Plaster Repair near you

New South Wales licenses these as two separate categories of trade work, and they are not interchangeable. Wet plastering covers applying a mixture of lime, cement or gypsum plaster and sand and water to internal or external walls and ceilings, with a Certificate III in Solid Plastering behind it. Dry plastering covers the internal installation of rigid gypsum sheeting, with a Certificate III in Wall and Ceiling Lining behind it. A contractor licence is required for residential building or trade work valued above a set amount in labour and materials including GST, so a small repair may fall below the threshold while the same tradesperson's larger jobs do not.

Queensland splits the work the same way through the QBCC. The plastering (solid) class covers float and set coats for hard plaster on flat surfaces, applying solid render, applying trowelled texture-coat finishes, installing pre-cast decorative mouldings, installing cast plaster blockwork, constructing plaster mouldings, concrete work associated with solid plastering and conite construction. The plastering (drywall) class is the sheet trade instead: non-loadbearing partition and ceiling frames, fixing plasterboard, plasterglass and fibre cement sheets and cornices, finishing joints, and installing suspended ceiling systems. A licensee may take on incidental work from another class only below a small set value, and never occupational work such as plumbing or fire protection without the relevant licence.

In practice this is the single most useful thing a homeowner can get right before ringing anyone. Describe the wall — solid plaster over brick, lath, render, sheet, ornamental cornice — and ask which class the business holds for that work, then check the number on the regulator's public register. Other states and territories organise licensing differently, so confirm with your own building regulator instead of applying the New South Wales or Queensland arrangement to your address.

Matching the material matters more in plaster repair than in almost any other finishing trade, because a patch that is harder, softer or less permeable than what surrounds it will fail at its edges. A quote that names the system being used rather than simply promising to fix the crack is worth more than a lower number that does not.

Patching is the right answer where the surrounding plaster is sound, dry and still keyed to the wall or lath behind it. The repair is cut back to solid material rather than feathered into loose edges, the crack is reinforced instead of merely packed, and the finish is brought out wide enough that the transition disappears under the light that room actually gets. Most cracking, most small impact damage and most making-good after works belongs here.

Re-rendering or re-plastering a whole wall becomes the sensible call when large areas sound drummy, when the plaster has lost its key across a section rather than at a point, or when a wall already carries enough patches that it will read as a patchwork under side lighting however well each one is set. Crumbling plaster low on a wall is its own case: that is usually moisture arriving from below or behind, and replastering it without dealing with the water simply resets the clock.

Lining over, by fixing sheet material across a wall that is structurally fine but cosmetically finished, is the third option and is sometimes the honest one — particularly on a badly patched wall where matching the existing surface would cost more than covering it. It is also a decision worth making deliberately, because it changes wall thickness at reveals, architraves and skirtings, and it hides the original surface from the next person who has to work on it.

Cornice work is where plaster repair most often meets asbestos in an Australian house. The Asbestos Safety and Eradication Agency describes asbestos cement cornice as moulded structures plastered into interiors with varying aesthetic designs, dates it to the early to mid-twentieth century and notes it is more likely in structures of the inter-war period to the mid-1940s. The identifying remark in its own entry is practical rather than visual: it will not break as easily as plasterboard-type equivalents. A cornice that shrugs off a chisel in a pre-war house is a reason to stop and test, not a reason to swing harder.

SafeWork NSW advises that a home or building built before the late 1980s may contain asbestos, and defines the two categories that decide everything afterwards: friable asbestos is asbestos in powder form, or that can be crumbled, pulverised or reduced to powder by hand pressure when dry, while non-friable asbestos is material containing asbestos fibres reinforced with a bonding compound. All friable asbestos must be removed by a Class A licensed asbestos removalist. More than ten square metres of non-friable asbestos also requires a licensed removalist, and in New South Wales a homeowner, or a tradesperson acting for them, may remove less than ten square metres of non-friable material.

The method restrictions are the part that catches plasterers out, because they rule out the ordinary tools of the trade. High-pressure water spray, water jets and compressed air must never be used on asbestos-containing material. High-speed power tools such as angle grinders, sanders, saws and drills may be used only where the tool is enclosed during use, or is designed to capture or suppress the fibres and is used according to that design. A plastering licence of any class does not authorise asbestos removal.

Wet trades care about the weather far more than sheet trades do, and the Australian calendar runs the other way from the one most plastering advice is written for. Summer is December to February, winter is June to August, and across the north the meaningful division is between the wet season and the dry.

Summer is the risk end for solid plastering. A coat applied to hot, dry masonry in direct sun loses its water to the wall and to the air faster than it can gain strength, which shows up as crazing, dusting and a patch that never matches the wall around it. Working in shade, dampening the substrate and protecting fresh work from wind and direct sun are not optional extras in February. External render in the northern wet season has the opposite problem: rain arriving on uncured work, and days where nothing dries enough to recoat.

Winter and the shoulder seasons are generally kinder for solid work in the temperate south, though short days, cool masonry and damp air stretch out drying and recoating times, and a repair done in July may simply take longer than the same repair in November. Seasonal movement also matters when you judge a repair: timber framing and building fabric take up and give off moisture as humidity swings through the year, so a crack repaired in the driest part of the year can reappear in the most humid one. That is information about movement in the building, not about the plasterer.

Small repairs are the jobs most often arranged by phone and most often argued about afterwards. Australian Consumer Law applies to them in full: the service must be carried out with due care and skill, must be fit for any particular purpose you made known, and must be supplied within a reasonable time when none was agreed, and the ACCC states that the basic rights covered by consumer guarantees cannot be taken away by anything a business says or does. A repair that was never going to hold — filled over a live damp problem, or floated across a crack with nothing bridging it — is a care and skill question rather than bad luck.

Ask for the scope in writing even on a modest job: what is being cut out, what material is going back, whether the cause has been identified and by whom, whether the repair will be sealed, and how far the paint finish will be taken. Where the plastering forms part of larger home building work above a set contract value in New South Wales, more applies automatically — the contract must be in writing, the deposit is capped at ten per cent, progress payments must match the work carried out, statutory warranties run for six years for major defects and two years for other defects, and variations must be in writing and signed by both parties.

LokalMatch is where the search for those tradespeople starts. You describe the repair once — the wall or ceiling, what the surface appears to be, the age of the house, whether damp or a leak was involved, your postcode and your timing — and plasterers working in your area get in touch with you directly. The businesses pay LokalMatch for the requests they receive, and describing a job costs a homeowner nothing. LokalMatch does not carry out plastering, does not quote or set prices, and does not vet, rank or recommend any business that responds.