HomeMy WebLinkAboutExterior Envelop U Calculation Pg2Total exposed roof/ceiling area = �2z}¢�• - - ;t
J. Total skylight area .............................
:,.:. -
• - k. Totalroof/ceiling framing area (average 10%)... Imo
-1. - Total net insulated roof/ceiling area...........
. _ Determine "U" value for each roof/ceiling segment.
x Hull
.. .. k. i2d• X 11UH
4.......:..:..................:::..Total
If total of #.4 is the same as, or less than'n2, you have met the intent of
SBC 6006(c)1. :.
Alternate Building Envelope Design -
To utilize the total envelope system method, the values established by the
sum of items #3 and r4 shall not be greater than the sum of items 1l and r2.
1.1I + 2. 62,x- _ ��� 4