UNIT 1.1 - WOODS

Question 1

HARDWOODS

Answer 1

• Wood from a broad leaf deciduous tree
• Usually slow growing
• Generally more expensive than softwoods

Question 2

OAK

Answer 2

Hardwood
PROS: hard/tough/attractive grain/good weather resistance
CONS: contains tannic acid which will corrode steel screws or fixings
USES: furniture/flooring/boat building/boat building/cladding/interior and exterior joinery

Question 3

MAHOGANY

Answer 3

Hardwood
PROS: rich dark red colour/water resistant/hard/tough
CONS: can contain interlocking grain making it more difficult to work
USES: indoor furniture/shop fittings and cabinets/veneers commonly used on manufactured boards

Question 4

BEECH

Answer 4

Hardwood
PROS: tough/close-grained - smooth/hard/available in steamed (white colour) and un-steamed (pink tinge)
CONS: not weather resistant/not durable without a finish
USES: chairs/chopping boards/tools/steam bent laminated furniture/turned bowls

Question 5

JELUTONG

Answer 5

Hardwood
PROS: fine texture/straight grain/easy to cut, sand and carve/available in white or straw colours
CONS: can be brittle/not weather resistant
USES: pattern and mould making/wood carvings

Question 6

BALSA

Answer 6

Hardwood
PROS: Off white to pinkish colour/straight grain//low density/lightweight
CONS: no water resistance/highly flammable/poor durability
USES: model making/surfboard ores/model aircraft/model structures

Question 7

SOFTWOOD

Answer 7

• Wood from coniferous trees
• Generally faster growing than hardwoods
• Generally less expensive than hardwoods

Question 8

PINE/REDWOOD

Answer 8

Softwood
PROS: straight grain - easy to work with/sustainable/weather resistant
CONS: can contain resinous knots - bleed through paint and make weakens it
USES: construction work/roofing beams/timber frame construction/interior joinery

Question 9

CEDAR

Answer 9

Softwood
PROS: straight grain/low density/good sound damping/weather resistant
CONS: can corrode ferrous metals due to acidic nature/flammable
USES: exterior building cladding /shed/greenhouses/beehives/interior panelling

Question 10

LARCH

Answer 10

Softwood
PROS: hard/tough/attractive grain pattern
CONS: grain fades to silver upon exposure outside
USES: garden furniture/building cladding/decking/fencing