12" Rib (R Panel)

The 12" Rib Panel is a high strength, deep, wide panel. The R Panel is ideal for roofing and siding applications due to its extreme durability and aesthetically pleasing appearance. 12” Rib is available in stainless steel, galvalume, and aluminum.

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Allowable Uniform Loads In Pounds Per Square Foot
Thickness	# Spans	Span Length
Thickness	# Spans	3'	3'6"	4'	4'6"	5'	5'6"	6'	6'6"	7'	7'6"	8'	8'6"	9'	9'6"	10'
18 Ga	1 Defl.	216	158	121	96	77	64	54	46	39	34	30	26	24	21	19
	1 Defl.	0.10"	0.14"	0.18"	0.23"	0.29"	0.35"	0.41"	0.48"	0.56"	0.64"	0.73"	0.83"	0.93"	1.03"	1.14"
	3 Delf.	253	185	142	112	91	75	63	53	46	40	35	31	28	25	22
	3 Delf.	0.07"	0.10"	0.13"	0.16"	0.20"	0.25"	0.29"	0.34"	0.40"	0.46"	0.52"	0.59"	0.66"	0.73"	0.81"
20 Ga	1 Delf.	159	117	89	71	57	47	39	34	29	25	22	19	17	15	14
	1 Delf.	0.10"	0.14"	0.18"	0.23"	0.29"	0.35"	0.41"	0.48"	0.56"	0.64"	0.73"	0.83"	0.93"	1.03"	1.14"
	3 Delf.	183	135	103	81	66	54	45	39	33	29	25	22	20	18	16
	3 Delf.	0.08"	0.10"	0.13"	0.17"	0.21"	0.25"	0.30"	0.36"	0.41"	0.47"	0.54"	0.61"	0.68"	0.76"	0.84"
22 Ga	1 Defl.	160	117	90	71	57	47	40	34	29	25	22	19	17	16	14
	1 Defl.	0.14"	0.19"	0.24"	0.31"	0.38"	0.46"	0.55"	0.64"	0.75"	0.86"	0.97"	1.10"	1.23"	1.37"	1.52"
	3 Delf.	193	142	108	86	69	57	48	41	35	31	27	24	21	19	17
	3 Delf.	0.11"	0.15"	0.19"	0.24"	0.30"	0.36"	0.43"	0.51"	0.59"	0.68"	0.77"	0.87"	0.97"	1.08"	1.20"
24 Ga	1 Defl.	117	86	66	52	42	35	29	25	21	18	16	14	16
	1 Defl.	0.14"	0.18"	0.24"	0.30"	0.38"	0.46"	0.54"	0.64"	0.74"	0.85"	0.96"	1.09"	1.22"
	3 Delf.	137	100	77	61	49	40	34	29	25	22	19	17	15	13	12
	3 Delf.	0.10"	0.14"	0.18"	0.23"	0.29"	0.35"	0.41"	0.49"	0.56"	0.65"	0.74"	0.83"	0.93"	1.04"	1.15"
26 Ga	1 Defl.	75	55	42	33	27	22	18	16	13	12
	1 Defl.	0.13"	0.18"	0.24"	0.30"	0.37"	0.45"	0.53"	0.62"	0.72"	0.83"
	3 Delf.	89	65	50	39	32	26	22	19	16	14	12
	3 Delf.	0.10"	0.14"	0.18"	0.23"	0.28"	0.34"	0.41"	0.48"	0.55"	0.63"	0.72"

CADdetails.com is a great resource for JRS design files configured for different CAD programs. If you have a project requiring Corrosion Resistant Architectural Metals, specifying James River Steel roofing siding and decking is one of the easiest things you can do. It’s free, it’s very comprehensive, and they don’t spam.

12" Rib (R Panel)

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Take the first steps to solving your Roofing and Decking needs.
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12" Rib (R Panel)

Request a Quote

Take the first steps to solving your Roofing and Decking needs.Follow the link to begin the conversation.

Take the first steps to solving your Roofing and Decking needs.
Follow the link to begin the conversation.