When reinforcing concrete, every detail matters. Achieving the correct concrete cover and maintaining stability during the pour is critical to the integrity and longevity of your structure.
At Danterr, we offer innovative solutions like the Pizza Plate. Designed to work with Plastic bar chairs and Metal wire chairs, this metal spacer ensures stable and precise reinforcement placement, helping you achieve better on-site results.
What is Pizza Plate?

A Pizza Plate is a circular metal spacer designed for use with bar chairs and wire chairs. Its main function is to provide a stable platform for reinforcing steel in concrete pours, ensuring the correct concrete cover is maintained. With its unique design and high-quality metal construction, the Pizza Plate is durable, reliable, and suited for demanding construction environments.
Benefits:
- Versatility: Works seamlessly with various bar chairs and wire chairs, suitable for a range of projects.
- Durability: Made from high-quality metal, ensuring strength and long-lasting performance in tough environments.
- Ease of Use: Quick installation with secure fitting, reducing labour time and costs.
- Protective Design: The plate prevents the thin legs of bar chairs and wire chairs from penetrating vapour barriers, waterproof membranes, or sinking into the sub-base, ensuring the integrity of underlying layers.
Technical Specifications:
- Material: High-grade metal for superior strength and stability.
- Compatibility: Fits a wide range of bar chair and wire chair sizes for consistent concrete cover.
- Compliance: Meets Australian standards.
Available Sizes:
| Product Code | Product Description |
| 101919 | Pizza Plates 154mm |
| 101920 | Pizza Plates 224mm |
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Applications of Pizza Plates
The Pizza Plate is a versatile solution for various construction projects. Here are some common applications where Pizza Plates excel:
- Commercial and Industrial Projects: In larger buildings like offices, factories, or warehouses, Pizza Plates ensures proper reinforcement positioning, which is vital for handling greater loads and maintaining structural integrity.
- Infrastructure Projects: For large-scale infrastructure such as tunnels, light rail systems, and wind farms, the Pizza Plate provides a stable base for reinforcement, ensuring concrete elements remain strong and durable in challenging conditions.
- Civil Engineering Projects: Pizza Plates are ideal for bridges, retaining walls, and other civil structures, ensuring precise placement of steel reinforcement for optimal performance and longevity.
How Pizza Plates Improve Bar and Wire Chair Performance
Both bar chairs and wire chairs play an essential role in maintaining the correct positioning of steel reinforcement in concrete structures. Here’s why they are indispensable:
Plastic Bar Chairs: These elevate reinforcing bars to the proper height within the concrete, ensuring the required concrete cover for durability and protection against corrosion.
Metal Wire Chairs: Commonly used with reinforcing mesh, wire chairs help maintain the correct position of the mesh within the slab, ensuring it remains properly embedded throughout the pour.
The Pizza Plate enhances the performance of both types of chairs by providing a stable and reliable base. It prevents any shifting or movement during the pour, ensuring that the steel reinforcement remains securely in place, which is vital for achieving uniform concrete coverage and structural integrity.
Conclusion
The Pizza Plate is a versatile solution for ensuring steel reinforcement’s correct positioning and stability in concrete pours. Designed to work with bar chairs and wire chairs, it supports a range of applications, from industrial and commercial projects to large-scale infrastructure developments. The Pizza Plate also prevents the legs of chairs from penetrating vapour barriers or waterproof membranes, safeguarding the integrity of underlying materials.
At Danterr, sustainability is central to our mission. Our Pizza Plates provide exceptional performance while promoting efficient material usage, reducing waste and the need for costly rework. By integrating sustainable practices with high-quality products, we help lower the environmental impact of construction projects. Contact our team at Danterr today to learn more about how this innovative product can enhance your construction practices.
📞: 1800 262 383
📧: [email protected]
Frequently Asked Questions:
Pizza Plates are essential for providing a stable base for bar chairs and wire chairs during concrete pours. Without them, the thin legs of these chairs can sink into the sub-base or shift position, leading to uneven concrete cover. By using Pizza Plates, you ensure that the steel reinforcement remains securely in place, maintaining the intended structural integrity and preventing costly rework caused by reinforcement movement or cover variation.
