Heavy-duty protection for free weight and high-impact training zones. This rubber gym tile in black with grey fleck is engineered to absorb impact and protect your floor beneath barbells, dumbbells and dropped plates, with a fast, adhesive-free installation. Protection & performance purpose-built for heavy-use free weight and high-impact training zones 3mm ultra-fine granule top layer resists wear from foot traffic and equipment use 2 3mm granule base layer cushions impact and reduces noise transmission sound insulation rated at 28db iso 10140-3 hardness rating of 60 5 sha balances firmness with comfort build quality 1m x 0.5M tiles available in 30mm and 40mm thickness 11.7Kg per tile for stability that resists movement under load made from recycled tyre rubber, finished in black with 15% epdm white grey fleck resistant to acids, alkalis and salts avoid exposure to oils and hydrocarbons installation & care hidden plastic connectors allow secure, adhesive-free installation fits using standard tools such as a stanley knife and rubber hammer clean with a vacuum and ph-neutral mop solution specs weight: 11.7Kg per tile length depth: 100cm height: 3cm or 4cm 30mm 40mm options width: 50cm coverage: two tiles cover 1m