Plastering mistakes

Plastering mistakes can turn a professional job into a headache. As an experienced plasterer in Toowoomba with years of experience in renovation plastering, commercial plastering, new build plastering, wet area plastering, and plaster repairs, I’ve seen it all.

Here’s a detailed guide on the top five plastering mistakes and how to avoid them.

1. Inadequate Drying Time

One of the most common plastering mistakes is not allowing plasterboard sufficient drying time. Rushing the drying process can lead to shrinkage and cracks, compromising the final finish.

Plasterboard needs to dry naturally, which can take up to 24 hours depending on the room’s humidity and temperature. Applying a second coat before the first one is completely dry will only lead to further issues down the line.

To fix this, wait for the plaster to dry fully before proceeding. If shrinkage occurs, apply a thin, even second coat to smooth out the surface.

Plastering mistakes

2. Over Sanding

Over sanding is another frequent issue. When joints between plasterboard sheets are over-sanded, they can become visible, ruining the seamless look. It’s crucial to use the correct grit of sandpaper—typically 120 to 150 grit.

Sand lightly and gradually, checking your progress frequently. If you’ve already over-sanded, you might need to apply a new layer of joint compound and sand again, this time with more caution.

3. Ignoring Glancing Light

Glancing light refers to the way light casts shadows across walls, highlighting every imperfection. This is particularly noticeable when using natural light or downlights.

To avoid this, use high-quality, easy-sand jointing compounds and ensure a smooth finish before painting.

Products like Flaw Hide can help mask minor imperfections, but the best approach is to address them during the plastering process itself.

Plastering mistakes

4. Inappropriate Lighting

Fluorescent and LED lights can be unforgiving, showing up even minor flaws in plastering. Discuss lighting choices with your clients early on.

Recommend softer lighting options for areas with extensive plastering to ensure the best appearance.

Proper planning and communication with clients about how different lighting affects wall finishes can prevent dissatisfaction and costly rework.

5. Mismatched Compounds and Equipment

Using the wrong compounds or tools can shorten their lifespan and result in a subpar finish.

Always match the right compound with the correct tools. For example, use setting compounds for larger fills and finishing compounds for top coats.

Also, regularly clean your tools to maintain their condition. If you’ve used the wrong product, you may need to remove the affected area and reapply with the correct materials to ensure durability and a quality finish.

Why Choose Us?

  1. Experience: Years of plastering in Toowoomba.
  2. Quality: Attention to detail and high standards.
  3. Reliability: Dependable service you can trust.
  4. Expertise: Skilled in various plastering techniques.
  5. Customer Satisfaction: We prioritise your needs and ensure you’re happy with the results.

Contact us today for more details or to request a free quote.

Plastering mistakes

FAQs

Inadequate drying time, over sanding, ignoring glancing light, inappropriate lighting, and using mismatched compounds and equipment.

Typically, it should dry for up to 24 hours, depending on the humidity and temperature.

Use 120 to 150 grit sandpaper for a smooth finish.

It highlights imperfections, making them more visible.

Different lighting can reveal flaws in the plastering work.

It can lead to a poor finish and reduced durability.

Use the correct materials, allow adequate drying time, sand carefully, and be mindful of lighting.

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