U-Value Calculator Disclaimer:

All figures have accounted for any thermal bridging at the interlocking joint as well as internal and external air resistance. The value for internal air resistance is 0.12 and is 0.06 for external air resistance.

* EN 12524:2000 for building materials products (material with the exception of insulation core) and EN ISO 6946:1996 for building components and building elements have been referenced for this calculator (air layers). Mineral wool core data is Eurobond referenced data.

** Air spaces: All values for air spaces are unventilated with horizontal heat flow (taken from EN ISO 6946:1996). For further information or changes to ventilationor direction, please contac the Eurobond Technical Department: 02920 776677