Try using muratic acid. I know that it can be used to etch concrete, so I'm sure that it will effectively remove the concrete from the steel. However, I am not sure what effects the muratic will have on the steel. Good luck.AnswerIf the concrete is already there.. you will have to knock it off with the hammer techinque... I suppose a few clever types would suggest air-chisels or the like....
If you want to avoid the problem, spray the stakes with 'release' oil when you are coating the forms... lightly tapping the stakes together as the are collected will knock most slump from themAnswerhit them alittle with form release and run steel wool over them quick as you put them away will keep em shining forever
A concrete form is just a box that holds wet concrete in shape until it sets. They are normally wood but I've seen metal forms a lot too. It has to be removable when the concrete hardens, usually by taking it apart. First, find your grade, that's the level you want the concrete to be at when it's finished. Drive some stakes around the area and suspend strings where the edges will be. Drive larger stakes along the strings. Fasten the boards to the stakes with the top edge on grade. Make sure to support it a lot along the board with additional stakes because concrete is very heavy. Add or remove fill in the form until you have the depth you want. Your ready to pour.
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