
Roland Garros is a complex of tennis courts and stadiums located in Paris, France, that hosts the French Open, a major tennis championship played annually in late May and early June. The process of painting the lines at Roland Garros involves several steps to ensure accuracy and visibility on the clay courts. The first step is preparation, which involves measuring and scraping down the red clay surface to the limestone layer to create a smooth and even surface for the lines to be painted on. Then, a thin coat of linseed oil is applied to improve the adherence of the paint. Two coats of white paint are then applied to the prepared surface, and the lines are marked out with thread and scraped to a width of 6 cm.
| Characteristics | Values |
|---|---|
| Court surface | Clay (red dirt), crushed brick, limestone |
| Court colour | Red |
| Number of layers | 5 |
| Total thickness of layers | 80 cm |
| Line marking process | Edging (creating a groove in the clay using a machine) |
| Line thickness | 6 cm |
| Line paint type | Thick, similar to road paint |
| Number of coats of paint | 2 |
| Adhesive used | Linseed oil |
| Line maintenance | Regular maintenance throughout the tournament |
| Number of workers per court | 4, with 6 assigned to show courts |
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What You'll Learn
- Preparation: The clay surface is measured and scraped down to the limestone layer
- Application of linseed oil: A thin coat is applied to the scraped surface to improve paint adherence
- Painting the lines: Two coats of thick white paint are applied to the prepared surface
- Maintenance: Regular maintenance is required throughout the tournament
- Edging: A machine creates a groove in the clay to keep the lines in place

Preparation: The clay surface is measured and scraped down to the limestone layer
Preparation is a crucial step in the process of painting the lines at Roland Garros, ensuring accuracy and visibility on the clay courts. This step involves carefully measuring and scraping down the distinctive red clay surface to expose the limestone layer underneath. The scraping process is meticulously executed to achieve a uniform depth of 7.6 cm (3 inches) across the entire court. This depth ensures that the lines will be painted at a consistent thickness.
The scraping process serves two primary purposes. Firstly, it creates a smooth and even canvas for the subsequent application of paint. By removing the top layer of clay, the workers prepare a stable base that enhances the adhesion and durability of the paint. This meticulous preparation is essential for achieving the precise and well-defined lines required for competitive play.
Secondly, the scraping process exposes the limestone layer, which forms the foundation for the court's playing surface. Limestone, with its light hue, provides a visual contrast to the red clay, creating the distinct and recognisable colour combination that Roland Garros is known for. This contrast between the clay and the limestone layer is not only aesthetically pleasing but also functionally important, as it helps players clearly discern the lines during play.
The preparation phase is a labour-intensive process that requires a skilled team to ensure uniformity across the entire court. The scraping must be executed with precision to avoid creating uneven patches or grooves that could impact the ball's trajectory or cause tripping hazards for players. Once the scraping is complete, the court takes on a new appearance, with the limestone layer providing a temporary transformation before the application of linseed oil and paint in subsequent steps.
Overall, the preparation step, including measuring and scraping down to the limestone layer, sets the foundation for the distinct visual identity of the Roland Garros clay courts. This phase is integral to the larger process of line painting, ensuring that the courts meet the standards of professional tennis tournaments in terms of both aesthetics and functionality.
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Application of linseed oil: A thin coat is applied to the scraped surface to improve paint adherence
The process of painting the lines at Roland Garros involves several steps to ensure accuracy and visibility on the clay courts. The first step is preparation, which involves measuring and scraping down the red clay surface to the limestone layer, creating a smooth and even surface for the lines to be painted on.
Then, a thin coat of linseed oil is applied to the scraped surface. This step is crucial as it improves the adherence of the paint to the clay. The oil acts as a primer or undercoat, providing a better surface for the paint to stick to and creating a stronger bond between the paint and the clay court. This helps ensure that the lines are durable and can withstand the impact of tennis balls and the movement of players during matches.
The specific amount and concentration of linseed oil to be applied is carefully calculated to achieve the optimal level of paint adherence. The oil is typically applied using specialised tools such as rollers or brushes, ensuring an even and consistent distribution across the entire surface of the lines. This step requires precision and attention to detail to avoid applying too much or too little oil, which could affect the paint's adhesion.
Additionally, the environmental conditions, such as temperature and humidity, are considered during the application of the linseed oil. Maintaining an optimal climate ensures that the oil dries properly and forms the desired bond with the clay surface. This step may involve the use of fans or heaters to regulate the temperature and humidity levels within the stadium.
By following these meticulous procedures, the maintenance team at Roland Garros ensures that the paint adheres strongly to the clay courts, resulting in well-defined and long-lasting lines that meet the high standards of this prestigious tennis tournament.
