Economical, low-profile secondary containment platforms are eco-friendly. Made of black, 100% recycled, post-industrial, durable polyethylene. Yellow version is made from 45% recycled content. Nearly impervious to chemicals, including acids and corrosives. Seamless design ensures any leaks or spills are captured in sump before reaching floor drains or creating a slip hazard. Sturdy grates are nearly 2 1/2 thick for superior crack resistance, self-locating, reduce chance of grate ride-up and remove for easy cleaning. Modular centers allow for creating a customized system using optional joining clips to firmly lock units together to expand storage space. Sumps remain separate and clips can be removed for easy repositioning. Meets or exceeds EPA 40 CFR 264.175, NFPA 1 the International Fire Code, Spill Prevention, Control and Countermeasures (SPCC) Compliant, NFPA 30 9.13.1 and OSHA 29 CFR 1910.106(e)(2)(iii).