the ring shanks are gonna be a bear. get some pry bars and tear up the plywood. you could set a skilsaw and cut some sections for easier removal instead of trying to get the whole 4x8 sheet up at once. Just make sure the skilsaw blade is set a bit shallower than the thickness of the plywood- you dont want to accidently cut into the hardwood.
By splitting the plywood out this will still leave the ringshank nails, but at least the head will be up a bit (the thickness of the plywood)
now use your prybar and a scrap of wood to pull the nails.
Once that is all done it is time to sand the floors.. You have a lot of work to do. hopefully it isnt to big of an area. And SHAME on your family members not to offer a hand
By splitting the plywood out this will still leave the ringshank nails, but at least the head will be up a bit (the thickness of the plywood)
now use your prybar and a scrap of wood to pull the nails.
Once that is all done it is time to sand the floors.. You have a lot of work to do. hopefully it isnt to big of an area. And SHAME on your family members not to offer a hand
