How To Close Up A Wall Opening. Strong blades cut through old nails in frame. This will ensure that the wall remains properly supported and won't collapse under its own weight.
Before cutting an opening in a brick wall, you need to install a steel lintel above where you want the hole.
Once the wallboards are off on one side of the wall, you pop up the hinges on the old door to remove. A half or knee wall will open sight lines while still defining the different spaces. You could make up a bucket of liquid floor levelling latex and pour it in from the top. Skin the outer opening with a piece of material cut to the exact.