Timber Flashcards
1
Q
What are softwoods
A
- wood that comes from trees which don’t lose their leaves in winter
2
Q
properties of softwoods
A
- fairly cheap
- readily accessible
- trees have leaves like needle
- grows quickly in colder climates such as North America and China
3
Q
Examples of softwoods
A
Pine
Larch
Spruce
Cedar
Redwood
4
Q
Pine characteristics and uses
A
- Yellow with brown streaks
- Strong but knotty, making it harder to work with
- used for fences, cheap furniture
5
Q
Larch characteristics and uses
A
- attractive colour ( yellow to reddish brown)
- harder, tougher and more durable then most softwoods
- Good for decking, outside of buildings, fence posts
6
Q
Spruce characteristics and uses
A
- reddish brown
- Hard
- Good strength to weight ratio
- not very durable ( unable to withstand pressure or damage)
- used in crates, structural purposes
7
Q
what are hardwoods
A
wood that comes from trees which usually lose their leaves in winter, deciduous
8
Q
properties of hardwoods
A
- grows slowly in hot and tropical climates such as Africa/Caribbean
- Expensive
- have a tighter grain than softwoods
- denser and harder than softwoods, except balsa
9
Q
Oak characteristics and uses
A
- Light brown
- Tough, durable, strong
- attractive grain, high quality finish
- corrodes steel
- used in flooring, furniture, interior panelling
10
Q
Mahogany characteristics and uses
A
- Red brown colour
- Durable
-Easy to work with
-Expensive
-Used in high end furniture
11
Q
Beech characteristics and uses
A
- pinkish brown
- Hard enough to resist being dented, can be bent using steam
- Used for chairs and toys
12
Q
Balsa characteristics and uses
A
- white or tan colour
- For a hardwood, very low density and very soft
- High strength to weight ratio
- Prototyping and modelling
13
Q
Ash characteristics and uses
A
- Pale cream colour
- Tough, absorbs shock well
- Used for sports equipment like bats
- attractive so used for furniture
14
Q
meaning od deciduous
A
they lose their leaves in autumn
