Q. I have a plowing company. Last winter while plowing, I left rust streaks on two properties. Though they are not very noticeable, they are noticeable. Do you have any ideas or solutions to removing ...

Concrete driveways, patios, and garage floors may take a beating, but that doesn’t mean they must show the signs. While these rugged surfaces are bound to receive their share of errant oil, paint, ...

Rust stains can sometimes be removed from concrete by scrubbing with a solution of four ounces of oxalic acid in a quart of water. Oxalic acid is sold in crystal or powder form at paint stores. Mop ...

How do you remove rust stains from concrete? I tried rust-dissolving gel, let it soak 20 minutes, scrubbed for 10 minutes with a stiff brush. No change. Also, how do you remove tar from concrete? - ...

Q:Our iron banister has caused rust stains in the cement walkway. How do you remove deep rust stains in cement? A: Since rust stains are tough, deep stains are tougher and set concrete stains are ...

Do you remember asking the classic question in high school chemistry class, “When will I ever use this?” I admit that I was one who posed this question loud enough that I was rewarded with an ...