Originally Posted by
David Millner
On the 'tag' of the modular was written: U sub 0, Walls 0.17
The U factor is how the materials of the structure is constructed, with each material adding to the U factor.
The R-value is the reciprocal of the U factor, thus a U factor of "Walls 0.15" would equal an R value of "Walls R-5.88".
The "sub 0" may be the sub floor area?