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Field Notes

Is a Level 5 Plaster Finish Worth the Extra Money?

Straight talk from the Offermomentumgrid crew about what actually works on site in Melbourne.

Offermomentumgrid Team Cremorne, Victoria 5 minute read
Ask a plasterer in Melbourne whether Level 5 is worth it and you will get a different answer every time, usually depending on what they prefer doing. Here is the honest version from a crew that has run both. Level 4 is the standard joint treatment most homes already have, where tape and compound cover the seams and the wall reads flat under ordinary light. Level 5 adds a full skim coat across the whole surface, not just the joints, and that changes what you can get away with. The extra cost typically runs between eight and fifteen percent on a room, and for many rooms that money is genuinely wasted. For others it is the only way to stop the wall looking wavy every afternoon. The way to tell the difference is to stand in the room around four in the afternoon when sun comes in low through a window. If you can see ripples running across the plaster and it bothers you, that light is telling you the truth. A halide or LED inspection lamp does the same job at night. Rooms with heavy side light, tall windows, high gloss paint or dark feature walls are the ones where the extra coat shows. Bedrooms with soft diffused light will never reward the money you spent. Another room that benefits is anything that will be painted in a very dark or very saturated colour. Matte paints hide almost everything. Semi gloss and satin finishes exaggerate every trowel pass. If you are going to run a deep navy or charcoal across a feature wall, that is the time to spend the extra on the finish underneath, because no amount of expensive paint will hide a bad skim once the light catches it. Plasterers who tell you otherwise are usually trying to get to the next job. Painters, interestingly, are more honest here, because they are the ones who have to coat the wall and can see exactly what they are working over. Ask your painter before you commit. They will tell you in about five seconds whether the level of finish you are considering matches the paint you have chosen. There is also the question of what happens if you do not do it and regret it later. Re-skimping a finished room is expensive, because you have to protect the floor, mask every light fitting, sand twenty minutes of dust into the air, re-prime and then repaint the whole wall. The saving you banked by skipping the Level 5 gets eaten up quickly. In a new build or a major renovation where the room is empty, doing the extra coat is a small marginal cost. In an occupied house where the furniture is already in, the calculation changes, because the disruption is the real cost. If you are renovating before you move in, do the Level 5 now. If you are patching one wall in a fully furnished home, the standard finish is usually the smarter call. What does not work is asking for Level 5 and then hiring the cheapest plasterer who quoted. The level is defined in the standard, but the hands that apply it are not. A skim coat laid thin and dry can leave a rougher surface than a properly done Level 4. Offermomentumgrid inspects every wall under raking light before handover for exactly that reason, and we will tell you honestly if a Level 5 is not going to deliver what you are imagining. If your room already has good light and good walls, save the money and put it towards a nicer paint. If the light cuts across the wall at four in the afternoon and you find yourself staring at it, pay for the skim and you will forget you ever had the conversation.

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