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mandp523
drywall tape peeling

Hello,
We live in "This Old House." Our house was built in 1863.
In our 1/2 bath upstairs, the previous owners put up drywall. Unfortunately, the drywall tape they put on is peeling. They only had to use it in the corners, and in every corner the tape is peeling. (It is also peeling in the corners of the slanted ceiling.)It looks like they put the tape on without any mud! The tape does not peel completely off, though. Is it okay to just put drywall mud over the top of the existing tape? Or, do we need to scrape off the old tape and start fresh? The paint on the walls is a shiny latex. Will the mud stick to the wall or do we need to put something on the walls first?
Thank you for all of the help!
Maggie

A. Spruce
Re: drywall tape peeling

Likely what occurred is the installer probably squeezed out too much of the drywall compound while applying the tape.If the peeling isn't too bad, you might be able to work some drywall compound under the tape, otherwise, pulling off the loose stuff and retaping the joint would be the way to go. Drywall compound will stick to your painted wall without problem. I would recommend using a "setting" compound rather than premixed mud. Setting compound comes in a dry powder, just as water as per the label directions. Use 90 or 120 minute compound, as this will give you the benefits of this type of product with the maximum working time possible. Only mix up what you can use in a short period of time, basically one pan at a time. Once the new tape is set, use topping compound (premixed, usually a green label ) for the top coats. Once dry, sand smooth to blend into the rest of the wall, retexture the patches, prime the patches only with two coats of blue label Zinnser primer and two coats of good quality paint. After that, repaint the entire bathroom and the patches should disappear.

mandp523
Re: drywall tape peeling

Hi,
Thank you for responding!
We have tried to "pry" off the tape, and it is stuck on the edges real good. It will be difficult I think to peel off. Do you think we still need to take it off? If so, how do we get it off then?
Maggie

A. Spruce
Re: drywall tape peeling

You only have to pull up what is loose. Loose edges are easy to get under with the corner of a drywall knife. Bubbles can be slit and lifted with a utility knife.

canuk
Re: drywall tape peeling
mandp523 wrote:

Hi,
Thank you for responding!
We have tried to "pry" off the tape, and it is stuck on the edges real good. It will be difficult I think to peel off. Do you think we still need to take it off? If so, how do we get it off then?
Maggie

Yep -- there's nothing behind the tape for adhesion.
Do as Sprucey recommends and remove the loose tape. Don't worry if it removes a lager area since you will need to top coat after laying the new tape.

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