Unrebuildable

Second, Engelhard states that the weighted cost approach should be adjusted to reflect an additional cost to transit operators who rebuild in-house, because parts are occasionally unrebuildable due to catastrophic failure.

Source: wiktionary

They were unrebuildable, and it was decided that they had to be torn down.

Source: wiktionary

For Hamburg, which was completely destroyed by aerial bombardment and, as far as he was concerned, unrebuildable, the planner Fritz Schumacher proposed in 1944 “joining together [surviving buildings] somewhere to create a 'historic centre' however modest."

Source: wiktionary

A Kentucky salvage certificate of title may be issued from an out-of-state junking certificate or other ownership document bearing a designation of "junk," "unrebuildable,” or other similar classification that disqualifies the vehicle from being titled for use on the highway in that state with the following provisions:

Source: wiktionary