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Flashcards in Theory - Woods Deck (31)
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1
Q

What is a laminated board

A

Wood layered on top each other

2
Q

Timber is a……material

A

Natural

3
Q

Hardwoods come from……….trees

A

Deciduous trees

Loose their leaves in winter

4
Q

Give some properties of deciduous trees

A

Broad leaves
Slower growing than soft wood
Generally more expensive than softwood
Good resistance to decay

5
Q

Give 5 hardwoods

A
Ash
Beech
Mahogany
Oak
Balsa
6
Q

What is Ash used for and why

A

Sports equipment and ladders
Tough and flexible
Finishes well

7
Q

What is Beech used for and why

A

Furniture
Children toys
Worship handles

Hard and strong
Prone to splintering

8
Q

What is Mahogany used for and why

A

Good quality furniture
Veneers

Strong and durable
Available in wide planks

9
Q

What is Oak used for and why

A

Timber framed buildings
High quality furniture
Flooring

Hard, tough and durable
Can be finished to a high standard

10
Q

What is Balsa used for and why

A

Model making
Floats and rafts

Strong and durable
Lightweight
Easy to work with

11
Q

What trees do softwoods come from

A

Coniferous trees

12
Q

What are the properties of coniferous trees

A
Evergreens
Needless rather than leaves
Quick growing
Generally less expensive than hardwoods
Poor resistance to decay
Less dense than hardwoods
Very sustainable and renewable
13
Q

How many years does it take for a pine tree to grow

A

30 years

14
Q

Give 3 softwoods

A

Pine
Spruce
Larch

15
Q

What is Pine used for and why

A

Furniture and window frames

Light yellow in colour
Soft and easy to work
Cn be quite knotty though

16
Q

What is Spruce used for and why

A

Bedroom furniture
Stringed musical instruments.

Creamy white in colour
Easy to work
Small knots
Lightweight with resistant properties

17
Q

What is Larch used for and why

A

Fencing
Cladding
Decking

Relish in colour
Tough but easy to work
Naturally resistant to rot

18
Q

Manufactured boards were developed as an alternative to…………….

A

Natural timbers

19
Q

Did manufactured boards prove to be popular

A

Yes!

Son popular that in many applications they have almost completely replaces the use of natural timber

20
Q

In what areas are manufactures boards extensibly used

A

Kitchen manufacturing and self-assembly furniture.

21
Q

What are compressed boards

A

Particles, chips or flakes of wood are glued together under pressure.

22
Q

What are laminated boards

A

Several layers of wood glues together

23
Q

Give some advantages of manufactured boards

A

Popular and versatile
Can be wider than a tree
Less expensive
50/50 renewable as glue makes it hard to recycle
Can put a veneer on cheap wood to make it look expensive
Less likely to twist, wrap or split

24
Q

Give 6 manufactured woods

A
Plywood
Block board
Chipboard
MDF
Hardboard
Sterling board
25
Q

What is Plywood used for and how is it formed

A

Cheap quality furniture and simple joining
Softwood plywood tends to be used in the construction industry of roofs, walls and floors.

A composite material
Composed of individual piles of wood.The piles are glued together with synthetic resin.

26
Q

What is Block board used for and how is it formed

A

Building material and furniture manufacture including fitted kitchens and bedrooms

A type of plywood but up with softwood strips bonded together with adhesives and covered with a sheet of plywood either side.

27
Q

What is Chipboard used for and how is it formed

A

Used in cheap furniture

Made by small chips of wood bonded together with resin and formed into sheets by compression

28
Q

What is Hardboard used for and how is it formed

A

Covering curved structures and door panels

A very cheap particle board which sometimes has a laminated plastic surface.

29
Q

What is Hardboard used for and how is it formed

A

Covering curved structures and door panels

A very cheap particle board which sometimes has a laminated plastic surface.

30
Q

What is Sterling board used for and how is it formed

A

Protect windows of empty buildings or to make e products that need to be protected against the elements,.
(Fishing, boxes and shed flooring).

Softwood strands compressed and glued together withe exterior grade, water resistant resin.

31
Q

What does MDF stand for

A

Medium Density Fire-board