| TABLE 30 |
| APA PANELS FOR OPEN SOFFIT
OR FOR COMBINED ROOF DECKING-CEILING(a)(b) |
| Maximum Span (inches) |
Panel Description (All panels Exterior
or Exposure 1) |
Species Group for Plywood |
| 16 |
15/32" APA RATED SIDING 303 |
1,2,3,4 |
| 15/32" APA MDO, Sanded and Touch-Sanded
Plywood |
1,2,3,4 |
| 24 |
15/32" APA RATED SIDING 303 |
1 |
| 15/32" APA MDO, Sanded and Touch-Sanded
Plywood |
1,2,3 |
| 19/32" APA RATED SIDING 303 |
1,2,3,4 |
| 19/32" APA MDO, Sanded and Touch-Sanded
Plywood |
1,2,3,4 |
| APA RATED STURD-I-FLOOR 16 oc |
- |
| 32 |
19/32" APA RATED SIDING 303 |
1 |
| 19/32" APA MDO, Sanded and Touch-Sanded
Plywood |
1 |
| 23/32" APA Textured Plywood(c) |
1,2,3,4 |
| 23/32" APA MDO, Sanded and Touch-Sanded
Plywood |
1,2,3,4 |
| APA RATED STURD-I-FLOOR 20 oc |
- |
| 48 |
1-1/8" APA Textured Plywood(c) |
1,2,3,4 |
| APA RATED STURD-I-FLOOR 16 oc |
- |
(a) All panels will support at least 30 psf live load plus 10psf
dead load at maximum span.
(b) For appearance purposes, blocking, tongue-and-groove edges or
other suitable edge supports should be provided.
(c) Also see Table 24 for APA RATED
SHEATHING/CEILING DECK.
| TABLE 31 |
| APA PANELS FOR CLOSED SOFFIT OR FOR
NONSTRUCTURAL CEILING(a)(c) (Long dimension across supports) |
| Maximum Span (in.) All
Edges Supported |
Nominal Panel Thickness |
Species Group |
Nail Size and Type(a) |
| 24 |
11-32" APA (b) |
All Species Groups |
6d nonstaining box
or casing |
| 32 |
15/32" APA(b) |
| 48 |
19/32" APA(b) |
8d nonstaining box or casing |
(a) Space nails maximum 6 inches at panel edges and 12
inches at intermediate supports for spans less than 48 inches; 6 inches at all supports
for 48-inch spans.
(b) Any suitable grade panel which meets appearance
requirements. -Exterior for closed soffits, exposure 1 or Exterior for nonstructural
ceiling.
(c) For appearance purposes, blocking, tongue-and -groove
edges or other suitable edge supports should be provided. |
