2.13. Factors Affecting Effectiveness of Timber Preservation

Try these first

1. 1.

   What is sapwood?

   Hint

   Think about the part of the tree that is still alive.

2. 2.

   Why is moisture content important?

   Hint

   Consider how water might affect wood.

3. 3.

   What factor can prevent effective chemical absorption in timber?

   • High moisture content
   • Low porosity
   • Sapwood ratio

   Hint

   Think about how much water is in the wood.

4. 4.

   True or False: Oil-based preservatives are better for indoor applications.

   • True
   • False

   Hint

   Consider where the wood will be placed.

5. 5.

   How would you approach preserving timber intended for marine applications?

   Hint

   Consider the environmental conditions timber will face.

6. 6.

   Analyze how high moisture content could affect the choice of preservation methods?

   Hint

   Think about preparatory steps before applying your treatment.