Applications - Timber Frame (140mm)
Typical U-Value Calculations for Ufoil-VBF™ when used with timber frame standard partition wall construction.
| 140mm Timber Stud with Mfoil Vapour Control Layer (VCL) |
| Outside surface resistance |
- |
- |
0.040 |
| Brick, medium wt external |
102.5 |
- |
0.136 |
| Cavity |
50.0 |
- |
0.665 |
| Ufoil-VBF |
5.0 |
- |
0.125 |
| Plywood |
9.5 |
0.130 |
0.073 |
| *Variable Layer |
- |
- |
- |
| Mfoil VCL |
- |
- |
- |
| Batten cavity |
- |
- |
0.665 |
| Gyproc Wallboard |
12.5 |
- |
0.070 |
| Inside surface resistance |
- |
- |
0.130 |
| * Variable Layers |
|
|
U-Value with |
| Celotex |
140.0 |
- |
0.17 |
| Glassfibre (0.032 W/mK) |
140.0 |
- |
0.20 |
| Glassfibre (0.035 W/mK) |
140.0 |
- |
0.21 |
| Glassfibre (0.040 W/mK) |
140.0 |
- |
0.22 |
| Glassfibre (0.044 W/mK) |
140.0 |
- |
0.23 |
|
|
 |
| 140mm Timber Stud without Mfoil Vapour Control Layer (VCL) |
| Outside surface resistance |
- |
- |
0.040 |
| Brick, medium wt external |
102.5 |
0.725 |
0.136 |
| Cavity |
50.0 |
- |
0.665 |
| Ufoil-VBF |
5.0 |
- |
0.125 |
| Plywood |
9.5 |
0.130 |
0.073 |
| *Variable Layer |
- |
- |
- |
| Polythene, 1000 gauge (0.25mm) BS5250 |
- |
- |
- |
| Gyproc Wallboard |
12.5 |
- |
0.070 |
| Inside surface resistance |
- |
- |
0.130 |
| * Variable Layers |
|
|
U-Value without |
| Celotex |
140.0 |
- |
0.19 |
| Glassfibre (0.032 W/mK) |
140.0 |
- |
0.23 |
| Glassfibre (0.035 W/mK) |
140.0 |
- |
0.24 |
| Glassfibre (0.040 W/mK) |
140.0 |
- |
0.25 |
| Glassfibre (0.044 W/mK) |
140.0 |
- |
0.27 |
|
|
 |
