| With Brick - A |
U-Value - to 0.35
89mm stud - standard glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
| Brick, external |
102.50 |
0.770 |
0.133 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
89.00 |
0.044 |
2.223 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.35W/m²K |
| With Brick - B |
U-Value - to 0.3
89mm stud - high performance glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
| Brick, external |
102.50 |
0.770 |
0.133 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
89.00 |
0.033 |
2.697 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.30W/m²K |
| With Brick - C |
U-Value - to 0.3
95mm stud - plus type glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
| Brick, external |
102.50 |
0.770 |
0.133 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
95.00 |
0.035 |
2.714 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.30W/m²K |
| With Block and Render
- D |
U-Value - Dense Block
to 0.35
89mm stud - standard glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
Render
Block
|
19.00
100.00 |
1.000
1.130 |
0.019
0.088 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
89.00 |
0.044 |
2.023 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.35W/m²K |
| With Block and Render
- E |
U-Value - Dense Block
to 0.3
95mm stud - plus type glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
Render
Block
|
19.00
100.00 |
1.000
1.130 |
0.019
0.088 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
95.00 |
0.035 |
2.714 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.30W/m²K |
| With Block and Render
- F |
U-Value - Dense Block
to 0.27
95mm stud - high performance glass fibre |
| |
|
Thermal |
Conductivity |
(W/mK) |
|
Thermal |
Resistance |
(m²K/W) |
|
| Outside surface resistance |
— |
— |
0.040 |
Render
Block
|
19.00
100.00 |
1.000
1.270 |
0.019
0.370 |
| BF-FR Cavity |
50.00 |
— |
0.665 |
| BF-FR Bubble |
4.00 |
— |
0.125 |
| OSB board |
9.00 |
0.130 |
0.069 |
| Glass fibre |
95.00 |
0.033 |
2.879 |
| Polythene, 500 gauge |
— |
— |
— |
| Plasterboard |
12.50 |
0.190 |
0.066 |
| Inside surface resistance |
— |
— |
0.130 |
| |
U-value, Combined Method: 0.27W/m²K |
| Many U-value combinations are available.
All U-values using Combined Method - timber content at 15%.
Other materials to BRE conventions for U-values or using
manufacturers’ certified data. Mineral fibre to new
European CE marking. |
|
|
