Originally Posted by
Jerry Peck
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".
1 divided by 6 = 0.17. R6 won't sell trailers, so confuse them with 'U 0.17".
The "sub 0" may be the sub floor area?
A while back, you said 'sub' was a submarine!