|
Therma-Flect Roof Board – Technical Data
TF Warm
Roof Board
Thickness
|
joist Centres* |
U-Value
Achieved |
Thermal
Resistance
m:²K/W
|
Coverage
Per Pack m²
|
Boards
Per Pack
|
| EPS Silver |
| 140mm |
400mm |
0.2 |
5.533 |
1.92 |
4 |
| 130mm |
600mm |
0.2 |
5.200 |
2.88 |
4 |
| 75mm |
400mm |
0.3 |
3.366 |
3.36 |
7 |
| 70mm |
600mm |
0.3 |
3.200 |
5.04 |
7 |
| EPS Gold |
| 115mm |
400mm |
0.2 |
5.816 |
1.92 |
4 |
| 105mm |
600mm |
0.2 |
5.381 |
2.88 |
4 |
| 65mm |
400mm |
0.3 |
3.642 |
3.36 |
7 |
| 65mm |
600mm |
0.3 |
3.188 |
5.04 |
7 |
*Based on Nominal 50mm Trusses
NB – Please supply rafter centres & widths
Performace Test Data of Insulation |
| EPS Silver (expanded Polystyrene) EN13163 EPS 70 Grade (Fire Retardant) |
| All products are both CFC and HCFC Free |
| Thermal Resistance value of Bubble Foil is 0.579m2K/W. |
| ‘k’ value of EPS SILVER is 0.032 W/mK. |
| ‘k’ value of Polyurethane is 0.023 W/mK. |
| N.B. Trusses must be spaced accurately to ensure a tight fit. |
Products Available |
| Therma-Flect Roof Board 1.2m length |
| Refurbishment - ANY TRUSS CENTRES OR WIDTHS
CAN BE CATERED FOR |
| YBS Foil Tape: 75mm x 50m |
Tilt Board Membrane: Width-400mm/Length-100m
(For use with tilt board, ridges and hips) |
| Actual board width will be determined by rafter centres for invoicing purposes |
| Technical Refernce |
BS5250:1989(1995)
Code of practice for the control of condensation in buildings
BS5534:Part 1:1997
Code of practice for slating and tiling (including shingles):
Design
BS8000:Part 6:1990
Workmanship on building sites:
Code of practice for slating and
tiling of roofs and claddings
BS EN ISO 6946:1997
Building components and
building elements: Thermal
resistance and thermal
transmittance Calculation method |
Building Regulations 2000
Approved Documents L1 & L2
Building Standards Part J Sept 2001
Building
Research
Establishment
BR282 Thermal Insulation:
Avoiding risks 2002
Foil Bubble Membrane
Tested for emissivity and thermal
resistance by the National
Physics Laboratory, England.
Composite board fully tested by
Sheffield Hallam School of |
|
