Interior Ceiling Spans

Interior Ceiling Spans (ProSTUD® Framing)

Ceiling Design

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Single Span Ceiling (Unbraced)Single Span Ceiling (Braced @ Midspan)

Single Span Ceiling (Unbraced)

See unbraced ceiling systems below.

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Limiting Ceiling Span

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ft

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Up to 30ft

in

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Up to 11in

Stud Web Width

All

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All1-5/8"2-1/2"3-1/2"3-5/8"4"5-1/2"6"

Stud Thickness

All

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AllPro25 (15mil 50ksi)Pro20 (18mil 70ksi)Pro30MILPro33MIL

Stud Spacing

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All121624

(in) o.c.

Lateral Load

4 psf

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4 psf6 psf10 psf

Deflection

All

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AllL/120L/240L/360

28 Ceiling Systems Shown

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Design Notes

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Notes

Design Notes

• For unbraced sections, allowable moment is based on AISI S100 Specification Section F2 & F3 with weak axis and torsional unbraced length assumed to be the listed span (completely unbraced).
• Web crippling calculation based on bearing length = 1 inch.
• Web crippling and shear capacity have not been reduced for punchouts. If web punchouts occur near support members must be checked for reduced shear and web crippling in accordance with the AISI S100 Specification.
• Values are for simple span conditions.
• Lengths labeled with an "e" required web stiffeners at supports.