USG SHEETROCK Gypsum Panels - Manual (Page 7)

Gypsum Panel Coverage Calculator
Size of Panels
No. of Panels 4
Јx8Ј
4
Јx10Ј
4
Јx12Ј
10 320 sq. ft. 400 sq. ft. 480 sq. ft.
11 352 440 528
12 384 480 576
13 416 520 624
14 448 560 672
15 480 600 720
16 512 640 768
17 544 680 816
18 576 720 864
19 608 760 912
20 640 800 960
21 672 840 1008
22 704 880 1056
23 736 920 1104
24 768 960 1152
25 800 1000 1200
26 832 1040 1248
27 864 1080 1296
28 896 1120 1344
29 928 1160 1392
30 960 1200 1440
31 992 1240 1488
Use the following table to determine the maximum frame spacing for
direct application of gypsum panels to wood framing.
Frame Spacing for Single-Layer Application
board application max. frame
thickness location method (1) spacing o.c. in.
3/8
Љ
ceiling (2)(3) perpendicular (3) 16
sidewall parallel or perpendicular 16
1/2
Љ
ceiling (4) parallel (3) 16
perpendicular 24 (5)
sidewall parallel or perpendicular 24
5/8
Љ
ceiling (4) parallel (3) 16
perpendicular 24
sidewall parallel or perpendicular 24
For S
HEETROCK
Brand Interior Ceiling Panels—Sag-Resistant
board application max. frame
thickness location method (1) spacing o.c. in.
1/2
Љ
ceilings parallel or perpendicular 24
(1) Long edge position relative to framing.
(2) Not recommended below unheated spaces.
(3) Not recommended if water-based texturing material is to be applied.
(4) S
HEETROCK Brand Gypsum Panels— Water Resistant are not recommended for ceiling where framing is
greater than 12
Љ o.c. for single-layer resilient application where tile is to be supplied.
(5) Max. spacing 16
Љ o.c. if water-based texturing material to be applied.
7