Abstract: An hermetically sealed module for a mausoleum is disclosed having a bottom member of predetermined dimensions, a cover member having dimensions which are complementary with respect to the bottom member, and a door member having predetermined dimensions which are complementary with respect to both the bottom and the cover members. The top member is laid upon the bottom member so as to provide a cavity for receiving a container having a decomposable corpse therein. The door member closes off the cavity. All mating surfaces between the bottom member, cover member and door member are sealed from inside and provide for an hermetically sealed module to be installed into a mausoleum. The mausoleum is provided with drain vents and air vents. The air vents in cooperation with fan devices provide a circulating system that not only purges the vaults of the decomposition gases of the body but also creates an evaporation process which assists in the removal of any decomposition fluids within the module.