Permacrete

Permacrete is a construction material from the IDW portion of the Generation 1 continuity family.

Permacrete is a strong material used in the construction of Cybertronian buildings.

Fiction

2005 IDW continuity

The Toraxxis mega-refinery featured walls of permacrete that were too solid for the thieving Dynobots to cut through, so instead they air-dropped Sludge onto the facility, using him as a wrecking ball to simply smash their way inside. Wreckage

Notes

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• Permacrete is an apparent reference to material used in various Star Wars media.