Three-hole Hollow Blow-molded Seat
Our premium blow-molded spectator seats are engineered to redefine audience comfort and venue durability. Designed for high-traffic environments, these seats combine robust construction with ergonomic aesthetics. Whether for a world-class stadium or a local school gym, our seating solution ensures long-lasting performance and visual appeal.
Advanced Material Technology: Why HDPE?
The Blow Molding Process: Superior Durability
Unlike standard injection-molded seats, our seats are manufactured using Blow Molding Technology.
● Seamless Structure: This process creates a hollow, double-walled structure without welding seams. This significantly increases the structural integrity and load-bearing capacity.
● Uniform Wall Thickness: Ensures consistent strength across the entire seat surface.
● Lightweight yet Strong: The hollow design reduces the overall weight, making installation easier and reducing the load on the grandstand structure, without compromising on strength.
●Three-hole Fixed Design：Standard triangular mounting holes allow direct fixation with expansion bolts on concrete steps or metal brackets, enabling quick installation while maintaining stability.
Ergonomic Design for Maximum Comfort
We understand that spectators often sit for hours. Our design focuses on human-centric engineering.
● Curved Backrest: The backrest is contoured to support the natural curve of the human spine, reducing fatigue.
● Rounded Edges: All edges are smooth and rounded to prevent injury and ensure safety for children and adults alike.
● Textured Surface: A subtle texture on the seat surface prevents slipping and enhances grip, while also hiding minor scratches.
● Ventilation & Drainage: The design often incorporates gaps or specific shapes that allow rainwater to drain quickly and air to circulate, keeping the seat dry and cool.
Installation Options
Our seating system is adaptable to various venue structures.
Fixed Type
Bolted directly to the concrete or steel risers for permanent stability.
Applications: Where Can They Be Used?
Our blow-molded seats are the preferred choice for a wide range of facilities:
Outdoor Sports Stadiums
Ideal for football, track and field, and baseball stadiums. The seats are engineered to withstand harsh weather conditions, including intense sunlight, heavy rain, and freezing temperatures, without cracking or fading.
Indoor Gymnasiums & Arenas
Perfect for basketball courts, indoor volleyball courts, and multi-purpose halls. The sleek, tip-up design saves aisle space and ensures safe evacuation, while the vibrant colors add energy to the indoor environment.
Educational Institutions
A top choice for schools and universities. Our seats are durable enough to handle daily student use and require minimal maintenance, making them a cost-effective solution for school auditoriums and campus stadiums.
Community & Leisure Centers
Suitable for public parks, community activity centers, and concert venues. The ergonomic design provides comfort for long periods of sitting, enhancing the experience for audiences attending cultural events or leisure activities.
Customization & Maintenance
● Color Variety: Available in a wide spectrum of colors (Red,orange, Yellow, Green, Blue, etc.) to match your team colors or venue branding. Custom colors are available upon request.
● Easy to Clean: The smooth surface resists graffiti and dirt. Graffiti can be easily removed with standard solvents, and the seats can be pressure washed without damage.
● Low Maintenance: No painting or sealing required. Once installed, they require minimal upkeep.
Technical Specifications
| Material | High-Density Polyethylene (HDPE) |
| Process | Blow Molding |
| Dimensions |
[420 Width] x [460 Depth] x[310 Height] mm |
| Colors | Custom Color |
Installation Diagram
parts Three screws with adhesive pads. Three lids.
Installation instructions.
1. Align the chair, identify the marking for the drillinglocation.
2. Remove the seat surface and drill holes on the steps.
3. Position the seat surface. Through the screw holes on
the seat surface, tighten the screws
4.Seal the screw hole with a cover plate.
5.Installation complete.
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