How to Fix Sheetrock Mudding
Mudding is used to seal the seams between separate pieces of Sheetrock or other brands of drywall, and used in repairs. The mud is also referred to as joint compound, and is generally applied before and after drywall tape. If you are having problems with your joint compound cracking, or your taped seams are noticeable, then you must use additional compound and tape to repair the area. Does this Spark an idea?
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Instructions
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Cut into the wall where the tape is located to trim off the tape. Cut it out several inches from the visible area in both directions. Peel the tape out. Use the knife to help you pull out the tape if it is being stubborn.
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Chisel out the dried joint compound below where the tape was positioned.
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Sand the cut edges down so you don't have any rough spots.
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Spread a thin layer of compound where the tape was removed and out several inches past the area on either side. Make the layer of joint compound thinner the farther out you go, in a technique called "feathering."
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Cut a piece of drywall tape long enough to fit inside the fresh joint compound. Wet it under a running faucet or bucket of water, then apply to the wall and smooth it out. Press it in lightly so it is set into the compound and let it dry overnight.
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Spread on a thicker layer of compound the tape and several inches beyond. Use a drywall knife or trowel to spread it smooth. Press down as you work your way out from the tape so the compound is feathered down to the rest of the wall level. Let it dry overnight.
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Sand the patched area with a fine sandpaper. If you still see tape, apply another thin coat of compound, feathered out as before, and let dry before resanding.
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Paint the patched area to match the rest of the room.
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