chapter 1 (manyfactured boards)

Question 1

4 advantages of manufactured boards

Answer 1

• available in large, flat sheets (so used for large pieces of furniture )
• good dimensional stability
• can be decorated in a number of ways (paint/ veneers)
• waste from wood production used in making MDF, chipboard and hardboard

Question 2

5 disadvantages of manufactured boards

Answer 2

• sharp tools required when cutting as tools are easily blunted
• thin sheets don’t stay flat and will blow unless supported
• difficult to join with traditional construction methods e.g. finger/ dovetail joints
• cutting &sanding some can generate hazardous dust particles
• edges must be treated &i covered to hide ‘ugly’ edges & stop water writing in

Question 3

PLYWOOD; aesthetics (3 points)

Answer 3

• made of veneers normally 1.5mm thick
• grain of each layer at right angles to layer either side of it + there’s an odd number so the 2 outside layers run in same direction
• birch veneers usually used on outside layers so attractive surface

Question 4

PLYWOOD; properties (2 points)

Answer 4

• strong in all directions

* resistant to splitting as layers are in alternate angles

Question 5

PLYWOOD ; uses (4 points)

Answer 5

• boat building (exterior quality plywood)
• drawer + wardrobe bottoms
• tea chests
• cheaper grades used in construction industry for holdings + shuttering

Question 6

PLYWOOD ; advantages (3 points)

Answer 6

• available in large sheets
• thicker sheets don’t warp/ twist
• thick sections can be laminated to make 2D shapes

Question 7

PLYWOOD; disadvantages (1 point)

Answer 7

•thin sheets very flexible and will warp if not correctly stacked/ supported

Question 8

CHIPBOARD; aesthetics (2 points)

Answer 8

• no grain patterns

* surface often veneered/ covered with plastic laminate

Question 9

CHIPBOARD; properties (3 points)

Answer 9

• made from waste products bonded together w/ string resins
• strong in all directions though not as strong as plywood
• not very resistant to water but moisture resistant grades available

Question 10

CHIPBOARD; uses (4 points)

Answer 10

• large floor boards & decking for loft spaces
• shelving
• kitchen worktops
• flat-packed furniture

Question 11

CHIPBOARDS; advantages (1 point)

Answer 11

•makes good use of waste materials that are chipped up

Question 12

CHIPBOARDS; disadvantages (2 points)

Answer 12

• not very good around water as it’ll just soak it up

* will chip and flake on edges if not protected

Question 13

MEDIUM DENSITY FIBREBOARD (MDF); aesthetics (1 point)

Answer 13

•excellent surface finish (can be veneered or painted)

Question 14

MEDIUM DENSITY FIBREBOARD (MDF); properties (3points)

Answer 14

• very dense
• stable and not affected by changing humidity levels
• will break down & absorb water if gets wet

Question 15

MEDIUM DENSITY FIBRE BOARD(MDF); uses (4 points)

Answer 15

• flat packed furniture
• drawer bottoms
• kitchen units
• heat & sound insulation

Question 16

MEDIUM DENSITY FIBRE BOARD (MDF); advantages (1 point)

Answer 16

•thin sheets can be formed to make 2D shapes

Question 17

MEDIUM DENSITY FOBRE BOARD (MDF); disadvantages (1 point)

Answer 17

•not very good with water as it will soak it up at edges

Question 18

HARDBOARD; aesthetics (1 point)

Answer 18

•side very smooth &a underside textured

Question 19

HARDBOARD; properties (1 point)

Answer 19

•made from compressed fibres that have been soaked in resin before being compressed

Question 20

HARDBOARD; uses (4 points)

Answer 20

• drawer bottoms
• cabinet backs
• smoothing out uneven floors
• lightweight internal door cladding

Question 21

HARDBOARD; advantages (1 point)

Answer 21

•cheapest of manufactured boards

Question 22

HARDBOARD; disadvantages (1 point)

Answer 22

•not very strong as has no grain