Unvented roof modeling issues

[Matthew Martinez]

I'm am attempting to model an unvented roof assembly in Austin Texas and I am receiving no convergence issues but my balance if off by about 6.

Balance 1: -.35
Balance 2: -6.3

Am I don't something wrong with the model?

-Matthew

[Christian Bludau]

Dear Matthew,
with this short description it is not really possible to help you.
Maybe try to split the air layer, as this may be related to interstitial condensation:
viewtopic.php?f=32&t=1777&p=5226#p5226
Christian