A2/ A3- Hardwoods, Softwoods & Engineered Timber

Question 1

Hardwood trees are _______________.
Softwood trees are ______________.

Answer 1

deciduous
evergreen

Question 2

Hardwoods have a higher
1.
2.
than softwoods.

Answer 2

1. density
2. durability

Question 3

What is a disadvantage for hardwoods compared to softwoods?
Hardwoods are _______________, so they tend to be more _____________ than softwoods.

Answer 3

slow-growing
expensive

Question 4

What are hardwoods mainly used for?

Answer 4

Furniture.

Question 5

What are softwoods mainly used for?

Answer 5

Beams and joists.

Question 6

Laminated timber is timber ___________ with ______________________ structural ______________.

Answer 6

layered
moisture-resistant
adhesive

Question 7

What are 3 advantages of laminated timber:
1.
2.
3.

Answer 7

Aesthetic appeal.
Design flexibility.
Durable.

Question 8

What is laminated timber used for?
1.
2.

Answer 8

1. Portal frame.
2. Panels.

Question 9

What are 2 advantages of glulam beams?
1.
2.

Answer 9

1. Interesting aesthetic.
2. Range of shapes.

Question 10

Engineered joists are made of _______________________, so they are much lighter than traditional joists.

Answer 10

manufactured board

Question 11

What is a joist?

Answer 11

The horizontal structure that supports a beam.

Question 12

3 advantages of engineered joists on upper floors:

Reduces ___________ onsite because the joists are made in ________________________________.

They are _____________________, so there is a ________________________________.

They have a good __________________________, allowing for a _______________ floor structure.

Answer 12

wastage
correct measurements

quick to install
lower total installation cost

strength to weight ratio
lightweight