how to sand hardwood floor with too many nails hammered into it?
Answers:
I don't know what kind of flooring you're working with but if it was me I would get an orbital sander and start out with about 300 grit sandpaper, higher if you have a lot of wood to remove, and then work down to about 150 grit or so depending on how smooth and how much time you are willing to put into it. Remember to keep moving or you will have dips in the flooring from taking too much away. As for the nails I would get about a foot long 2 by 4 and wrap it in a cloth to soften the impact of the hammer and drive them back when you get to them, make sure that it's got a good flat surface, you can use the sander smooth it out. After all that work is done put the wax or sealer on, let it dry and repeat as needed.
Other answers:
you will have to counter sink the nails or they will just tear up the sand paper
you will have to counter sink the nails or they will just tear up the sand paper
You'll have to countersink every nail and putty it prior to sanding. If a few reappear do again but hit them with a little sandpaper by hand this time
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never too many nails hammer nails back down careful not to dent the wood if u do put wet rag and an iron on it iorn on wet rag till it rises then sand flush
You have to counter sink the nails. this will take some time but it's worth it. get yourself a nail setting punch.It's kinda like a center punch. set the nail 1/8 " below the wood surface. after that you need to purchace some crayons in the color that match's the wood.it's a wood tone wax filler. good luck and happy sanding.
for the best look you should pull all the nails you can and back fill the holes with wood putty.I know that is alot of work but it will look great..after you back fill the holes just sand flush and stain..I just did my own floors about a month ago . good luck and i hope it works out for you..