Basically, there's stuff in the spray paint that can disintegrate expanded polystyrene, so you need to cover it in a layer of something that can withstand it. I tended to use plaster as a good base, but as others note, you need to make sure it covers it completely otherwise you end up with voids.
Erik (npub1a22…z9pp)
𝕭𝔢𝔫 𝕯𝔲𝔤𝔲𝔦𝔡 🏳️⚧️🏳️🌈
npub1fe…pucu6
2026-05-23 19:09:32 UTC
in reply to nevent1q…pds9
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npub1fe4dx0q69rwu68rjnnmx8xj2u69swee7agtfg04kz05n87yjd7psnpucu6Seen on
wss://relay.momostr.pinkPublished at
2026-05-23 19:09:32 UTCEvent JSON
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