Section 9632 Of Article 2. Structural And Material Requirements Of Community Mausoleums And Columbariums From California Health And Safety Code >> Division 8. >> Part 5. >> Chapter 5. >> Article 2.

. Except as provided in Section 9633, all crypt walls and crypt floor slabs shall be constructed of cast-in-place, reinforced concrete; crypt walls shall conform to structural design but shall be not less than three and one-half inches in thickness, and crypt floor slabs shall be not less than three inches in thickness.