HomeMy WebLinkAboutB14-0269 Log R Value Calculations cf3
1 ^ Owner CHATEAU d'OEX
/41e , _1_
'' -.=. �R +n fir: Address 1816 LUPIN DR
City VAIL,CO
JOB# 14.005
LOG THERMAL ENVELOPE CALCULATIONS
VALUES COMPUTED BASED ON THE ICC 400-2007 SECTION 305.3.5
LOG TYPE LODGE POLE PINE V
MOISTURE CONTENT MCs = 15.00% MC% PER TPI
B = 1.34 CONSTANT
C = 0.025 CONSTANT
SPACIFIC GRAVITY G = 0.39 DESIGN VALUE
k = 0.6864 k=G[B+C(MCs*1 00)]
MIN R VALUE = 1 1 BASED ON ZONE
MIN AVERAGE WALL THICKNESS WI = 1 3.04 INCHES
AVERAGE WALL THICKNESS WI = 1 2.60 INCHES
ACTUAL WALL R-VALUE = 1 8.36 RI=1^11/k
R-VALUE W/ FILM = 1 1.2 1 OUTSIDE AIR FILM R-VALUE = .1 7
INSIDE AIR FILM R-VALUE = .68