From Halopedia, the Halo wiki

Permacrete is a human construction material, likely similar to concrete. Some structures built near the edges of the Rubble's far-flung habitats, including Eddie's In The Rock, were constructed by drilling holes into the sides of the habits and then hastily equipping them with permacrete and grating inside.[1] At least one structure on Trevelyan had a basement made out of a one-metre-thick layer of permacrete, and appeared to serve as a bomb shelter.[2]


List of appearances[edit]


  1. ^ Halo: The Cole Protocol, page 62
  2. ^ Halo: Legacy of Onyx, pg. 968, Kindle ebook edition

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