How to Prevent and Repair Bubbling and Peeling Drywall Paper Tape
By Mark J. Donovan
|If your new drywall work is showing signs of bubbling, or is literally peeling off your walls, then the paper drywall tape was not applied properly. It is important when applying paper drywall tape that it be properly pressed into a skim coat layer of mud, or joint compound.
When applying drywall paper tape to the joints and seams it is important to first apply a liberal amount of joint compound (approximately 1/8th inch) to them.
This first application of joint compound is typically referred to as the “skim coat” or “bedding coat” layer, however it is important not to skimp too much when troweling on this first layer of mud / joint compound.
As a matter of fact, drywall sheets are dimpled on the edges that are expected to butt up against other drywall sheets to allow for the drywall tape and skim coat of mud.
Also, when applying the drywall tape to the seams that have been freshly skim coated it is important not to press too hard with the trowel. Pressing too hard will cause the joint compound to be squeezed out from behind the drywall tape. As a result, the drywall tape will not adhere to the wall sufficiently.
Once it has dried, apply additional joint compound over the tape. Once this coat has dried, apply one additional coat of joint compound and then sand lightly, making sure to feather out the edges.
For information on repairing a large drywall hole, see the “How to Repair a Large Drywall Hole” Ebook from HomeAdditionPlus.com. The “How to Repair a Large Drywall Hole” Ebook provides step-by-step instructions on how to repair your damaged wall so that it looks as good as new.
See HomeAdditionPlus.com’s Drywall Calculator
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