If you’ve just had plastering done, or you’re planning repainting after repairs, it’s sensible to ask what the defects liability period actually covers. In New Zealand, there isn’t one single universal number that applies to every plastering job, but there are clear industry expectations and legal protections that usually shape the answer.
For homeowners and property managers, the key is knowing what is normal settling, what counts as a defect, and when to raise an issue before it becomes a bigger repair. Good prep and clear communication at the start save a lot of grief later.
What the defects liability period usually means
A defects liability period is the time after completion when the plasterer is expected to return and fix defects caused by poor workmanship or materials, rather than normal wear and tear. For plastering work in NZ, the exact period should be set out in the contract, quote, or workmanship warranty if one is offered.
In practice, many plastering jobs have a defects period of around 12 months, but that is not a hard-and-fast legal standard for every job. Some residential building contracts may specify a shorter or longer period, and some work may be covered by separate consumer law rights if faults are discovered later.
The important point is that the defects liability period is not the same as a guarantee against all future cracking. Some movement in new or repaired plaster is expected, especially where substrates are older, moisture levels change, or the building naturally settles.
What plastering defects are usually covered
A proper defects period generally covers issues that point to poor workmanship, such as hollow spots, visible trowel marks, cracking caused by inadequate preparation, poor adhesion, or sanding and finishing that was not carried out properly.
It may also cover problems where joints, stopping compound, or patch repairs have failed too early because the surface was not primed, the room conditions were wrong, or the wrong product was used for the substrate.
Typical issues that may be assessed during the defects period include:
- cracks appearing through patched areas
- lifting or debonding from the wall or ceiling
- uneven finish lines or ridges showing after paint
- pinholes, shrinkage, or missing compound
- visible patching that should have been feathered out properly
What is not usually covered
The defects liability period usually does not cover damage caused by later leaks, accidental impact, poor ventilation, or structural movement outside the plasterer’s control. It also won’t normally cover hairline cracking that results from seasonal movement in timber homes or ongoing building settlement, unless the workmanship itself was at fault.
If the plastering sits on top of a hidden moisture problem, you may see failures that look like a plaster defect but are actually caused by water ingress. In that case, the real issue needs to be fixed first, otherwise the patch will fail again.
Before repainting, it’s worth checking the surface carefully in daylight and after the room has dried out fully. Early spotting gives you the best chance of getting a defect sorted within the agreed period.
How to protect your position and avoid disputes
Always keep the quote, scope of work, and any warranty details in writing. If defects show up, report them promptly, take clear photos, and describe where and when the problem appeared. That makes it easier to separate a workmanship issue from normal building movement or later damage.
If you’re managing a larger property or preparing a home for sale, it helps to have the plaster checked before the painter starts. A well-prepared surface is the difference between a finish that looks sharp for years and one that telegraphs every flaw after the topcoat goes on.
When to call Steve
If you’re unsure whether a crack, bubble, or patch failure is a genuine plastering defect, call Steve. He’s a Kiwi and a trade-qualified painter, and he can assess whether the surface is ready for paint, needs further prep, or should go back to the plasterer before any finishing work begins. For Auckland homes, especially older villas and renovation projects, that early advice can save time, cost, and a poor result.
Frequently Asked Questions
Is there a legal standard defects liability period for plastering in NZ?
There is no single universal period that applies to every plastering job in New Zealand. The defects liability period is usually set by the contract, quote, or workmanship warranty, and consumer law may also apply.
How long should I wait before painting fresh plaster?
That depends on the plaster type, thickness, humidity, and ventilation. Fresh plaster needs to dry thoroughly before priming and painting, otherwise the finish can fail. A trade-qualified painter can judge the surface properly.
Can plaster cracks appear after the defects period and still be fixed?
Yes. Even if a defects period has ended, some issues may still be covered under consumer rights or may simply need repair and repainting. It is best to inspect early and get advice before the damage spreads.
Need a hand with your project?
Happy to tackle some of it yourself? Great — but for anything you’d rather leave to a professional, Steve Lunjevich is a Kiwi and a trade-qualified painter with 20+ years’ experience. Call or email for honest advice or a free, no-obligation quote.

