For recurring cracks, reinforce the repair by using self-adhesive mesh drywall tape over the crack before applying a coat of ...

Make a Dent for the Patching Compound When you remove a nail, drywall anchor or picture ... The spray forms a flexible membrane over the crack that can stretch and relax as the building moves.

reinforce the repair by using self-adhesive mesh drywall tape over the crack before applying a coat of mud. You can also use an elastomeric patching compound, which is more flexible and better ...