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EXTERIOR ENVELOPE AVERAGE '*U’* COMPUTATION
SITE ADDRESS /. e a-f gV.
CONTRACTOR date phone
Determine working square footage of each.
1. Total exposed wall area_ _ s.f. X .19 »!XL. /L
2.Total roof/ceiling area .... s.f. x .04 « ^ g.
Total exposed wall area above floor =
. . . . . . . . . . . . . . . //^a. Total wall window area.......
b. Total door area. . . . . . . . .
c. Total sliding glass door area
d. Total fireplace wall area
e. Total wall framing area (average 10%). . . s.-T.
f# Total net wall area above floor... . . . .
g. Total rim joist area. . . . . . ... . . . . . (^Lf^o s.-P.
& Vv
Total exposed foundation area ® -f.
h. Total foundation window area... V •f,
i. Total net foundation area above grade. . S^3 •f.
Determine **U** value of each wall segment.
a./So r.X ”U". <»4 as
b.iSo 5. f X "U".e>t>-
c.■A5fc f.-r X "U”/ cb a-
d.5.y:X "U"f c 6*=
e.X *'U"
f.X "ir a:
s-X "U"=
h.X "U"B
i.X "U”s
/c .^0
!t> >S:C
IT.34>
A,
3..Total 31-6^
If Item y/3 is the same as, or less than Item #1, you have met the
intent of SBC 6006(c)2.
■i
V 4