Judo mats – stability and cushioning for throws
Judo requires a training surface intended for repeated throws and groundwork. Assess the whole flooring system: mats, joints, edge restraint and subfloor.
How should I choose mats?
Professional judo mats commonly come in 40 or 50 mm thicknesses. Thickness alone does not establish suitability; request documentation on impact absorption, friction and intended use. Softer is not always better because excessive deformation can affect stability.
Traditional tatami and connected systems can both work. Mats should fit closely without dangerous gaps, sliding or height differences. Follow the supplier's installation system.
How much space is needed?
Plan for participant numbers, exercises and safety clearances. Nominally, 1 × 1 metre covers 1 m² and 1 × 2 metres covers 2 m². A 100 m² room therefore needs approximately 100 or 50 mats before adjustments, but the layout can change the quantity.
Competition areas and safety zones must follow the organiser's current rules. Do not treat older dimensions as a complete installation plan.
Care and approval
Clean with suitable products, inspect joints and let mats dry before stacking. Replace sections with damaged surfaces or reduced performance.
Does a club need IJF-approved tatami?
It depends on use and event requirements. IJF approval applies to a specific product. A training mat may suit club practice without this approval. Request current documentation where competition approval is required; an organisation's ISO 9001 or ISO 14001 certification does not replace product safety testing.
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