HomeMy WebLinkAboutExterior Envelop U Calculation Pg1�1. • ,'j" V ! j• O� �i11 �.:.�r�..J•�� ` V `. CC, I.. •� .• •�••� •• 'r7. j'
!•.� '�' EXTERIOR ENVELOPE AVERAGE "U" COMPUTATION -
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CONTRACTOR DATE PHONE
• Determine working -square footage of each.
1. Total exposed wall area ...... 2�Pj`b sq. •ft: x• .17� 14,14
-
2. Total roof/ceiling area ..... 1'2 Esq. ft. x' .05 - lo2f
.Total exposed wall area above floor = 2 wfv
a. Total wall window areaV ........ 2016
`i:. Toyal .door area .... Jvy,-1!-. M� 14Y .1.•i$:..........
Le. Total 51 iding glass door area : , y�POD �P� :.E: t ?�G• � �
td. Total fireplace wall area ....... ..................' X62.
Le. Total wall framing area (average 10%)............ ?00
'If. Total net wall area above floor .................
,4. Total rim joist area ............................
Total exposed foundation area = 152��"
`K. Total foundation window area......
i.•Toal net foundation area above grade ..,.......... 1 2
Determine "U" value of each wall segment.
a. XStull
b. 06 X ►,U„ , �.p z 23
C. 1610 X 11�61
do X Stull
e X „u,l
f. I X "u" , 00.
g• X "u" i OG1'1 = 1 iii
h.. _ X „U„—
i. X Stu„
3 ...................................... Tota
=
If item #3 is the same as, or less than ite u-hav met the intent
of SBC 6006(c)2.