2.4. Types of Preservatives

Try these first

1. 1.

   What is an example of an oil-based preservative?

   Hint

   Think of preservatives with a strong smell.

2. 2.

   What is a disadvantage of water-soluble preservatives?

   Hint

   Consider what happens if they are not applied correctly.

3. 3.

   Which of the following is a water-soluble preservative?

   • Pentachlorophenol
   • Copper-Chrome-Arsenic
   • Creosote Oil

   Hint

   Look for preservatives that can be mixed with water.

4. 4.

   True or False: Oil-based preservatives can be painted over.

   • True
   • False

   Hint

   Think about their application context.

5. 5.

   Design a preservation plan for timber used in a coastal environment. Which types of preservatives would you recommend and why?

   Hint

   Consider the moisture exposure in a coastal environment.

6. 6.

   Evaluate the potential long-term effects of leaching for water-soluble preservatives in a tropical climate.

   Hint

   Think about how weather conditions affect the durability of wood treatments.