My house is very old and I would like to fix the foundation without
digging a new basement. The outside is old red brick and is
starting to crumble
pretty badly, inside basement as well. I tried to
use a mortar mix inside and it
worked for a while but now it's falling
off and bricks continue to crumble. Is
this something I can fix myself
or do I need to hire a professional?
You don't give information on soil or climate, so only general comment
Old brick was often under burned and so "soft".
Face shells would be a bit harder and spall off the brick body.
I would look at rising damp from the ground.
Perhaps you can dampproof the outer face all the way to the foundation.
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