Page 34 - English for Construction 1

JX

^ — ^ — \
elt tape
f

L i s t e n i n g 1 Listen to and read the beginning of a conversation b e t w e e n a client
and a building contractor and choose the correct answer.
1 W h i c h speaker is he client? (A / B)
t
2 W h i c h speaker is the building contractor? (A / B)
A: Can you tell me about wall insulation?
t
i
B: Sure. There are w o types of wall nsulation: cavity and solid. Both types
a
provide thermal nd acoustic insulation.
A: What's he difference?
t
B: Let me explain. Sometimes walls are solid, so the insulation is on the
outside of he wall. This is olid wall nsulation.
s
t
i
2 Read the rest of the conversation and put it in the correct order Then
listen and check your answers.
I | Yes, exactly.
^ Sometimes walls have wo parts: an inner wall and an outer wall. Cavity wall
t
i
t
insulation means hat the nsulation material is inside he wall.
t
[Tl And cavity wall insulation?
I | Ah, OK. So solid wall is outside and cavity wall is inside?
I 11 see. Thank you.
I | What about pipes?
I | OK, I understand. nd what types of nsulation do you use for cavity wall
A
i
insulation?
I | Our company uses three types of cavity wall nsulation o fill the gap: foam,
t
i
mineral wool, or polystyrene beads.
I | For pipes, we normally use felt tape or foam tubing.
3 Are these statements true (T) or false (F)? Correct the false statements.
1 Solid wall nsulation is used o provide thermal nsulation. (T / F)
i
t
i
2 Felt tape is used as cavity wall nsulation. (T / F)
i
3 Cavity wall nsulation goes between the inner and outer walls. (T / F)
i
t
4 Foam ubing is used to insulate pipes. (T / F)
5 Polystyrene beads are used o insulate pipes. (T / F)
t
32 4 Building supplies