I had a pre inspection meeting with my local BI regarding a sunroom addition. the architect had r38 in the 2 x 12 ceiling but the inpector wants r49 since it is electric heat in the entire house. The architect proposed firring down the joists anothe 3 1/2".
I alsked about foam and she said her program didn't offer a significant dirrerence.
what is your take? stick with FG or look into spray in foam?
"it aint the work I mind,
It's the feeling of falling further behind."