dick_stitches, 10 months ago Farmers originally used to seal their barns with a combination of linseed oil (red-ish) and iron oxide (rust, red). Then when paint came around, apparently red paint was the cheapest. bobvila.com/…/solved-why-are-barns-painted-red/
Farmers originally used to seal their barns with a combination of linseed oil (red-ish) and iron oxide (rust, red). Then when paint came around, apparently red paint was the cheapest. bobvila.com/…/solved-why-are-barns-painted-red/