3.2. Common Defects in Plaster

Try these first

1. 1.

   What does efflorescence look like?

   Hint

   Think of a common result of moisture.

2. 2.

   Name one cause of cracks in plaster.

   Hint

   It's something that makes materials change shape.

3. 3.

   What can cause plaster to crack?

   • Only moisture
   • Poor mix design
   • Surface only issues

   Hint

   Think about the correct ratio of materials.

4. 4.

   True or False: Efflorescence is caused by poor painting techniques.

   • True
   • False

   Hint

   What does efflorescence signify?

5. 5.

   Devise a preventative maintenance plan to address plaster defects, considering moisture control and surface preparation.

   Hint

   Think about materials and conditions that can mitigate moisture.

6. 6.

   If a wall has significant efflorescence, outline the steps necessary for remediation and prevention.

   Hint

   What steps can you take once you identify the cause?