Ultra-tec cable railing products are made of recycled materials, containing at least 65 percent recycled content, helping you qualify for the following types of LEED credits: LEED for New Construction (Material & Resources Credits 4.1 and 4.2); LEED for Commercial Iteriors (Material & Resources Credits 4.1 and 4.2); and LEED for Schools (Material & Resources Credits 4.1 and 4.1).