17M views · 10K reactions | How to fix rust holes with Construction Foam | Marius RBE | Facebook

Think this rusted iron is useless? Watch what happens next. Most people see rust and think it’s the end for metal — but scrapyards see potential. Using an Iron Out Spray, they strip away corrosion, revealing clean, reusable iron underneath. It’s a mix of chemistry, efficiency, and sustainability that keeps construction materials in the loop instead of the landfill. 👉 Follow @civilext_ for more real-world engineering insights, material makeovers, and construction science that turns everyday proc