Full definition
Heavy-duty industrial flooring is a premium-grade rubber flooring specifically designed to endure the rigorous demands of industrial environments. This type of flooring is engineered to support heavy machinery, including forklift traffic with loads exceeding 5 tonnes, as well as pallet jack wheels that exert concentrated point loads. The flooring is typically made from high-quality natural rubber (NR) or a blend of NR and styrene-butadiene rubber (SBR), featuring a high carbon black loading to enhance durability. With a Shore A hardness rating between 65 and 80, heavy-duty flooring is significantly harder than standard options, thus providing remarkable resistance to indentation under sustained heavy loads. This hardness is critical in maintaining the flooring's integrity in high-traffic areas where heavy equipment operates regularly.
The thickness of heavy-duty industrial flooring ranges from 6 to 12 mm, with a minimum thickness of 6 mm recommended for areas with forklift traffic, while 10 to 12 mm is preferable for maximum durability. Key properties of this flooring include high compression resistance, ensuring low permanent indentation under static loads, and excellent abrasion resistance, quantified at less than 150 mm³ according to DIN standards. Additionally, the flooring can feature specific compound formulations, such as nitrile butadiene rubber (NBR) or neoprene, to provide good oil and chemical resistance where necessary.
Surface texture is another vital aspect, as heavy-duty flooring often incorporates a diamond plate or heavy checker pattern to maximize traction and facilitate drainage. This design helps prevent slipping in environments where liquids may be present. Performance testing, such as indent resistance per ASTM F1914, shows that this flooring can maintain residual indentation of less than 0.1 mm after a 150-minute test under a load of 140 kPa, proving its durability. Proper installation is crucial and involves using full-spread industrial adhesive on shot-blasted concrete, with seams either butted tight or heat-welded to ensure a seamless surface. With appropriate installation and maintenance, heavy-duty industrial flooring can be expected to last between 10 to 15 years under typical forklift traffic conditions.