The best solution is to rent a very large crowbar and remove the nails.
Remove nails from concrete wall.
At work we had some concrete fasteners left protruding after a support jig was moved.
The problem here is that the wall will not be airtight or watertight.
Chisel around nail removing a regular galvanized nail from wood is a relatively easy process.
Drive the masonry nail into the concrete wall with the hammer.
If they are cut concrete nails they will break off instead of bend.
Use carefully aimed hammer strikes to drive the nail into the concrete wall so you don t miss and bend the nail or strike the wall and damage it.
You can pound the nails into the concrete block wall until they are flush with that wall.
If you are planning on studding the wall anyway my vote would be to do nothing but to use an angle grinder to remove any that might be in the way of a stud.
Repeat striking the nail a little at a time alternating sides until the concrete lets go of the nail or the.
You only have to.
Just lightly glide the grinder on the concrete into the nail until you are through it then a couple of passes to make sure it s flush.
To do this use the hammer to strike the nail from.
How to remove concrete nails.
To do this heat the adhesive with an electric heat gun or blow dryer.
Then fill the holes with caulking specially designed for concrete and masonry walls.
I used a diamond blade to slice through a 4 cast iron drain pipe once it didn t seem to hurt the thing at all.
They don t penetrate the wall and will never be a leak hazard.
Alternatively you could coat the adhesive with petroleum jelly or mineral spirits for at least 12 hours to a day.
I have an old diamond tile cutting disk on my grinder and it cuts nails or anything else great.
Continue striking the hammer until the nail is driven in to where you want it.
First loosen the concrete nail by bending the nail from side to side until it lets go.
You ll need to soften the adhesive or caulk.
When you pull out nails depending on the quality of the concrete you can pull out large divots of concrete.