When it comes to being environmentally friendly, building owners, architects, and designers measure themselves by using the LEED Certification System.  When the USGBC (United States Green Building Council) introduced LEED in 1998, it gave the building industry a way to truly measure their efforts with the design and construction of green buildings.  Steel is the most common recycled material in the United States. Hollow Metal doors and frames are a great fit to the green building movement.  Every door contains steel made with recycled material.  Whether it was the old “jalopy” you drove in high school, or the home appliance you just replaced last week, the steel that SMP uses in manufacturing doors helps in the reusing of this old scrap iron.  The purpose of recycling is to divert scrap from our landfills back to a usable product.  Recycling helps ease the demand for harvesting and mining of raw materials.  Recycling is one of the most environmentally friendly practices we can incorporate.