Bad Crack in Sheetrock

Digital Image

Digital Image


This 1963 ranch-style home in Meyerland (Houston), has seen a lot of structural damage due to the foundation shifting. Part of that is the “gumbo” soil we have here in Houston, and part is due to the major flooding that has plagued this neighborhood for decades.

Cracks in the drywall are a common result of this shifting. This crack is wider than most, and it’s pretty long, too. The surfaces surrounding these cracks are level, which is good, but it’s unusual, because often the surfaces pull apart in two directions, leaving both a gap and uneven surfaces.

Wallpaper will cover the gap, but bumps and ridges might show under the paper. Also, if the foundation continues to shift (which, in Houston, is pretty expected), the wallpaper can tear and gap, too. So it’s a good idea to bridge the gap first, with something that can withstand shifting, or that will continue to bridge the gap and allow the wallpaper to “float” over it without tearing.

The common repair for this is drywall tape and joint compound. But this process takes a long time to dry, and it leaves a noticeable bump on the wall, from the layers of tape and compound.

So today I tried something different. I took paper drywall tape and soaked it in Gardz, a watery, penetrating surface sealer, and used the tape to cover the gap in the Sheetrock. It spanned the gap nicely, stuck tight, it dried nice and flat, with no bubbling, and was very thin.

Because it was so thin, I only needed a light skim float coat of joint compound, to smooth away ridges that might show under the new wallpaper. Once that was dry, I sanded, and then applied another coat of Gardz.

I was very pleased with how this turned out, and will keep it in my stash of tricks, in case another need arises.

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