HOW TO SKIM-COAT A FOUNDATION WALL

Resurface heavily cracked masonry walls with a water-resistant masonry coating
such as surface bonding cement. Clean and dampen the walls according to the coating
manufacturer’s instructions, then fill large cracks and holes with the coating. Finally,
plaster a 1/4" layer of the coating on the walls using a square-end trowel. Specially
formulated heavy-duty masonry coatings are available for very damp conditions.



Scratch the surface with a paintbrush cleaner or a homemade scratching tool after
the coating has set up for several hours. After 24 hours, apply a second, smooth coat.
Mist the wall twice a day for three days as the coating cures.


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