Hi Mates, We made a huge error and poured the concrete for the base of LM 354 HD without covering the galvanized legs and then did not clean it of concrete immediately. Now the concrete got stuck rea
AlexTry a wire brush, then touch up any damage to the galvanizing with cold galvanizing compound. Rustoleum and many others sell it in a spray can. Tom K0SN __________________________________________
Muriatic acid, with gloves, using a rag. It will make very short work of the Portland cement in the concrete. Its the stuff that is used to etch concrete floors in preparation for painting them with
Doesn't zinc react with the acid???? Rick N6RK Steve NR4M Sent from my iPhone AlexTry a wire brush, then touch up any damage to the galvanizing with cold galvanizing compound. Rustoleum and many othe
Pretty sure it will also make short work of the zinc. Dave AB7E Steve NR4M Sent from my iPhone AlexTry a wire brush, then touch up any damage to the galvanizing with cold galvanizing compound. Rust
I would use a small, soft hammer to crush any thicker places. Not trying to knock it off, just crush it in place. Using the minimum of force needed. It may take a while if there is a thicker amount.
Yes, hydrochloric acid will attack the zinc coating. John KK9A Pretty sure it will also make short work of the zinc. Dave AB7E the Portland cement in the concrete. It's the stuff that is used to etch
Thank you all for your feedback. I appreciate many quick suggestions. We were able to clean it up using: 1. 3100 PSI Pressure Washer . 2000 PSI was not strong enough. 2. Fine grade Steel Wool - after
I never said to soak it. Try it on a hot dipped galvanized bolt and see how long it takes to etch the zinc. It will react instantly to the alkaline Portland cement in the concrete. Pour some muriatic