|
STEEL
ROOF DECKS
All
roof decks are available with either a galvanized finish or
prime painted to inhibit rust while in transit (primer is not
a finish coat). We provide the following roof decks in stock
lengths or custom cut.
Type B Roof
Deck (Wide Rib)

----------------------Width
30" or 36" -------------------------
|
Deck
Type |
Span
Condition |
Design
Thickness
Inches |
Uniform
Total (Dead & Live) Load in Pounds per Square Foot
Span Length - c. to c. Joists or Purlins (Ft. - In.) |
| 4'-0" |
4'-6" |
5'-0" |
5'-6" |
6'-0" |
6'-6" |
7'-0" |
7'-6" |
8'-0" |
8'-6" |
9'-0" |
9'6" |
10'-0" |
| WR
22 |

Simple |
0.0295 |
|
|
90 |
70 |
56 |
46 |
|
|
|
|
|
|
|
| WR
20 |
0.0358 |
|
|
113 |
88 |
70 |
57 |
48 |
40 |
|
|
|
|
|
| WR
18 |
0.0474 |
|
|
159 |
122 |
96 |
77 |
64 |
54 |
46 |
40 |
|
|
|
| WR
22 |

2 |
0.0295 |
|
|
96 |
79 |
67 |
57 |
49 |
43 |
|
|
|
|
|
| WR
20 |
0.0358 |
|
|
123 |
102 |
86 |
73 |
63 |
55 |
48 |
43 |
|
|
|
| WR
18 |
0.0474 |
|
|
164 |
136 |
114 |
98 |
84 |
73 |
64 |
57 |
51 |
46 |
41 |
| WR
22 |

3 or more |
0.0295 |
|
|
119 |
99 |
83 |
71 |
61 |
53 |
47 |
31 |
36 |
|
|
| WR
20 |
0.0358 |
|
|
153 |
127 |
107 |
91 |
79 |
68 |
58 |
50 |
43 |
|
|
| WR
18 |
0.0474 |
|
|
204 |
169 |
142 |
121 |
105 |
91 |
79 |
67 |
58 |
51 |
|
** B-Acoustical Roof Deck is also available, fluted or cellular
(special order).
Type F Roof Deck (Intermediate Rib)

----------------------------Width
36"---------------------------
|
Deck
Type |
Span
Condition |
Design
Thickness
Inches |
Uniform
Total (Dead & Live) Load in Pounds per Square Foot
Span Length - c. to c. Joists or Purlins (Ft. - In.) |
| 4'-0" |
4'-6" |
5'-0" |
5'-6" |
6'-0" |
6'-6" |
7'-0" |
7'-6" |
8'-0" |
8'-6" |
|
|
|
| IR
22 |

Simple |
0.0295 |
84 |
66 |
54 |
44 |
|
|
|
|
|
|
|
|
|
| IR
20 |
0.0358 |
104 |
82 |
67 |
55 |
46 |
|
|
|
|
|
|
|
|
| IR
18 |
0.0474 |
142 |
112 |
91 |
75 |
63 |
54 |
46 |
40 |
|
|
|
|
|
| IR
22 |

2 |
0.0295 |
90 |
71 |
58 |
48 |
40 |
|
|
|
|
|
|
|
|
| IR
20 |
0.0358 |
110 |
87 |
70 |
58 |
49 |
41 |
|
|
|
|
|
|
|
| IR
18 |
0.0474 |
145 |
114 |
93 |
77 |
64 |
55 |
47 |
41 |
|
|
|
|
|
| IR
22 |

3 or more |
0.0295 |
113 |
89 |
72 |
60 |
50 |
43 |
|
|
|
|
|
|
|
| IR
20 |
0.0358 |
137 |
108 |
88 |
72 |
61 |
52 |
45 |
|
|
|
|
|
|
| IR
18 |
0.0474 |
181 |
143 |
116 |
96 |
81 |
69 |
59 |
52 |
45 |
40 |
|
|
|
Type A Roof Deck (Narrow Rib)

