Caulk cracks and kill any mold on the walls.
Concrete over plaster walls.
Your walls should be free of paint oil and dust so the plaster can bond properly.
Plaster is applied to concrete masonry surfaces in two or three coats consisting of basecoat s and a finish coat.
Use a wire brush to clean stains left by the mold or mortar joints.
As a result many older homes and some new homes have plaster walls.
Prior to application of the basecoat uniformly pre moisten concrete masonry surfaces to aid in curing of the plaster.
However avoid saturating the masonry either by excessive spraying or by exposure of uncovered masonry walls or.
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Plastering a concrete wall takes time.
Before you begin to plaster your concrete walls you need to remove peeling paint and flaking bits of old plaster.
Applying plaster to a concrete wall can change its appearance level it make it more moisture resistant and give you the opportunity to add texture.
While plaster is best applied over wooden strips the material can also be applied directly to plywood sheets or concrete.
You will have to prepare the wall and allow for curing and drying time between applications of plaster.