Seasoning

Question 1

Why is timber seasoned

Answer 1

• Removes unwanted moisture and sap
• Prevents rot and decay
• Prevents warping
• Improves stability

Question 2

What is natural air seasoning

Answer 2

• Timber is stacked in open shed to protect it from sun and rain
• Sticks are placed between boards to allow air to circulate between them

Question 3

What is artificial kiln seasoning

Answer 3

1. Timber is stacked on trolleys
2. Steam is introduced - soaks wood
3. After some time, humidity is reduced and steam is drawn out by fans
4. Heat is gradually introduced and temperature is raised
5. Hot dry air circulates until wood moisture is at required level

Question 4

Advantages and disadvantages of natural air seasoning

Answer 4

• Cheap
• Slow

Question 5

Advantages and disadvantages of artificial kiln seasoning

Answer 5

• Requires energy
• You can control the moisture of the wood

Question 6

Planed on two sides is called:

Answer 6

• PBS - planed on both sides

Question 7

Planed all around is called

Answer 7

• PAR - planed all round