timber Flashcards
timber
general name for wood materials
what are the three main types of timber
hardwood
softwood
manufactured board
what trees do hardwoods come from
deciduous or broad-leaved trees
describe some of the properties of hardwoods
- they are generally slow growing
- the wood is normally hard
- can be machined into different sections
what trees do softwoods come from
from coniferous trees that have needles instead of leaves
describe some properties of softwoods
- They generally grow faster than hardwoods.
- They are supplied in standard sections.
- after planning the size is smaller
how are manufactured woods made
they are timber sheets made by gluing wood layers or wood fibres together
describe some properties of manufactured boards
- made in very large sheets of consistent quality
- available in a variety of thicknesses
- they are examples of combined materials
what things should one consider when purchasing wood
- grain pattern
- colour
- texture
- workability
- strength
beech
- HARDWOOD
- light in colour
- easy to work with
- very hard
used in furniture and toys
oak
- HARDWOOD
- Very strong light brown wood.
- open grain
- easy to work with
used for high quality furniture and beams
ash
- HARDWOOD
- open grained
- easy to work with
- pale creamy colour
- can be laminated
used for tool handles, furniture, ladders
mahogany
- HARDWOOD
- reddish-brown colour
- easy to work with
used for indoor furniture, shop fittings
teak
- HARDWOOD
- durable wood
- golden brown in colour
- resistant to moisture
used in outdoor furniture, lab equipment
scot’s pine
- SOFTWOOD
- knotty grained
- light in colour
- cheap
- fairly strong
used for DIY work
