Metal caskets are bronze, copper, stainless steel, or steel. Wood caskets are mahogany, walnut, maple, cherry, pecan, oak, or pine. Additional lining is available in double or triple reinforced versions. The double reinforced vaults consist of a concrete layer plus a special purpose polyurethane liner. Triple reinforced vaults in addition have a copper, bronze, or stainless steel lining.
Flat markers are either bronze or granite, raised markers and monuments are granite.
Monuments are often erected to mark 4 or more related graves. Each cemetery operates under different rules and procedures, which effects the available burial and marker options. Despite misconceptions that burial space is limited, studies have shown that space is available to serve future needs for at least another century. Contrary to conventional wisdom, the cost differential between cremation and burial is minimal. Cremation dates back to the later prehistoric era.