WOOD Flashcards
1
Q
NAME 3 TYPES OF WOODS
A
Hardwood-longer to grow, more dense, durable.
Softwoods-fast growing, porus, cheap.
Manufactured boards-manmade, big sheets, cheap, stable
2
Q
HOW TO CUT LUMBER (DRY PLANKS)
A
- cut tree
- trim (bark,branches)
- cut into plankes
- dry
3
Q
2 TYPES OF FINISHES
A
Rough Sawn- aren’t sanded
PAR (planed all around)-smooth, expensive- take longer
4
Q
GREEN WOOD
A
needs to be seasoned to stay in shape- LUMBERRRR
if it isn’t treated it will- mold, expand and bring wood worms.
5
Q
AIR DRYING
A
- slow (1 year=25mm)
- higher moisture content
- needs more space.
6
Q
KILN DRYING
A
- faster
- lower moisture content
- expensive
- kills dem bugs
7
Q
4 DIFFERENT STOCK FORMS
A
- planks
- boards
- dowels (round wooden poles)
- moulding (skirting)
8
Q
WHY DO WE NEED STANDARD SIZES
A
Easier to find the measurements and then just find you wood in a simalar range- quicker+more efficient.
9
Q
3 COMMON MANUFACTURED BOARDS
A
- MDF
- Plywood
- Chipboard
10
Q
MDF
A
- medium-density fibre board
- smooth
- very absorbent (not good in humid places)
- good value
- e.g toys, kitchen units
11
Q
PLYWOOD
A
- Alternet layers
- stable
- water resistant
- can be flexible (grain faces different ways on each layer)
e. g interior, exterior, shelving
12
Q
CHIPBOARD
A
- no natural grain
- covered in laminate to stop splinters
- made from waste wood
- good strenght
- not water resistant unless treated
- good value
e. g flooring, lowend furniture
13
Q
3 COMMON TYPES OF SOFTWOOD
A
- larch
- pine
- spruce
14
Q
LARCH
A
- reddish
- shows grain
- good in water
- durable
- has loose knots
e. g joinery, interior construction, florring
15
Q
PINE
A
- pale yellow
- grain (darkens with age)
- lightweight
- can split near knots
e. g cheap furniture, decking
