ouuuu I SO need to do this for an outside ceiling - yep, ceiling.. crud it's 11' up... blah... How to Repair Drywall Tape That Is Separating from Your Walls ... If you have drywall tape separating from your wall, it is best to take down the peeling tape and install new tape. Here is how to do this. You will need drywall tape and spackle (or equivalent paste).
Repair Drywall Tape That Is Separating from Your Walls
In this video, I am repairing 2 of the cracked seams in the Drywall Ceiling. I use my knife to make an incision at either end of the Tape and then use my 1 inch flexible putty knife to assist in lifting away the old Drywall tape