12.1. Cleaning

Try these first

1. 1.

   What is the main reason for cleaning surfaces before painting?

   Hint

   Think about what the paint needs to stick to.

2. 2.

   Name one type of contaminant that needs to be removed before painting.

   Hint

   Consider what might be found on walls.

3. 3.

   What is the primary reason for surface cleaning before painting?

   • To make it look pretty
   • For better adhesion
   • To speed up the painting process

   Hint

   Think about why paint sticks to surfaces.

4. 4.

   True or False: New plaster can be painted immediately after application.

   • True
   • False

   Hint

   Consider how long it usually takes for plaster to become stable.

5. 5.

   Develop a cleaning schedule for a newly constructed building where surfaces vary from plaster to metal. What considerations should be made?

   Hint

   Think about which surfaces require different types of cleaning.

6. 6.

   Evaluate the effects of humidity on the curing time of plaster surfaces and how it may impact subsequent painting.

   Hint

   Consider how moisture affects drying abilities.