TIL that barns are red because farmers made their own sealant using linseed oil and rust. The rust protects the wood from algae and fungal growth but also colors the mixture red.

TIL that barns are red because farmers made their own sealant using linseed oil and rust. The rust protects the wood from algae and fungal growth but also colors the mixture red.

on May 31, 2021

https://ift.tt/3fU0qVO via /r/todayilearned https://ift.tt/3i1Egn7

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