Type “N” Roof Deck (Long Span)

Rated 5.00 out of 5 based on 1 customer rating
(1 customer review)

N Deck is strong, light weight, economical and easy to install. Type “N” cellular roof deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes, and the spans and loads exceed the capability of type “B” cellular. This application is most common in warehouses, gymnasiums, canopies, awnings, roof screens and more…

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All of our deck products meet the requirements for steel deck certification specifications of Steel Deck Institute.

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Description

Type “N” cellular roof deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes, and the spans and loads exceed the capability of type “B” cellular.

Section Properties (Fy=33 ksi)

GageDesign ThicknessPtd (PSF)Galv (PSF)Ip(In4)In(In4)Sp(In3)Sn(In3)
22.02952.012.050.61520.81580.36040.4129
20.03582.582.650.79211.02160.47480.5311
18.04743.203.401.16251.36950.70270.7502
16.05984.104.251.59091.74480.91320.958
14.07475.125.352.1262.1861.17041.2091
12.10467.177.403.07323.07321.68741.6923
– Section properties calculated in accordance with AISI specifications

Acoustical Data: Type “N Acoustical”

Absorption Coefficients

125250500100020004000 
.20.30.68.81.46.38.55 NRC

Uniform Total Load in Pounds Per Square Foot (Dead and Live)

GageSpan CondMax SDI Const Sp9’-0”9’-6” 10’-0”10’-6”11’-0”11’-6” 12’-0”12’-6”” 13’-0” 13’-6”14’-0”
22One11’-3”5751 4642383532
20One 12’-9”76 686155*49*44*40*36*33*31*
18One 15’-5”11198*85*75*67*59*53*48*44*40*37*
16One18’-0”145130113*99*88*78*70*63*57*52*47*
14One20’-10”187168148*129*114*101*90*81*73*66*60*
12One 25’-0”183*160*141*125*112*101*91*83*
22Two13’-3”7062 5651464239363331
20Two15’-08879716459544945423936
18Two18’-2”122109988981746863585450
16Two22’-0”155139125114103958780746864
14Two24’-7”194174157143130119109101 9386 80
12Two29’-6”199182166153141 130 120112
22Three or More13’-3”8778706458534945423836
20Three or More15’-0”11099898173676257524945
18Three or More18’-2” 152136123112102938579736762
16Three or More22’-0” 194174157142129118109100938680
14Three or More24’-7”197178163 149137126116108100
12Three or More29’-6”191176162151140
Notes: 1. Load tables are calculated using section properties based on the steel design thickness shown in the Steel Deck Institute (SDI) design manual. 2. Loads shown with a * are governed by the live load deflection not in excess of 1/240 of the span. A dead load of 10 psf has been included.

1 review for Type “N” Roof Deck (Long Span)

  1. Rated 5 out of 5

    jhartman

    N Deck is strong, light weight, economical and easy to install. Type “N” cellular roof deck is utilized in exposed ceiling areas where a flat bottom deck is desired for aesthetic purposes, and the spans and loads exceed the capability of type “B” cellular.

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