.
U Values
The following tables display the U Values for the appropriate construction materials
for existing and new buildings. The lower the U Value,
the more effective the insulation material.
EXISTING
BUILDING |
Construction
70mm Cavity |
U Value (W/m 2/0 C)
|
Before |
After |
| Brick |
1.68 |
0.39 |
| Concrete
Block |
1.55 |
0.37 |
| Clinker
Block |
1.40 |
0.35 |
| Insulation
Block |
1.05 |
0.32 |
|
NEW
BUILDING
|
| Construction |
Cavity |
U Value w/m 2k |
| Brick/Medium |
100mm |
0.27 |
| Block
& Plaster |
110mm
120mm
|
0.26
0.24 |
| Brick/Light |
100mm |
0.26 |
| Block
& Dab |
110mm
120mm
|
0.25
0.23 |
|