Surface deterioration is best addressed early! NIX Urban Sports Park
Deterioration began one year after the new installation, so renovations were made before significant deterioration progressed!
The "NIX Urban Sports Park" was established in Toyama City, Toyama Prefecture in 2023. It is a park supervised by Kaede Nakayama, a bronze medalist at the Tokyo Olympics. During the construction of the new facility, a permeable surface hardener from another company was used for the concrete surface finish. However, after one year, surface deterioration began, and it became rough. When we proposed the Seal Hard SKP specification to the design team at NiX JAPAN, they decided to take action before significant deterioration progressed, and we proceeded with the construction. Since the area from the entrance fence to the first joint was left unconstructed, it allows for comparison and observation between the constructed and unconstructed areas. Although only one year had passed since its opening, the surface has been finished to a quality exceeding that of the original construction!
basic information
Seal Hard Skate Park Renovation Specifications - Surface Concrete Grinding: The surface irregularities will be ground down using a large grinder made by American company STI. - Joint Leveling Grinding: The uneven joint areas will be ground down using a medium-sized grinder to level the height and eliminate the steps. - Joint Filling Repair: Joints that were 10 to 20mm wide will be filled with American-made rapid-setting repair mortar. - Surface Depressions Resin Filling Repair: Areas that remain depressed after grinding will be coated with a special resin made in the USA. - Surface Concrete Finishing Grind: A finishing grind will be performed to achieve a smooth surface. - Application of Penetrating Surface Hardener Seal Hard: This will enhance wear resistance and create a surface that can withstand wear from skateboarding. - Application of Penetrating Water Absorption Suppressor AquaPel Plus: This will suppress rainwater penetration and prevent surface deterioration caused by rainwater. - Skateboard Test Run Confirmation: The finished surface will be tested with a skateboard to confirm that it provides the necessary grip for skateboarding. The penetrating concrete surface hardener was weak against rain and had low effectiveness outdoors. Therefore, by combining diamond grinding with the water absorption suppressor "AquaPel Plus," we have addressed this weakness and developed a method specifically for skate parks, which is currently under patent application.
Price information
The price varies depending on the roughness of the surface and the area of construction. Please contact us for more details.
Delivery Time
Model number/Brand name
Seal Hard Skate Park Renovation Specifications
Applications/Examples of results
"Skate Park Achievements" - Higashi Kanazawa Sports Square Skate Park (Kanazawa City, Ishikawa Prefecture) - NiX Street Sports Park (Toyama City, Toyama Prefecture) - Sasebo Park Skateboard Park (Sasebo City, Nagasaki Prefecture) - Nagao Skate Park (Sanuki City, Kagawa Prefecture) - Sumida Skateboard Park (Sumida Ward, Tokyo) - AKAKEN PARK (Kanazawa City, Ishikawa Prefecture) - NiX Urban Sports Park (Toyama City, Toyama Prefecture) - Green Park Daimon Skateboard Square (Imizu City, Toyama Prefecture) - Tiger Luck Skateboard Park Nagai (Osaka City, Osaka Prefecture) - Nitto Shinko Stadium Maruoka Skateboard Square (Sakai City, Fukui Prefecture) - Toyo Carbon Urban Sports Park (Marugame City, Kagawa Prefecture) - Ibaraki Densetsu Skateboard Park Ishioka (Ishioka City, Ibaraki Prefecture) - Chausuyama Skate Park (Nagano City, Nagano Prefecture) - Gruun Gamagori Skate Park (Gamagori City, Aichi Prefecture) - Miyoshi Town Hall Skate Park (Miyoshi Town, Iruma District, Saitama Prefecture)
Detailed information
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Surface grinding makes the roughness of the surface smooth and easy to slide.
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【Seal Hard Application】 We will apply the penetrating concrete surface hardener "Seal Hard." With the effect of Seal Hard, the deteriorated concrete will gradually harden and transform. Since Seal Hard is a non-film-forming penetrating type, it will not peel off. However, the penetrating hardener is vulnerable to rainwater; when exposed to rainwater, the penetrating components can dissolve and wash away.
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Surface cleaning Residual treatment of surface hardeners
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【Application of Aquapel Plus】 We will apply the penetrating water-repellent agent "Aquapel Plus." While Aquapel Plus may seem unnecessary for indoor skate parks, it is essential for adjusting grip even indoors.
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[Test Run Confirmation] If Aqua Pearl Plus is applied too much, the grip feeling weakens and it may skid during turns. Therefore, staff skilled in skateboarding will conduct a test run on a skateboard to check the resistance during sliding and the grip feeling during turns. If any issues are found during the confirmation, adjustments will be made through re-polishing or cleaning with a polisher.
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CAD data（1）
| Model number | overview | File |
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| Standard Drawing for Skate Park Surface Specifications | The "Seal Hard Skate Park Specification" is a construction method provided in the following steps 1 to 4. [Patent pending] ◆1. Concrete grinding (for renovation only) ◆2. Concrete polishing ◆3. Penetrating surface hardener Seal Hard ◆4. Water absorption suppressor (water repellent) Aquapel Plus This is a pavement specification created based on past achievements. Please feel free to copy and use it when designing future skate parks. |
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