The "old standby - 2 1/2 x 1/2" corrugated meets the necessary requirements of durability, economy, and appearance. This corrugation is available in all the base metals and finishes described in the brochure.

2.67" x 1/2" CORRUGATED SUGGESTED UNIFORM ROOF LOADS IN POUNDS PER SQ. FOOT
GA	SPAN			2'-6"	3'-O"	3'-6"	4'-0"		4'6"		5'-0"			5'-6"		6'-0"			6'-6"	7'-0"	7'-6"	8'-0"		Download
18 stl.	1 3			157 196	109 136	80 100	62 77		49 61		39 49			33 41		27 34			23 29	20 25	17 22	15 19
20 stl.	1 3			121 151	84 105	61 77	47 59		37 47		30 38			25 31		21 26			18 22	15 19	13 17	12 15
22 stl.	1 3			137 171	95 119	70 87	53 67		42 53		34 43			28 35		24 30			20 25	17 22	15 19	13 17
24 stl.	1 3			111 138	77 96	56 71	43 54		34 43		28 35			23 29		19 24			16 20	14 18	12 15	11 14
26 stl.	1 3			84 105	58 73	43 54	34 42		27 33		22 27			18 23		15 18			12 16	11 13	9 12	8 10
Notes:                                                 1. Loads shown based on stress governing per AISC specs.               2. 26 GA and 22 GA material 50,000 PSI yield strength. (WC) 3. 20 GA and 18 GA material 37,000 PSI yield strength. (NC)             4. For (NC) 24 GA and 22 GA material at 37,000 PSI multiply loads shown by .74. 5. Loads shown may be increased by 1/3 for. wind loading.