New answers tagged texture
However, there's a foot and a half of insulation over this ceiling. Knocking it down to install new drywall is not an option. It's an option, just one you're too lazy to do.
One coat of base coat Durabond 90 and one coat of regular 90 mud. First you have to knock down the high spots with a scraper. The 90 is a mud you have to mix yourself; it's made by Sheetrock brand.
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