Modification of Timber

Question 1

Methods of timber modification

Answer 1

chemical, thermal, impregnation

Question 2

What is thermal timber modification

Answer 2

steaming the wood at high temperatures of 190 degrees leaving the wood with a 7% moisture level

Question 3

Thermal timber modification advantages

Answer 3

strength - naturally seals the wood can’t be warped, durability, sustainable - lasts longer, free of chemicals, stability - won’t be harmed by water or rot

Question 4

Thermal timber modification disadvantages

Answer 4

more expensive, becomes brittle - splitting or flaking, burn more quickly - low moisture

Question 5

What is chemical timber modification

Answer 5

when chemicals are used to strengthen the timber

Question 6

Chemical timber modification advantages

Answer 6

increase durability, strength

Question 7

What is impregnation timber modification

Answer 7

the process in which pine is oaked in a bio-based liquid so the wood is imparted to make it stable, then it is heated

Question 8

Impregnation timber modification advantages

Answer 8

wood cells are 50% thicker, stability, hardness, long life, no splinters, no chemicals, against rot

Question 9

Impregnation timber modification disadvantages

Answer 9

some swelling