ASHRAE-90.1-2022- - Page 246

Extracted Content

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

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
6 in. block	85	U-factor	0.57	0.46	0.34	0.40	0.20
6 in. block	85	C-factor	1.11	0.75	0.47	0.60	0.23
6 in. block	85	Ru	1.75	2.18	2.97	2.52	5.13
6 in. block	85	Rc	0.90	1.33	2.12	1.67	4.28
6 in. block	85	HC	10.9	6.7	7.0	4.2	4.6
6 in. block	95	U-factor	0.61	0.49	0.36	0.42	0.22
6 in. block	95	C-factor	1.25	0.83	0.53	0.65	0.27
6 in. block	95	Ru	1.65	2.06	2.75	2.38	4.61
6 in. block	95	Rc	0.80	1.21	1.90	1.53	3.76
6 in. block	95	HC	11.4	7.2	7.5	4.7	5.1
6 in. block	105	U-factor	0.64	0.51	0.39	0.44	0.24
6 in. block	105	C-factor	1.38	0.91	0.58	0.71	0.30
6 in. block	105	Ru	1.57	1.95	2.56	2.26	4.17
6 in. block	105	Rc	0.72	1.10	1.71	1.41	3.32
6 in. block	105	HC	11.9	7.7	7.9	5.1	5.6
6 in. block	115	U-factor	0.66	0.54	0.41	0.46	0.26
6 in. block	115	C-factor	1.52	0.98	0.64	0.76	0.34
6 in. block	115	Ru	1.51	1.87	2.41	2.16	3.79
6 in. block	115	Rc	0.66	1.02	1.56	1.31	2.94
6 in. block	115	HC	12.3	8.1	8.4	5.6	6.0
6 in. block	125	U-factor	0.70	0.56	0.45	0.49	0.30
6 in. block	125	C-factor	1.70	1.08	0.73	0.84	0.40
6 in. block	125	Ru	1.44	1.78	2.23	2.04	3.38
6 in. block	125	Rc	0.59	0.93	1.38	1.19	2.53
6 in. block	125	HC	12.8	8.6	8.8	6.0	6.5
6 in. block	135	U-factor	0.73	0.60	0.49	0.53	0.35
6 in. block	135	C-factor	1.94	1.23	0.85	0.95	0.49
6 in. block	135	Ru	1.36	1.67	2.02	1.90	2.89
6 in. block	135	Rc	0.51	0.82	1.17	1.05	2.04
6 in. block	135	HC	13.2	9.0	9.3	6.5	6.9
8 in. block	85	U-factor	0.49	0.41	0.28	0.37	0.15
8 in. block	85	C-factor	0.85	0.63	0.37	0.53	0.17
8 in. block	85	Ru	2.03	2.43	3.55	2.72	6.62
8 in. block	85	Rc	1.18	1.58	2.70	1.87	5.77
8 in. block	85	HC	15.0	9.0	9.4	5.4	6.0
8 in. block	95	U-factor	0.53	0.44	0.31	0.39	0.17
8 in. block	95	C-factor	0.95	0.70	0.41	0.58	0.20
8 in. block	95	Ru	1.90	2.29	3.27	2.57	5.92
8 in. block	95	Rc	1.05	1.44	2.42	1.72	5.07
8 in. block	95	HC	15.5	9.6	10.0	6.0	6.6

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