Technical Specifications
P. 10
FIGURE 1
(
CONTINUED
)
Typical P3 Floor Joist Framing and Construction Details
All nails shown in the details below are assumed to be common nails unless otherwise noted� 10d box nails
(0�128 x 3”) may be substituted for 8d common (0�131 x 2-1/2”) as shown in details� Individual components are
not shown to scale for clarity�
2e
2c
2f
2d
LOAD TRANSFER WITH PASS THRU BLOCKING DETAIL
P3 JOIST AS RIM JOIST DETAIL
Transfer load from above to bearing below� Install squash blocks per 2d�
Match bearing area of blocks below to post above�
PARALLEL END P3 JOIST DETAIL
SQUASH BLOCK DETAIL
Pair of Squash Blocks
Vertical load transfer
capacity per pair of
squash blocks (lb)
3-1/2” wide 5-1/2” wide
2x lumber 3800 5900
1-1/8” APA Rim Board,
Rim Board Plus, or
Rated Sturd-I-Floor 48 oc
2600 4000
1” APA Rim Board or
Rated Sturd-I-Floor 32 oc
1900 3000
Provide lateral bracing per 2a, 2b, or 2c�
Wall sheathing,
as required
Use single P3 Joist for loads up to 2000 plf and double P3 Joist for loads up
to 4000 plf (filler block not required)� Attach P3 Joist to top plate using
8d nails at 6” o�c�
Provide backer for siding attachment unless nailable sheathing is used�
APA Rim Board may be used in lieu of P3 Joist� Backer is not required
when APA Rim Board is used�
Squash block
APA Rim Board
blocking panel per 2a
+ 1/16” for
squash blocks
P3 Joist rim
joist per 2a
Attach rim joist to floor joist with one nail at top and bottom�
Nail must provide 1” minimum penetration into floor joist�
For 2-1/2” and 3-1/2” flange widths, toenails may be used�
Minimum 1-3/4”
bearing required
Attach P3 Joist per 2b�
Attach rim joist to top plate per 2a�










