A2/ A3- Insulation Materials

Question 1

What are the 5 types of insulation?
1.
2.
3.
4.
5.

Answer 1

1. Fibre glass wool insulation.
2. Expanded polystyrene insulation.
3. Celotex insulation.
4. Mineral wool insulation.
5. Cellulose insulation.

Question 2

True or false: Cellulose can be made with recycled newspaper.

Answer 2

True.

Question 3

True or false: Cellulose and mineral wool are resistant to pest infestation.

Answer 3

False.

Question 4

What are 2 advantages of cellulose:
1.
2.

Answer 4

1. Eco-friendly.
2. Can be blown in for efficient installation.

Question 5

What is mineral wool resistant to:
1.
2.

Answer 5

1. Fire resistant.
2. Moisture resistant.

Question 6

What is celotex insulation?

Answer 6

Foam in-between two layers of aluminium foil.

Question 7

What does polystyrene look like?

Answer 7

White foam.

Question 8

What are 2 advantages of polystyrene insulation:
1.
2.

Answer 8

1. Lightweight.
2. Easy to install.

Question 9

What are 2 advantages of fibreglass insulation:
1.
2.

Answer 9

1. Fireproof.
2. Easy to install.

Question 10

If fibreglass insulation is wet, what can happen?

Answer 10

Mold/ mildew growth.

Question 11

Can fibreglass cause lung cancer when inhaled?

Answer 11

Yes.

Question 12

If no ventilation is installed inside a building, external insulation could lead to what?

Answer 12

Damp due to condensation.

Question 13

External insulation will affect the external
appearance of the building.

Which may result in a building that is what?

Answer 13

Not aesthetically pleasing to an area’s streetscape.

Question 14

What is another insulation material aside from the top 5 that is a lightweight polymer sprayed directly as a coating:

Answer 14

Polyurethyne.

Question 15

What is a disadvantage of polyurethane?

Answer 15

Polyurethane is very difficult to remove after settling.

Question 16

What are the 4 ways insulation can be installed:
1.
2.
3.
4.

Answer 16

Blown into cavity.
Laid in rolls.
Sprayed.
Installed as sheets.