WILBERT

MATERIALS AND SUPPLIES USED IN THE MANUFACTURE OF BURIAL VAULTS-NAMELY, HARD ASPHALT, ASPHALTIC SEALING COMPOSITIONS, VOLATILE HYDROCARBON SOLVENTS USED IN BONDING HARD ASPHALT TO CONCRETE-ASPHALTIC COATING COMPOSITIONS FOR COATING AND SEALING BURIAL VAULT SURFACES AND RENDERING THEM WATER-RESISTANT