Plasterboard linings – cracking
Listed under: Interior, plaster and fibrous plaster, timber and wood-based, plasterboard, earthquakes, timber, framing, linings, walls, wind, solid plaster
Cause
Building movement; timber framing shrinkage
Repair
- remove existing jointing material; apply tape to joints; stop with gypsum plaster stopping compound; sand and re-paint or re-wallpaper
Cause
Joints not taped before apply stopping compound (joint taping was rarely done before 1975)
Repair
- remove existing jointing material; apply tape to joints; stop with gypsum plaster stopping compound; sand and re-paint or re-wallpaper
Cause
Land settlement
Repair
- remove existing jointing material; apply tape to joints; stop with gypsum plaster stopping compound; sand and re-paint or re-wallpaper
- where a significant cracking occurs after an earthquake or as a result of land settlement, engage a chartered professional (structural) engineer to asses the damage and give repair options. For significant earthquake events such work may be done by EQC
Cause
Wind or earthquake shaking
Repair
- you can download at no charge the BRANZ bulletin BU548 Repairing plasterboard after an earthquake
- remove existing jointing material; apply tape to joints; stop with gypsum plaster stopping compound; sand and re-paint or re-wallpaper
- where a significant cracking occurs after an earthquake or as a result of land settlement, engage a chartered professional (structural) engineer to asses the damage and give repair options. For significant earthquake events such work may be done by EQC