Type “F” (Intermediate Rib) Corrugated Metal Roof Deck

Type F (Intermediate Rib) Roof Deck Description:

Type F (Intermediate Rib) deck provides the most economical combination of structural load capacity and insulation materials. The flute openings permit easy attachment to supporting structural members and the nest-able design eliminates the need for die-set ends.

Certified by Steel Deck Institute

Approved by Factory Mutual System

Classified by Underwriters Laboratories Inc.

Section Properties (Per Ft. of Width)

Deck Gage	Design Thickness In.	Weight Lbs. Per Sq. Ft.		“I” in.	“Sp” in.	“Sn” in.
Deck Gage	Design Thickness In.	Ptd.	Galv.	“I” in.	“Sp” in.	“Sn” in.
22	0.0295	1.68	1.89	0.124	0.125	0.135
20	0.0358	2.05	2.20	0.160	0.155	0.164
18	0.0474	2.69	2.93	0.228	0.211	0.218

Uniform Total (Dead & Live) Load – Lbs. Per Sq. Ft.

Span Condition	Gage	Span, Ft.-in.
Span Condition	Gage	4-0	4-6	5-0	5-6	6-0	6-6	7-0	7-6	8-0	8-6	9-0
Simple	22	102	81	65	54	45	38	33
	20	127	100	81	67	56	48	40	34	30
	18	174	137	111	92	77	64	53	45	39	34	30
Two	22	111	87	71	68	49	42	36	31
	20	135	107	86	71	60	51	44	38	33	30
	18	179	141	114	94	79	67	58	51	44	39	35
Three or More	22	138	109	88	73	61	52	45	39	34	30
	20	169	133	108	89	75	64	55	48	42	37	33
	18		177	143	118	99	84	73	63	56	49	44

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