Timbers Flashcards
What type of trees do hardwoods come from?
Deciduous trees with broad leaves.
How long does it typically take for hardwood trees to grow?
60-100 years.
What is a characteristic of hardwood growth rings?
Much smaller than softwood, making the grain closer.
What type of trees do softwoods come from?
Coniferous trees with needle-like leaves.
How long does it typically take for softwood trees to grow?
20-30 years.
Where do softwood trees naturally grow?
Colder regions such as Alpine climates.
What are manufactured timbers made from?
Leftover wood such as sawdust and wood chippings.
What is a benefit of manufactured timbers compared to hardwoods and softwoods?
They are much cheaper.
What is the appearance of Beech wood?
Slight pink tint, close grain.
What are the characteristics of Mahogany?
Dark-reddish colour, very close grain, cuts and polishes easily.
What is unique about Oak wood?
Moderate-brown colour with unique and attractive grain markings.
What is the texture of Balsa wood?
Pale and wide-spaced grain.
What is Jelutong wood used for?
Model making and vacuum forming moulds.
What is a characteristic of Birch wood?
Light colour with an even grain.
What are the properties of Ash wood?
Strong and flexible, finishes well.
What is the appearance of Pine wood?
Pale coloured with aesthetically pleasing grain.
What is a characteristic of Cedar wood?
Lightweight, pale colour with even texture.
What makes Larch wood durable?
It is resistant to water.
What is the appearance of Medium-density fibreboard (MDF)?
Smooth, light brown.
What is Plywood made of?
Layers of veneer glued at 90-degree angles.
What happens to Chipboard when exposed to moisture?
It swells up and falls apart.
What can deforestation lead to?
Soil erosion and an increase in global warming.
What is a consequence of increased timber demand?
Forest management struggles due to slow tree maturation.
What is the issue with recycled materials?
The gluing process makes it difficult to recycle the timber a second time.