Pizza Plates significantly enhance the stability of concrete reinforcement by locking bar chairs and wire chairs into place. This helps prevent the movement of steel reinforcement during the concrete pouring process, ensuring that it stays in the correct position. The result is consistent concrete cover, which is critical for protecting reinforcement from corrosion and ensuring the long-term durability of the structure. This consistency also improves compliance with structural design specifications and building codes.
Yes, Pizza Plates are versatile and suitable for a wide range of construction projects. Whether you’re working on small residential builds, large commercial projects, or even major infrastructure developments like bridges, tunnels, and rail systems, Pizza Plates offer reliable reinforcement stability. Their adaptability to various sizes of bar chairs and wire chairs makes them useful across different applications, ensuring that reinforcement remains secure and well-positioned in any concrete structure.
The flat, wide surface of Pizza Plates prevents the thin legs of bar chairs and wire chairs from puncturing or damaging vapour barriers and waterproof membranes. This is crucial in applications where these layers protect the structure from moisture ingress or groundwater. By using Pizza Plates, you not only prevent these protective layers from being compromised but also maintain the overall integrity of the structure, reducing the risk of long-term water damage or structural weakening.
Pizza Plates are designed to be compatible with a wide range of bar chairs and wire chairs sizes. This flexibility makes them suitable for different reinforcement setups, from small residential slabs to large infrastructure projects. The Pizza Plate’s design allows it to securely accommodate various sizes of chairs, ensuring proper spacing and concrete cover, regardless of the size of the reinforcing steel being used. This adaptability makes Pizza Plates a valuable tool in any concrete reinforcement project.
No, Pizza Plates are generally not reusable. Once they are used in a concrete pour, they remain embedded in the structure along with the bar chairs and wire chairs. Their purpose is to stabilise the reinforcement during the concrete pour, and removing them would disturb the integrity of the reinforcement setup and the concrete itself. Since they are designed to stay in place and contribute to the structural stability, Pizza Plates are considered single-use products in construction projects.
Yes, Pizza Plates are ideal for outdoor projects. Their metal construction makes them highly resistant to environmental factors such as moisture, temperature fluctuations, and exposure to outdoor elements. Whether you’re working on outdoor slabs, foundations, or larger infrastructure like bridges and tunnels, Pizza Plates provide the durability and reliability needed for external environments. They help ensure that reinforcing steel remains stable and correctly positioned, regardless of weather conditions.
Pizza Plates enhance the performance of bar chairs and wire chairs by providing a solid and stable base that prevents the legs from sinking into the sub-base or shifting during concrete pours. Without this support, the chairs could move, causing the steel reinforcement to be displaced. This could result in uneven concrete cover, which can weaken the structure over time. By locking the chairs in place, Pizza Plates ensure that the reinforcement remains securely positioned, resulting in consistent and durable concrete reinforcement.
Yes, Pizza Plates are specifically designed to prevent lateral movement of bar chairs and wire chairs during concrete pours. The wide base of the Pizza Plate stabilises the chair, ensuring that the reinforcing steel stays in place even as concrete is poured and vibrated. This stability is essential to avoid misalignment or uneven concrete cover, which could compromise the structure’s integrity. By using Pizza Plates, contractors can ensure that the reinforcement remains where it’s intended, improving the overall quality of the concrete pour.
Choosing the right Pizza Plates for your project depends on the type of reinforcement you’re using and the specific requirements of the job. Consider the size and type of bar chairs and wire chairs being used, as well as the type of concrete structure you’re working on (e.g., residential, commercial, or infrastructure). For complex projects or where precise concrete cover is critical, consulting with a supplier like Danterr can help you select the most appropriate Pizza Plate that meets the necessary load requirements and industry standards. This ensures that your reinforcement remains stable and secure throughout the concrete pour.
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