Tolerance
ALL FINISHED INSULATION SIZE TO HAVE A TOLERANCE OF
- 4MM TO +0MM TO SUIT VARYING CAVITY SIZES
Calculation method
for assessing Thermal Bridging at the edges of openings.
Performance
Test Data of Extrusion U-P.V.C./Plasticised -
co-extruded under the control of a Quality
Assurance System.
Performance
Test Data of Insulation
X.P.S. (Extruded
Polystyrene)
Thermal Conductivity 0.029 - 0.0335 W/mK
Mineral Fibre
Thermal Conductivity 0.034 W/mK
Technical Reference
Building Regulations 2006 Approved Document L1A + L1B.
BRE publication
"Thermal Insulation: Avoiding the risks".
TSO Publication: Limiting Thermal Bridging and Air Leakage: Robust Construction
Details for Dwellings and Similar Buildings
BRE Scotland:
Conventions for U Value Calculations |
