HTML has links - PDF has Authentication
51-11C-61060  <<  51-11C-61061 >>   51-11C-61062

PDFWAC 51-11C-61061

Section A106.1General.

A106.1 General. Table A106.1 lists heat loss coefficients for heated on-grade slab floors, in units of Btu/h • °F per lineal foot of perimeter.
Table A106.1
Default F -factors for On-Grade Slabs
Insulation Type
R-0
R-5
R-10
R-15
R-20
R-30
 
 
 
Unheated Slab
 
 
Uninsulated slab
0.73
2 ft. Horizontal (No thermal break)
0.70
0.70
0.69
4 ft. Horizontal (No thermal break)
0.67
0.64
0.63
2 ft. Vertical
0.58
0.54
0.52
4 ft. Vertical
0.54
0.48
0.45
Fully insulated slab*
0.36
0.31
0.26
0.21
 
 
 
Heated Slab
 
 
Uninsulated slab
0.84
Fully insulated slab*
0.74
0.55
0.44
0.39
0.32
R-5 Center (With perimeter insulation)
0.66
0.62
R-10 Center (With perimeter insulation)
0.51
3 ft. Vertical
0.78
*
Edge insulation R-10 regardless of the below slab insulation level.
[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-61061, filed 2/1/13, effective 7/1/13.]
Site Contents
Selected content listed in alphabetical order under each group