Hard woods, soft woods and man made boards Flashcards
Hardwood or Softwood or manmade board?
Red Cedar
Softwood
Red cedar uses (3)
fencing, deck outside furniture, boat building.
Hardwood or Softwood or manmade board?
Pine
Softwood
Pine properties (5)
Pine is a Soft, white, pale yellow wood Light weight Straight grained Resists shrinking and swelling Knotty pine is often used for a decorative effect
Pine uses (4)
Construction work, roof beams, timber frames, interior joinery
Hardwood or Softwood or manmade board?
Yew
Soft wood
Yew Properties (3)
- Heavy, very hard and firm, tough and elastic
- Susceptible to shrinkage
- resistant to weather
Yew Uses (4)
Turning and carving
Sculpting
Musical instruments
Hardwood or Softwood or manmade board?
Cherry
Hard Wood
Cherry Uses (5)
Fine furniture and cabinet making, paneling, flooring, doors
Hardwood or Softwood or manmade board?
Maple
Hard Woods
Maple properties (2)
- hard and resistant to shocks
2. Fine texture and even grain
Maple Uses (2)
- American colonial furniture
2. can be used to simulate cherry wood
Hardwood or Softwood or manmade board?
Beech
Hard Wood
What colour is Beech?
White and pinkish colour
What is Beech used for? (3)
Chairs, chopping boards, tools
Hardwood or Softwood or manmade board?
Plywood
Man Made Board
Plywood Properties (3)
strong, stable
Not likely to split
a variety of sizes
Plywood Uses (3)
Building, desk tops, indoor furniture
Hardwood or Softwood or manmade board?
Chipboard
Man Made Board
Chipboard Properties (2)
Rigid board with a smooth surface, Available in a number of densities
Chipboard Uses (3)
- Kitchen tops
- Flat Pack Furniture
- Fire Doors
Hardwood or Softwood or manmade board?
Hardboard
man made board
Why use Hardboard over plywood?
Cheaper option than plywood where strength is not required
Hardboard Uses (3)
- Furniture
- Flooring
- Counter Tops
Hardwood properties(5)
Deciduous leaves lost in winter Slow Growing Denser Grain Harder to work but stronger and more even
Properties of Softwoods
Coniferous / Evergreen Cone Producing Fast Growing Widely Spaced Grain Easier to cut and work
Hardwood or Softwood or manmade board?
Oak
Hardwood
Hardwood or Softwood or manmade board?
Teak
Hardwood
Hardwood or Softwood or manmade board?
Spruce
Softwood
True or False
Beech has a close grain
True
Physical properties of Beech (2)
Hard and tough
What colour is red cedar?
Reddish-brown
Red Cedar physical properties (3)
Low density, good Thermal Insulator, durable
What type of grain does Red Cedar have?
Straight grain
Why is Red Ceder good for boat building?
Lightweight
Why is Red Cedar good for fencing and outdoor furniture?
Good corrosion and rot resistance
Gap fill
Yew’s Grain is ________, with a fine _______ texture.
Straight, uniform
Physical properties of yew (2)
Dense (heavy)
Orangish brown colour
Is Yew Rot resistant?
Yes
Mechanical properties of Yew (3)
very hard, tough and elastic
True or false
Cherry has a light yellow colour
False, it’s light, red brown
Gap full
Maple Grain is generally ________, but may be ____, Has a fine, even texture.
Straight, wavy
Why is maple not used for outdoor furniture?
Maple is susceptible to insect attack.
Why is maple used for Basketball courts, dance halls and bowling alley floors?
Good shock resistance
Other uses for maple? (3)
Veneers, baseball bats, instruments
True or false
Maple is a dense (heavy) material
False, maple is very dense
Gap fill - Mechanical properties of maple
Maple is ____ with good strength properties. In particular, it has high resistance to ________ and ____. It also has good _____ bending properties.
Hard, abrasion, wear, steam
Gap fill
Thistype of woodis also known for its great ___________ mainly due to its ________ grainedqualities.
Workability, Straight
Physical properties of Cherry (4)
medium density
good bending properties
Low stiffness
shock resistance.
True or False
Teak is the go-to wood for outdoor furniture
True
Gap fill - Teak Properties
Teak has a high degree of natural __________, is moderately hard and _____ with low stiffness and _____ resistance but an excellent _____ resistance and dimensional stability with a good acid resistance.
Durability, heavy, shock, decay
Hardwood or Softwood or manmade board?
Douglas Fir
Softwood
True or False
Douglas Fir is resistant against fungal and insect infestation
True
What are the uses for Douglas Fir? (3)
structural work, cladding and external landscaping
What is Douglas Fir’s grain like?
straight, fine-grained
Why is Douglas Fir used to create Structures?
It has a high strength to weight ratio
Gap Fill - Spruce Properties
Spruce is _____ and ____, but nevertheless has good strength and __________ properties for its relatively light weight.
Light, soft, elasticity
Spruce uses (3)
Building/construction, Interior finishing, furniture
What is plywood?
Thin layers of wood glued and compressed together
What is Chipboard?
Compressed chips of timber
What is MDF?
Compressed wood fibres
What advantage does plywood have over softwoods and hardwoods?
No grain weakness
What is hardboard?
Hardboard is made from wood fibre is extracted from chips and wood waste.
Is low density chipboard hard or soft?
Soft
True or false?
High density chipboard is soft
False, it’s hard
MDF uses (2)
Modelling, furniture