2.3. Characteristics of an Ideal Preservative

Try these first

1. 1.

   What characteristic of a preservative means it does not wash away in rain?

   Hint

   Think about water and wood.

2. 2.

   Why is it important for preservatives to be non-toxic?

   Hint

   Safety is key!

3. 3.

   What is a characteristic of an effective wood preservative?

   • Leachable
   • Non-Corrosive
   • Cheap but ineffective

   Hint

   Remember what we discussed about metals.

4. 4.

   True or False: A preservative should be toxic after fixation.

   • True
   • False

   Hint

   Think about the importance of safety.

5. 5.

   Evaluate the implications of using a preservative that is leachable in high-moisture environments. What consequences might this have on timber preservation?

   Hint

   Think about how water interacts with the wood.

6. 6.

   Propose a reason why construction materials often require compatibility between preservation and finishing products. What challenges arise from incompatibility?

   Hint

   Consider the finishing process in construction.