VERSION 1
05/01/2021
I
NSTALLATION AND
U
SAGE
G
UIDE
WINESP40CEPRO
Page 11
Choice of insulation
Volume of air-
conditioned
room (m
3
)
Thickness of expanded
polystyrene (mm)
(
λ
= 0.044 W.m
-1
.K
-1
)
Thickness of extruded
polystyrene (mm)
(
λ
= 0.030 W.m
-1
.K
-1
)
Thickness of polyurethane
(mm)
(
λ
= 0.025 W.m
-1
.K
-1
)
4
20
10
10
8
30
20
20
12
50
30
30
16
60
40
40
20
80
50
50
24
90
60
50
28
100
70
60
32
120
80
70
36
140
90
80
40
150
100
90
If glazed walls are used, the coefficient Ug of the glazing must be no more than 1.0 W/m²K. Further, the
glazed surface may not represent more than 50% of the total surface of the walls of the air-conditioned
room.