, with SPC (Stone Plastic Composite) flooring becoming one of the fastest-growing flooring products worldwide.
Its popularity is driven by several advantages:
100% waterproof performance
High dimensional stability
Excellent wear resistance
Easy click-lock installation
Low maintenance
Long service life
As demand continues to rise across residential, commercial, healthcare, education, and hospitality sectors, more manufacturers are investing in SPC flooring production lines.
But how exactly is SPC flooring manufactured?
In this guide, we'll explain the complete SPC flooring production process, from raw material preparation to finished product packaging. Whether you're planning to build a new flooring factory or upgrade an existing production line, this guide will help you understand every stage of the manufacturing process.
SPC flooring is a rigid vinyl flooring product made primarily from PVC resin and calcium carbonate (CaCO₃).
Unlike traditional vinyl flooring, SPC flooring has a rigid core that offers excellent dimensional stability and impact resistance.
A standard SPC flooring plank typically consists of five layers:
UV Coating
Wear Layer
Decorative Film
SPC Rigid Core
IXPE or EVA Underlayment (optional)
Each layer contributes to the flooring's durability, appearance, and performance.
Compared with laminate or hardwood flooring, SPC flooring provides:
Superior waterproof performance
Better scratch resistance
Stronger click-lock system
Lower maintenance requirements
Longer service life
These advantages make SPC flooring a preferred choice for modern construction projects.
The quality of raw materials directly affects the performance of the finished flooring.
PVC resin acts as the primary binding material and provides flexibility during processing.
Calcium carbonate makes up a large portion of the SPC core and provides:
High rigidity
Dimensional stability
Lower material costs
These improve:
Heat resistance
Processing stability
Lubrication
Product durability
The wear layer protects against scratches and abrasion, while the decorative film gives the flooring realistic wood, stone, or marble designs.
The first step is accurately weighing and preparing the raw materials according to the production formula.
A typical formulation includes:
PVC resin
Calcium carbonate
Stabilizers
Lubricants
Processing aids
Pigments (if required)
Accurate formulation is essential for maintaining consistent product quality.
All materials are blended in a high-speed hot and cold mixer.
This process ensures:
Uniform material distribution
Stable processing performance
Consistent product quality
The mixed compound is then transferred to the extrusion system.
The mixed material enters a conical or parallel twin-screw extruder.
Inside the extruder:
Materials are heated
PVC melts
Calcium carbonate disperses evenly
The compound is plasticized
The molten material exits through a precision T-die.
The extruder is considered the heart of the SPC flooring production line because it determines output, stability, and product quality.
After extrusion, the material passes through a multi-roll calender system.
This stage controls:
Sheet thickness
Width
Surface flatness
Density
Precision calendering ensures consistent board quality and minimizes material waste.
The SPC sheet is cooled using a cooling conveyor and trimming system.
It is then cut into standardized board sizes for downstream processing.
A UV coating line applies a protective finish to improve:
Scratch resistance
Wear resistance
Stain resistance
Gloss level
Modern UV coating systems also enhance cleaning performance and extend the flooring's lifespan.
Decorative PVC films are laminated onto the SPC core using hot pressing technology.
Manufacturers can produce various designs, including:
Oak
Walnut
Maple
Marble
Concrete
Custom patterns
This stage determines the final appearance of the flooring.
Precision CNC slotting machines create the click-lock edges that allow glue-free installation.
The accuracy of this step is critical because poor slotting can lead to installation issues and customer complaints.
Before packaging, each batch undergoes strict quality control.
Common inspection items include:
Thickness tolerance
Width accuracy
Surface appearance
Click-lock precision
Wear resistance
Flatness
Only products meeting quality standards proceed to packaging.
Finished flooring planks are automatically stacked, wrapped, labeled, and packed.
Many modern factories integrate robotic palletizing and automatic packaging systems to improve efficiency and reduce labor costs.
A complete production line typically includes:
High-speed hot mixer
Cooling mixer
Automatic feeding system
Twin-screw extruder
T-die
Vacuum calibration
Multi-roll calender
UV primer coating
UV curing
Surface finishing
CNC precision slotting
Automatic feeding
Dust collection
Stacking machine
Wrapping machine
Labeling machine
Palletizing system
A well-designed factory layout improves production efficiency and reduces material handling.
A typical layout includes:
Raw Material Storage
Mixing Workshop
Extrusion Area
Cooling & Forming Zone
UV Coating Line
Lamination Workshop
Slotting Workshop
Quality Inspection Area
Packaging & Warehouse
Efficient workflow reduces labor costs and improves production capacity.
Possible Causes:
Moisture in raw materials
Incorrect extrusion temperature
Poor plasticization
Solution:
Dry raw materials thoroughly
Optimize temperature settings
Adjust screw speed
Possible Causes:
Uneven calender pressure
Inconsistent extrusion output
Solution:
Calibrate calender rolls
Stabilize extrusion parameters
Possible Causes:
Worn cutting tools
Incorrect CNC settings
Solution:
Replace tooling regularly
Perform routine calibration
The total investment depends on:
Production capacity
Automation level
Machine configuration
Factory size
Auxiliary equipment
A complete turnkey project generally includes:
Mixing system
Extrusion line
UV coating
Lamination
Slotting
Packaging
Installation
Training
Working with an experienced supplier helps optimize both investment and long-term operating costs.
Turnkey solutions provide several advantages:
Factory layout planning
Equipment integration
Installation & commissioning
Operator training
Production optimization
After-sales technical support
This approach shortens the startup period and reduces operational risks.
Kingshine specializes in complete SPC flooring production solutions for manufacturers worldwide.
Complete turnkey factory planning
High-output twin-screw extrusion systems
Customized machine configurations
Advanced PLC automation
Global installation and commissioning
Comprehensive technical training
Long-term after-sales support
In addition to SPC flooring lines, Kingshine also supplies:
LVT Flooring Production Lines
PVC Flooring Production Lines
WPC Flooring Production Lines
PVC Profile Extrusion Lines
WPC Profile Extrusion Lines
The twin-screw extruder is the core machine because it determines plasticizing quality, production capacity, and overall product consistency.
Yes. SPC flooring is designed to provide excellent waterproof performance, making it suitable for kitchens, bathrooms, offices, hotels, and commercial spaces.
Yes. Decorative films can be changed to produce various wood, stone, and customized surface patterns without changing the core extrusion equipment.
The ideal capacity depends on your target market, budget, and production goals. Many new factories start with medium-capacity lines and expand as demand grows.
Kingshine provides factory planning, equipment manufacturing, installation, commissioning, operator training, and long-term technical support, helping customers build efficient and scalable SPC flooring manufacturing facilities.
The SPC flooring production process combines advanced extrusion, calendering, UV coating, lamination, and precision slotting technologies to produce high-performance rigid vinyl flooring.
Understanding every manufacturing step helps investors choose the right equipment, optimize production efficiency, and improve product quality.
For manufacturers seeking reliable machinery, turnkey engineering, and long-term technical support, Kingshine offers complete SPC flooring production solutions tailored to modern flooring factories worldwide.
