9.1. Preservative Types

Try these first

1. 1.

   What is an example of an oil-based preservative?

   Hint

   Think about what is used on railway ties.

2. 2.

   What does CCA stand for?

   Hint

   Think about the main ingredients.

3. 3.

   What is the main advantage of oil-based preservatives?

   • Low cost
   • Deep penetration
   • Non-toxic

   Hint

   Think about why these preservatives are used on railway ties.

4. 4.

   True or False: Water-soluble preservatives do not leach from wood surfaces.

   • True
   • False

   Hint

   Consider the effects of rain on wood treatment.

5. 5.

   Analyze the long-term effectiveness of using CCA preservatives in regions with high rainfall. What precautions should be taken to ensure wood longevity?

   Hint

   Think about protective layers in heavy-weather regions.

6. 6.

   Design a wood preservation plan for outdoor furniture in a humid climate. Describe specific types of preservatives to use and their application methods.

   Hint

   Consider environmental conditions when choosing preservatives and application techniques.