------------------------------Width
30"-------------------------
|
Deck
Type |
Span
Condition |
Design
Thickness
Inches |
Uniform
Total (Dead & Live) Load in Pounds per Square Foot
Span Length - c. to c. Joists or Purlins (Ft. - In.) |
| 4'-0" |
4'-6" |
5'-0" |
5'-6" |
6'-0" |
6'-6" |
7'-0" |
7'-6" |
|
|
|
|
|
| NR
22 |

Simple |
0.0295 |
73 |
58 |
47 |
|
|
|
|
|
|
|
|
|
|
| NR
20 |
0.0358 |
91 |
72 |
58 |
48 |
40 |
|
|
|
|
|
|
|
|
| NR
18 |
0.0474 |
125 |
99 |
80 |
66 |
55 |
47 |
|
|
|
|
|
|
|
| NR
22 |

2 |
0.0295 |
80 |
63 |
51 |
42 |
|
|
|
|
|
|
|
|
|
| NR
20 |
0.0358 |
97 |
76 |
62 |
51 |
43 |
|
|
|
|
|
|
|
|
| NR
18 |
0.0474 |
128 |
101 |
82 |
68 |
57 |
48 |
42 |
|
|
|
|
|
|
| NR
22 |

3 or more |
0.0295 |
100 |
79 |
64 |
53 |
44 |
|
|
|
|
|
|
|
|
| NR
20 |
0.0358 |
121 |
96 |
77 |
64 |
54 |
46 |
|
|
|
|
|
|
|
| NR
18 |
0.0474 |
160 |
126 |
102 |
85 |
71 |
61 |
52 |
45 |
|
|
|
|
|
Type N
Roof Deck (Deep Rib)

--------------------------- Width
24" ----------------------------
|
Deck
Type |
Span
Condition |
Design
Thickness
Inches |
Uniform
Total (Dead & Live) Load in Pounds per Square Foot
Span Length - c. to c. Joists or Purlins (Ft. - In.) |
| 9'-0" |
9'-6" |
10'-0" |
10'-6" |
11'-0" |
11'-6" |
12'-0" |
12'-6" |
13'-0" |
13'-6" |
14'-0" |
14'-6" |
|
| 3DR
22 |

Simple |
0.0295 |
52 |
47 |
42 |
|
|
|
|
|
|
|
|
|
|
| 3DR
20 |
0.0358 |
65 |
58 |
53 |
48 |
43 |
40 |
|
|
|
|
|
|
|
| 3DR
18 |
0.0474 |
89 |
80 |
72 |
66 |
60 |
55 |
49 |
45 |
41 |
|
|
|
|
| 3DR
22 |

2 |
0.0295 |
59 |
53 |
48 |
44 |
40 |
|
|
|
|
|
|
|
|
| 3DR
20 |
0.0358 |
72 |
65 |
59 |
53 |
48 |
44 |
41 |
|
|
|
|
|
|
| 3DR
18 |
0.0474 |
96 |
86 |
78 |
70 |
64 |
59 |
54 |
50 |
46 |
43 |
40 |
|
|
| 3DR
22 |

3 or more |
0.0295 |
74 |
66 |
60 |
54 |
50 |
45 |
42 |
|
|
|
|
|
|
| 3DR
20 |
0.0358 |
90 |
81 |
73 |
66 |
60 |
55 |
51 |
47 |
43 |
40 |
|
|
|
| 3DR
18 |
0.0474 |
120 |
107 |
97 |
88 |
80 |
73 |
67 |
62 |
57 |
53 |
50 |
46 |
|
**N-Acoustical Roof Deck
also available, fluted or cellular (special order).
*See SDI member manufacturers' literature
for section properties.
*Load tables for roof decks are generic, based
on the Steel Deck Institute generic steel roof deck catalog,
copyright 1995 SDI Design Manual No. 29, printed with
permission. |