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"I don't know why I write science fiction. The voices in my head told me to!"
- Charles Stross

Quartzite Leak Foil  
  Special material for space dome leaks.  

Darl crawled along the wing, dragging with him a sheet of flexible quartzite. The metal foil sagged under him and slanted downward, trying like some animate thing to rid itself of the unwonted burden…

Far up in the interlaced steel of the framework, so high that to his staring comrade he seemed a naked doll, Darl stood outstretched on a level beam, his tiny arms holding a minute square against the wall. Lucky it was that he was so tall and his arms so long. For the saving plate just lapped the upper rim of the hole, and stemmed the fierce current by only a half-inch margin.

From The Great Dome of Mercury, by Leo Zagat.
Published by Astounding Stories in 1932
Additional resources -

Compare to tag-along balloons from Gentlemen, Be Seated (1948) by Robert Heinlein, leak disks from Islands in the Sky (1952) by Arthur C. Clarke and plug-ups from Passage at Arms (1985) by Glen Cook.

Another way to plug holes in spacecraft or other constructions in space is to have some sort of material already present in the walls. Compare to alpha inserts from Exiles of the Moon (1931) by Schachner and Zagat, quartzite leak foil from The Great Dome of Mercury (1932) by Leo Zagat, plastifoam from Collision Orbit (1941) by Jack Williamson and self-sealing plastic from Asteroid of Fear (1951) by Raymond Z. Gallun.

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Additional resources:
  More Ideas and Technology from The Great Dome of Mercury
  More Ideas and Technology by Leo Zagat
  Tech news articles related to The Great Dome of Mercury
  Tech news articles related to works by Leo Zagat

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