Patching and Plastering - finishing blueboard

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gun dog 11
06-12-07, 05:30 PM
I put up blueboard and taped with the mesh type and for mud on the seams /screws I used all purpose joint compund. when it dried it shrunk into the seam so it's still visible. can I use tape again then mud before I have it skim coated ? planned on doing seams 3 times anyway.
thanks

marksr
06-13-07, 04:41 AM
You only need to tape once, after it dries you apply more mud to level out the joints, etc. For regular drywall finishing you usually tape and bed followed by 2 more coats of mud, sand as needed. I'm not sure if plaster changes the procedure any. Hopefully our plaster pro will chime in later.
brian828
06-14-07, 11:33 AM
On blueboard we use Master of Plaster, one coat of basecoat one coat of finish for a smooth as glass finish without sanding.Let dry 3 days and paint.good luck b