675 IAC 14-4.4-92
675 IAC 14-4.4-92 Table N1102.1.4; equivalent U-factorsa
Cite as Ind. Admin. Code tit. 675, r. 14-4.4-92
Sec. 92. Delete TABLE N1102.1.4 and substitute to read as follows:
TABLE N1102.1.4
EQUIVALENT U-FACTORSa
CLIMATE ZONE FENESTRATION U-FACTOR SKYLIGHT U-FACTOR CEILING
U-FACTOR FRAME WALL U-FACTOR MASS
WALL U-FACTORb FLOOR U-FACTOR BASEMENT WALL U-FACTOR CRAWL SPACE WALL U-FACTOR
4 0.35 0.60 0.030 0.082
0.141 0.047 0.059 0.065
5 0.35 0.60 0.030 0.067
0.082 0.033 0.059 0.065
a. Non-fenestration U-factors shall be obtained from measurement, calculation, or an approved source.
b. When more than half the insulation is on the interior, the mass wall U-factors shall be a maximum of 0.10 in zone 4 and the same
as the frame wall U-factor (0.057) in zone 5.