What is a Wilbert Burial Vault?

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What is a Wilbert Burial Vault?
For a container to be classified as a Wilbert burial vault it must meet certain these minimum criterion,
it must be a sealed container,
it must have a patented Wilbert liner and
the vault must adhere to design specifications.  The concrete must cure and exhibit at minimum 4,500 psi at 28 days.  This level of tolerance is source of protection that ensures the preservation of the remains and the cemetery grounds.
This is referred to as single reinforced protection.

For the Wilbert Vault to be considered double reinforced, a metal (Bronze, Copper or Stainless Steel) is adhered to the plastic interior and carapace for superior protection.

For the Wilbert Vault to be considered triple reinforced, a bronze metal is adhered to the interior the the box and cover, the exterior of the cover and a heavy guage plastic is adhered to the exterior of the box offering maximum protection. (Excerpt courtesy of fellow Wilbert licensee American Wilbert)

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