4" Rib Corrugated Metal Roofing

Corrugated Metal Roofing

4" Rib Gravity Load Table (Steel)

Ga. Spans 6′-0″ 7′-0″ 8′-0″ 9′-0″ 10′-0″ 11′-0″ 12′-0″
26 1 & 2 46 34 26 21 NR NR NR
26 3 58 43 33 26 NR NR NR
24 1 & 2 46 34 26 21 NR NR NR
24 3 58 42 32 26 NR NR NR
22 1 & 2 62 46 35 28 22 NR NR
22 3 78 57 44 35 28 25 21
20 1 & 2 77 57 43 34 28 23 NR
20 3 96 71 54 43 35 29 24
18 1 & 2 101 74 57 45 36 30 25
18 3 126 93 71 56 45 38 32

4″ Rib Positive Wind Load Table (Alum.)

Thk. Spans 6′-0″ 7′-0″ 8′-0″ 9′-0″ 10′-0″ 11′-0″ 12′-0″
.032″ 1 65 48 37 29 23 NR NR
.032″ 2 56 56 31 25 20 NR NR
.032″ 3 70 70 39 31 25 NR NR
.040″ 1 81 81 45 36 29 24 NR
.040″ 2 77 77 43 34 28 23 NR
.040″ 3 197 97 54 43 35 29 24
.050″ 1 100 100 56 45 36 30 25
.050″ 2 103 103 58 46 37 31 26
.050″ 3 129 129 73 57 47 38 32
The 4" Rib is very popular profile that used both as a siding and roofing panel, ideal for heavy industrial and lagging applications. The 4" Rib is typically ordered as a Mill finish aluminum and Stucco-Embossed finish. Panels can be curved. The additional strength panel would come in the galvanized finish, with load tables available for all the types of material. Call for other sizes other than the .032 and .040 aluminum, and 18, 20, 22, 24 gauge galvanized finishes. Standard lengths are 6-45’.Common uses are warehouse and industrial buildings. If there is a certain material you would like your 4" made to, please call as we do form custom panels.