Type “H” & “H Cellular” (6″ Deep Roof Deck)

Cellular decking is typically used in exposed ceiling areas where a flat bottom ceiling is desired without compromising any load capabilities. The H Cellular is designed with the strength of roll formed steel combined with a finished bottom plate.

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Type “H” & “H Cellular” (6″ Deep Roof Deck)

Cellular decking is typically used in exposed ceiling areas where a flat bottom ceiling is desired without compromising any load capabilities. The H Cellular is designed with the strength of roll formed steel combined with a finished bottom plate.

Section Properties (Fy=33 ksi)

GageDesign ThicknessWeight (psf)GlvIp(In4)In(In4)Sp(In3)Sn(In3)
20.03583.374.90655.71041.3911.614
18.04744.316.97547.8215 2.05572.2796
16.05985.399.13599.83382.73392.9773

– Section properties calculated in accordance with AISI specifications

GageWeight (psf)Glv Ip(In4)In(In4)Sp(In3) Sn(In3)
20/204.776.1695.3911.2771.261
20/185.66.4586.7811.2551.693
18/205.718.6356.5792.1011.59
18/186.539.4227.8492.0321.969
18/166.8910.0811.2162.1122.439
16/187.6111.8979.2143.0442.241
16/167.8512.83711.0513.0742.722

Acoustical Data Absorption Coefficients

125250500100020004000NRC
.671.031.19.99.87.771.0

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

Type Gage15’-0” 16’-0”17’-0” 18’-0”19’-0” 20’-0” 21’-0”22’-0” 23’-0”24’-0”25’-0”26’-0” 27’-028’-0”29’-030’-0”
H2055***51***48***46***43***41***39***37***35 32292725232220
H1895***89***84***79***75***67**5953**48**43**39**36**33**31**29** 27**
H16145***136***127***11597**85**75 66**59** 53**48**44**40**37**35** 32**
HC20/2055***51***48***46***43***41***383532292725232220 19
HC20/1855***51***48***46***43***41***3936 3330282624232120
HC18/2095***89***84*** 79***75***69 6357524844413836 3331
HC18/1895***89***84***79***75***6963575248444138363331
HC18/1695***89***84***79***75***7063585349454138363331
HC16/18145***136***127***121***111 100918374**66**60**55**50**46**4239
HC16/16145***136***127***121***112101 9284777064**58**53**48**4542

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 in the green shaded areas 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.
  3. (no stars) Loads shown in the unshaded areas are controlled by a maximum stress of 20 ksi.
  4. *** Loads shown in the beige shaded areas are controlled by web crippling with a minimum 3” bearing.

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