11.1. Concrete and Cement Plaster

Try these first

1. 1.

   How long should concrete cure before painting?

   Hint

   Think about the number of weeks.

2. 2.

   What type of primer should be used on concrete?

   Hint

   Consider what is best for adhesion.

3. 3.

   What is the required curing time for concrete before painting?

   • 21 days
   • 28 days
   • 14 days

   Hint

   It's a month long process.

4. 4.

   Is it necessary to remove efflorescence before painting?

   • True
   • False

   Hint

   What happens if moisture is trapped?

5. 5.

   You notice that the paint on a concrete wall is peeling. Describe the possible reasons for this and how you would rectify the situation.

   Hint

   Consider the curing process and common paint issues.

6. 6.

   Detail the preparation steps required before painting a concrete wall and the rationale behind each step.

   Hint

   Remember the steps that target moisture control and paint effectiveness.