Ceiling Assemblies Costs for wood framed ceiling joists with ceiling finish and fiberglass insulation, based on performing the work at the construction site. These costs include the ceiling joists, ceiling finish as described, blocking, nails and 3-1/2" thick R-11 fiberglass insulation batts between the ceiling joists. Figures in parentheses indicate board feet per square foot of ceiling framing including end joists and typical header joists. No beams included. Ceiling joists and blocking are based on standard and better grade lumber. Costs shown are per square foot of area covered and include normal waste. Deduct for openings over 25 SF.
Ceiling joists with regular gypsum drywall taped and sanded smooth finish, ready for paint
    Using 2" x 4" at — MBF 605.00 — 605.00
    Using 2" x 6" at — MBF 617.00 — 617.00
    Using 2" x 8" at — MBF 598.00 — 598.00
  2" x 4" ceiling joists at 16" on center (.59 BF per SF), with insulation and 1/2" gypsum drywall B1@.053 SF 1.41 1.77 3.18
  2" x 6" ceiling joists at 16" on center (.88 BF per SF), with insulation and 1/2" gypsum drywall B1@.055 SF 1.70 1.83 3.53
  2" x 8" ceiling joists at 16" on center (1.17 BF per SF), with insulation and 1/2" gypsum drywall B1@.057 SF 1.94 1.90 3.84
For spray applied plaster finish (sometimes called “popcorn” or “cottage cheese” texture)
    Add for ceiling texture DT@.011 SF .08 .39 .47
For different type gypsum drywall with taped and sanded smooth finish, ready for paint
    1/2" moisture resistant greenboard, add — SF .35 — .35
    5/8" fire rated board, add — SF .05 — .05
For different ceiling joist center to center dimensions
  2" x 4" ceiling joists
    12" on center, add B1@.004 SF .11 .13 .24
    20" on center, deduct — SF -.06 -.06 -.13
    24" on center, deduct — SF -.10 -.12 -.23
  2" x 6" ceiling joists
    12" on center, add B1@.006 SF .17 .20 .37
    20" on center, deduct — SF -.08 -.06 -.17
    24" on center, deduct — SF -.13 -.11 -.28
  2" x 8" ceiling joists
    12" on center, add B1@.006 SF .22 .20 .42
    20" on center, deduct — SF -.11 -.08 -.22
    24" on center, deduct — SF -.18 -.13 -.34
For different type insulation
  Fiberglass batts
      6-1/4" thick R-19, add — SF .22 — .22
    10" thick R-30, add — SF .60 — .60
  Blown-in fiberglass
      8" thick R-19, add — SF .34 — .34

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