What is a concrete graveliner?
The NCBVA defines a concrete graveliner as a burial receptacle placed in the ground in a cemetery, either sectional, dome or box form designed and built to support the weight of the earth and standard cemetery maintenance equipment and to prevent the grave from collapsing.
What is a concrete burial vault?
The NCBVA defines a concrete burial vault as a lined and sealed burial receptacle which performs all the functions of the concrete graveliner, and in addition is designed and constructed using one or more lining and sealing materials to increase the overall tensile strength of the finished unit and to reduce the risk of the intrusion of exterior elements.
What is the concrete compressive strength requirement?
For the purposes of consistency and to avoid as many variables as possible, the NCBVA requires a compressive strength of a minimum of 5,000 psi at twenty-eight days of age.