- New drywall (Sheetrock is a brand name) needs to be primed with
a primer like Firstcoat or one of the other Sheetrock primers. Most
builders skip this step because of the cost. I have painted for years
and we only used it for about a year or two because most people would
not pay the cost. Then they would complain about the way the walls look.
- Another
thing that can make the walls look bad is a poor drywall finisher. It
has not been finished enough to sand but they do it anyway.
- A
person sandin...
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