Burial vaults are protective outer containers placed in a grave before a casket is lowered into the ground. They are commonly constructed from reinforced concrete, although some models incorporate materials such as metal or plastic. The primary purpose of burial vaults is to provide structural support around the casket and help prevent the ground above the grave from settling or collapsing over time. This can be especially important in cemeteries where heavy landscaping and maintenance equipment regularly travels across burial areas.
Many families are surprised to learn that burial vaults are not generally required by federal law. However, individual cemeteries may establish rules requiring a burial vault or another type of outer burial container, such as a grave liner. These requirements help cemeteries maintain level grounds and reduce problems caused by soil settling. Before purchasing burial vaults, families should ask the cemetery exactly what type of outer burial container is required so they understand which features are necessary and which are optional.
Although burial vaults and grave liners serve similar structural purposes, they are not exactly the same. A basic grave liner generally supports the sides and top of the grave area, while a burial vault typically surrounds the casket more completely and may be designed to resist the entrance of soil and water to varying degrees. Burial vaults are available in numerous designs and materials, ranging from relatively simple concrete models to premium versions featuring additional liners, decorative finishes, personalization, or other enhancements.
The cost of burial vaults can vary considerably depending on the manufacturer, materials, construction, decorative features, and funeral provider. Families may be presented with several models at different price points, which can make it difficult to determine what they actually need. Consumers should ask for clear pricing, compare available options, and understand the differences between models before making a decision. More expensive burial vaults may offer additional features, but families should never feel that choosing the most expensive option is necessary to provide a dignified burial.
When considering burial vaults, it is helpful to focus on their practical purpose rather than assumptions about long-term preservation. No burial container can guarantee that a casket or human remains will remain unchanged indefinitely. The principal function of burial vaults is to support the grave and help maintain the stability and appearance of cemetery grounds. Understanding this distinction allows families to make a more informed purchasing decision based on cemetery requirements, personal preferences, and their funeral budget.