Activity 3 – 24360 (v2) Demonstrate knowledge of timber and other construction materials used in BCATS projects

Student name:

Name 3 conditions needed for seasoning timber.

1. 2. 3.

Why should the longest lengths of timber be positioned at the bottom of the stack?

Why should fillets be placed between the boards when seasoning?

Describe the effects on the timber if the fillets are not vertically aligned.

Identify 3 advantages of kiln seasoning over air seasoning.

1. 2. 3.

Identify 2 methods used to determine the moisture content in timber.

1. 2.

Complete the following sentences:

Equilibrium Moisture Content (EMC) is reached when the moisture

Most shrinkage of timber will occur in the ________________________________________

Shrinkage will start to occur when timber has reached its Fibre ________________ ______________ which is 25 to _____% MC

Describe the consequences of using timber with a moisture content of 25% to construct a cabinet.