Re: Foundation Parging
Sounds to be an issue created by water problems, likely ponding or splashing up against the foundation. If you also live in an area of freezing temperatures this moisture that's absorbed by the parge will freeze and expand breaking any bond and fall off.
Solving any grade issues preventing the ponding of water or correcting splashing ( perhaps from faulty or leaky gutters ) go a long way to prevent this from continuing.
"" an ounce of perception -- a pound of obscure "