11. Painting Over Different Substrates

Try these first

1. 1.

   What is one main requirement before painting over concrete?

   Hint

   Consider how concrete is prepared before any surface treatment.

2. 2.

   What type of paint is preferably used on drywall?

   Hint

   Think about the moisture properties of different paints.

3. 3.

   What is the minimum curing time for concrete before painting?

   • 7 days
   • 14 days
   • 28 days

   Hint

   Think about how long concrete needs to dry before it's suitable for coatings.

4. 4.

   True or False: Acrylic paints are suitable for use on wood surfaces.

   • True
   • False

   Hint

   Consider the compatibility of paints with wood coatings.

5. 5.

   You are tasked with painting a community center made of concrete and drywall. List the preparation steps for both surfaces, including the types of primers and paints you would choose, and explain why you chose them.

   Hint

   Consider the properties of each substrate.

6. 6.

   You observe that a painted wooden railing is peeling. Identify the likely causes and suggest a revised approach to the preparation and painting process.

   Hint

   Think about the overall adherence and preparation quality.