This Medieval SECRET Keeps Wood Waterproof For Decades! (Still Works)

Transcript

Imagine this. You buy expensive wood for your deck. 3 years later, it's gray, rotten, and completely ruined. Why doesn't modern wood last 5 years while medieval half-timbered houses have been standing for centuries? The answer lies in a forgotten secret of our ancestors, linseed oil. Not just any linseed oil, but linseed oil applied correctly accor... Read More