The walls in my 63 yr old full walk out basement are crumbling in spots.
Moist basement concrete wall repair crumbling.
Crumbling concrete basement walls doityourself munity forums spalling foundation wall inspection findings solutions how to repair your crumbling concrete walls pink little the top 9 signs of foundation problems dumpster.
Now you should apply water to the wall where you will be applying the mortar.
Mist the wall with water and then apply a coat of thoroseal with a latex additive check on amazon.
First off brush off any loose material from the basement walls.
The wall needs to be moist so that the old concrete won t leach moisture out of the mortar that you apply and cause the repair to fail.
Apply small amounts of water over a short period until it has absorbed water deep into the wall.