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Painting the lines: Two coats of thick white paint are applied to the prepared surface
Painting the lines at Roland Garros is a meticulous process that requires several steps to ensure accuracy and visibility on the clay courts. Here is a detailed breakdown of the process:
Painting the lines:
Once the court has been prepared, the painting process can begin. Two coats of thick white paint are applied to the prepared surface. This paint is similar to the type used on roads, ensuring durability and a crisp appearance. The paint is carefully applied to the marked-out lines, which are outlined with thread and scraped to a width of 6 cm. This meticulous process ensures that the lines are straight and consistent throughout the court, providing a professional and regulation-compliant playing area.
Preparation:
Before painting, the red clay surface is carefully measured and scraped down to the limestone layer. This process creates a smooth and even base for the paint, ensuring the lines are level and well-adhered. This step is crucial for achieving the precision required on a tennis court.
Application of linseed oil:
A thin coat of linseed oil is applied to the scraped surface. This step improves the adherence of the paint to the clay, acting as a primer and creating a strong bond between the paint and the court surface.
Maintenance:
The lines at Roland Garros require regular maintenance throughout the tournament. A team of workers is assigned to each court, ensuring that the lines remain visible and in good condition for the players. This includes regular touch-ups and potential repainting to maintain the lines' integrity.
Unique characteristics of Roland Garros courts:
The clay courts at Roland Garros, also known as "red clay" or "terre battue," are unique. Beneath the powdered red brick dust surface lies a layer of white limestone. This limestone layer is covered with crushed brick, which is pressed and drenched in water to create a compact and consistent playing surface. The entire court sits atop a layer of volcanic rock and sand, providing a stable foundation for the game.
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Maintenance: Regular maintenance is required throughout the tournament
The lines are swept, and the surface is raked and sprayed with water at the end of each set to disinfect the court. Each court is watered again at the end of the day. During major tournaments, the red brick dust is replenished daily. Workers smooth the surface before matches and between sets by dragging rectangular lengths of chain-link across it.
The lines are also checked regularly to ensure they are straight and consistent throughout the court. This process involves marking out the lines with thread and scraping them to a width of 6 cm. Any necessary retouching is done with the same paint used initially, a thick type similar to that used on roads.
The clay courts at Roland Garros are made up of five layers, each around 80 cm in depth. The first layer is made of stones, followed by gravel, volcanic residue, and limestone. The top layer is a thin layer of crushed brick, giving the courts their distinctive colour. Due to this composition, the courts can be susceptible to wear and tear, requiring regular maintenance to keep them in optimal condition for play.
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Edging: A machine creates a groove in the clay to keep the lines in place
Roland-Garros, also known as the French Open, is a major tennis championship played annually in late May and early June. The process for painting the lines at Roland-Garros involves several steps to ensure accuracy and visibility on the clay courts.
Firstly, the red clay surface is measured and scraped down to the limestone layer, creating a smooth and even surface for the lines to be painted on. A thin coat of linseed oil is then applied to improve the paint's adherence to the clay. The lines are marked out with thread and scraped to a width of 6 cm.
The process of edging is used to keep the lines in place on the clay courts. This involves using a machine to create a groove in the clay that is the same width as the line. The white paint used is thick, similar to road paint, and two coats are applied to the prepared surface. This permanent layer of resinous paint goes deep into the substrate, ensuring that the lines remain visible and in good condition throughout the tournament.
Clay courts are unique in that they are slower than grass courts, making them more difficult to play on. The ball bounces relatively high on clay compared to other surfaces, and the dirt compresses under and in front of the ball as it bounces, affecting the spin and speed. Clay courts are made up of several layers, including stone, gravel, clinker (volcanic residue), limestone, and a thin layer of crushed brick, giving the courts their distinctive red hue.
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Frequently asked questions
The process involves several steps to ensure accuracy and visibility on the clay courts. First, the red clay surface is measured and scraped down to the limestone layer. Then, a thin coat of linseed oil is applied to improve paint adherence. Next, two coats of white paint are applied to the prepared surface, with the lines marked out using thread and scraped to a width of 6cm. Finally, the lines require regular maintenance throughout the tournament.
The lines at Roland Garros are made of white paint, which is applied to the limestone layer of the clay courts.
A process called edging is used to keep the lines on clay courts. This involves using a machine to create a groove in the clay that matches the width of the line.
It is not clear how often the lines are repainted during a tournament. However, regular maintenance is required to ensure the lines remain visible and in good condition.






















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