Table 4D5 gives all reference method 103 CCCs as exactly half of the reference method C CCCs apart from 4mm T&E.
Table 4A2 does not clear things up.
So anyone any ideas why 4mm T&E has a greater than 50% reduction in it's CCC when installed in insulation?
Table 4A2 does not clear things up.
So anyone any ideas why 4mm T&E has a greater than 50% reduction in it's CCC when installed in insulation?