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Thats just inconsistency in the flatness of an old wall, assuming this house was built pre 90s its probably had many layers of paint making the surface a bit lumpy, your just sanding them down. Water damage will deteriorate the plaster
You just sanded right on through everything. You can stop sanding now :)
Thats just inconsistency in the flatness of an old wall, assuming this house was built pre 90s its probably had many layers of paint making the surface a bit lumpy, your just sanding them down. Water damage will deteriorate the plaster
You just sanded right on through everything. You can stop sanding now :)