"JIMMIE" wrote in message
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On Dec 18, 1:39 pm, Tomas wrote:
I recently added some greenboard that butts up to existing drywall.
The existing drywall has semi-gloss paint on it. How do I prep this?
Light sand? I don't want the mudd to start lifting or cracking.


Just use Sheetrock Brand Durabond Setting Type Joint Compound for appling
the tape and Sheetrock Brand Easy Sand Setting Type Joint Compound to coat
it...Skim it with Regular joint compound and sand...HTH...