Interlocking flooring tiles are very popular in outdoor basketball courts, badminton courts, tennis courts, volleyball courts, etc., because they have lower purchase and maintenance costs than any other flooring material, and installation is very simple and accessible. In tropical regions, especially South America, Southeast Asia, and North America, the demand for this product is even greater, with basketball courts being the most popular application.
This guide, combining Dongxing Plastic’ years of production experience and user experience, interprets all aspects of PP tiles, from raw materials to applications, providing in-depth analysis of their materials and performance to help you make the best purchasing decisions.
1. Interlocking Flooring Materials: PP (Polypropylene) and TPE
These are the main materials used in the Modular sports flooring tiles market, with PP being the most representative. TPE thermoplastic materials have slightly fewer applications, and the two have some differences.
1.1 Rigid PP
- Hardness: 60D-90D (High rigidity, high load-bearing capacity, stable support)
- Temperature Range: -35℃~75℃ (after adding UV-resistant and antifreeze modifiers)
- Tensile Strength: 25-32MPa, Impact Strength ≥8kJ/m², not easily deformed under high-frequency rolling and vigorous exercise
- Weather Resistance: After adding UV-resistant stabilizers, antioxidants, carbon black/titanium dioxide, it will not fade, chalk, or become brittle after 3-5 years of outdoor exposure.
- Environmental Protection: Food-grade PP, formaldehyde-free, heavy metal-free, and odorless.
- Cost and Processing: Moderate raw material cost, mature injection molding technology, Dongxing has a complete injection molding production line.
Performance Description:
High hardness, not easy to collapse, good ball rebound, suitable for most outdoor sports courts, normal service life 8-15 years.
1.2 TPE Soft Plastic
- Hardness: 30A-60D (wide adjustable range; soft like rubber, hard like PP)
- Temperature Range: -20℃~60℃
- Elasticity and Cushioning: Shock absorption 35%-45%, superior cushioning performance compared to PP, softer underfoot feel
- Weather Resistance: Pure TPE material is prone to aging, discoloration, and stickiness outdoors.
Performance Description:
TPE is a polymer material that combines the elasticity of rubber with the processability of plastic, also known as modified PP. It emphasizes high cushioning and a soft feel, but its weather resistance and durability are slightly inferior to PP interlocking tiles. This interlocking tiles material is typically suitable for low-intensity recreational areas, kindergarten playgrounds, etc.
2. Interlocking and Perforated Structure
The structural design directly determines the cushioning performance, movement stability, durability, and deformation resistance of the modular flooring. From the surface, various patterns and textures are designed to provide different gaps for friction and drainage. The bottom is designed with multi-point support feet, with optional cushioning pads.
As a high-quality upgrade, this type uses thicker and stronger PP material in its structure. The cushioning pads are no longer added individually to the bottom support feet, but rather interlocked throughout the entire PP tile. This integrated support of the surface and bottom forms a unified “panel-elastomer-support foot” structure, providing seamless elasticity and better cushioning performance.
The interlocking design directly determines the stability of the entire modular sports flooring system, preventing breakage and widening gaps. The interlocking structure should be firmly connected, with both large and small latches working together to securely lock the tiles in place, ensuring stable installation and preventing loosening. Of course, the interlocking design varies between different models of interlocking tiles.
Selection Recommendation: If you don’t have special requirements for your outdoor court, a standard structure is sufficient. If you have a budget and professional-grade requirements, choosing a high-quality type is better.
3. Flexible Connection
In our interlocking sports flooring product series, there is a model with a flexible connection. Its main purpose is to address thermal expansion and contraction, improve ground adhesion, and enhance lateral cushioning.
Each floorboard is composed of multiple small units and flexible connections. An elastic buffer section is added at the locking points, forming an overall “rigid panel + flexible connection” structure.
This allows for better stress release during significant temperature changes, preventing cracking, warping, and other problems.
4. Material Damage and Embrittlement
The biggest safety hazard of outdoor interlocking flooring is the risk of breakage and shattering. This can directly lead to serious injuries such as falls and fractures, which is a major concern for many players. User feedback on Reddit, one of the world’s most popular forums, is not uncommon.
Core Reason: Using recycled or inferior PP raw materials, with excessive calcium powder (≥30%) and lack of UV/antifreeze agents, makes this problem prone to occur in a short period. Simply put, it’s a matter of the manufacturer’s conscience; the manufacturing process does not meet requirements. Alternatively, thinner materials may result in insufficient support, and structural design flaws can also lead to brittleness. Therefore, avoid products priced below the market average.
How can we solve this problem and prevent it from occurring?
Made from 100% virgin highly modified PP, with no recycled materials or calcium powder fillers, and produced with standard UV-resistant, antifreeze, and antioxidant additives. If you still have concerns before purchasing, we can provide publicly available videos of our production line, or you are welcome to visit our factory to verify the reliability of our materials.
Our materials pass weathering temperature tests: -35℃ freezing for 48 hours, 60℃ high-temperature exposure for 72 hours, and UV accelerated aging for 1000 hours. No fading, cracking, or deformation indicates compliance with standards.
We offer a 3-5 year warranty to eliminate the safety hazards of inferior products.
5. Practical Applications
Outdoor basketball, badminton, and tennis courts may be built in different locations such as schools, communities, clubs, and sports facilities centers, with varying usage frequencies and required strengths. Different thicknesses, structural patterns, and types can be selected to match different strength requirements, thus balancing costs.
Furthermore, in sports like roller skating and hockey, where a smooth surface is crucial, choosing materials with smaller perforations or even completely flat surfaces is more suitable. This ensures the smooth movement of the skates and hockey paddles without creating obstruction.
If you have any questions about choosing interlocking flooring materials, we are happy to listen to your needs and recommend the most suitable model with a corresponding quote. Dongxing, with 30 years of manufacturing experience, is committed to providing you with the most reasonable outdoor sports flooring solutions.
