ASHRAE-90.1-2022- - Page 247

Extracted Content

Table A3.1-3 Assembly U-Factors, C-Factors, Ru , Rc , and HC for Concrete Block Walls (Continued)

Product Size, in.	Density, lb/ft3	Properties	Concrete Block Grouting and Cell Treatment	Col5	Col6	Col7	Col8
Product Size, in.	Density, lb/ft3	Properties	Solid Grouted	Partly Grouted, Cells Empty	Partly Grouted, Cells Insulated	Unreinforced, Cells Empty	Unreinforced, Cells Insulated
8 in. block	105	U-factor	0.55	0.46	0.33	0.41	0.19
8 in. block	105	C-factor	1.05	0.76	0.46	0.63	0.22
8 in. block	105	Ru	1.81	2.17	3.04	2.44	5.32
8 in. block	105	Rc	0.96	1.32	2.19	1.59	4.47
8 in. block	105	HC	16.1	10.2	10.6	6.6	7.2
8 in. block	115	U-factor	0.58	0.48	0.35	0.43	0.21
8 in. block	115	C-factor	1.14	0.82	0.50	0.68	0.25
8 in. block	115	Ru	1.72	2.07	2.84	2.33	4.78
8 in. block	115	Rc	0.87	1.22	1.99	1.48	3.93
8 in. block	115	HC	16.7	10.8	11.2	7.2	7.8
8 in. block	125	U-factor	0.61	0.51	0.38	0.45	0.24
8 in. block	125	C-factor	1.27	0.90	0.57	0.74	0.30
8 in. block	125	Ru	1.64	1.96	2.62	2.20	4.20
8 in. block	125	Rc	0.79	1.11	1.77	1.35	3.35
8 in. block	125	HC	17.3	11.4	11.8	7.8	8.4
8 in. block	135	U-factor	0.65	0.55	0.42	0.49	0.28
8 in. block	135	C-factor	1.44	1.02	0.67	0.83	0.37
8 in. block	135	Ru	1.54	1.83	2.35	2.05	3.55
8 in. block	135	Rc	0.69	0.98	1.50	1.20	2.70
8 in. block	135	HC	17.9	12.0	12.4	8.4	9.0
10 in. block	85	U-factor	0.44	0.38	0.25	0.35	0.13
10 in. block	85	C-factor	0.70	0.57	0.31	0.50	0.14
10 in. block	85	Ru	2.29	2.61	4.05	2.84	7.87
10 in. block	85	Rc	1.44	1.76	3.20	1.99	7.02
10 in. block	85	HC	19.0	11.2	11.7	6.5	7.3
10 in. block	95	U-factor	0.47	0.41	0.27	0.37	0.14
10 in. block	95	C-factor	0.77	0.62	0.35	0.55	0.16
10 in. block	95	Ru	2.15	2.46	3.73	2.67	6.94
10 in. block	95	Rc	1.30	1.61	2.88	1.82	6.09
10 in. block	95	HC	19.7	11.9	12.4	7.3	8.1
10 in. block	105	U-factor	0.49	0.43	0.29	0.39	0.16
10 in. block	105	C-factor	0.85	0.68	0.39	0.59	0.19
10 in. block	105	Ru	2.03	2.33	3.45	2.54	6.17
10 in. block	105	Rc	1.18	1.48	2.60	1.69	5.32
10 in. block	105	HC	20.4	12.6	13.1	8.0	8.8
10 in. block	115	U-factor	0.52	0.45	0.31	0.41	0.18
10 in. block	115	C-factor	0.92	0.73	0.42	0.64	0.21
10 in. block	115	Ru	1.94	2.22	3.21	2.42	5.52
10 in. block	115	Rc	1.09	1.37	2.36	1.57	4.67
10 in. block	115	HC	21.1	13.4	13.9	8.7	9.5

ANSI/ASHRAE/IES Standard 90.1-2022 (I-P) 245