Worksheet 1 – 13002 (v3) Demonstrate knowledge of timber used in construction

Student name:

List four uses for native timber.

1. 2. 3. 4.

Name the three categories into which timber used for construction in New Zealand falls.

1. 2. 3.

What information should be provided when ordering timber?

Explain the difference between exotic and imported timber.

Exotic timber.

Imported timber.

H G F Match the labels on the cross-section of the tree below to their correct names.

D E C

A

B

Bark or Cortex Inner Bark or Phloem or Bast Cambium Layer Pith or Medulla or Heart	Growth Rings or Annual Rings Medullary Rays Sapwood Heartwood

Label	Name of the part of the tree

List three native timbers used commercially in New Zealand and give two end uses for each one.

Timber	Use 1	Use 2

List three differences between a softwood and a hardwood.

1. 2. 3.

Describe what the term a “sustainable timber resource” means.

List examples of three different timbers from sustainable sources.

1. 2. 3.

Provide examples of three different timbers from unsustainable sources.

1. 2. 3.

Timber can be described in terms of treatment, length, size, finish and profile. For the uses listed below fill in these details for common or typical uses.

Application	Treatment & Length	Size	Finish	Profile/finger Jointing
Fencing rails
Internal framing
Finishing round internal doorways
Boxing for concreting
Finishing around internal wall/floor joins

WORKSHEET 1	Assessor Initials:	Date: