Georgia-Pacific Engineered Lumber Canada - Manual (Page 14)

14
GeorGia-Pacific Wood Products
JaN 2014
caNadiaN iNstallatioN iNstructioNs
Pa
Ge
roof details (continued)
2G
Roof Opening, Face-Mounted Hangers
Backer block on both sides of
web (or backer block and filler
block, if multiple I-Joists), nail
with twelve-10d nails clinch
when possible.
Header may be I-Joist,
LVL, glulam, or lumber.
Bearing stiffeners required when
hanger does not support I-Joist top flange.
Filler blocking
(attach per
Fig. 1H)
Face-mount hanger
per hanger
manufacturer's
recommendation
2H
Birdsmouth Cut & Bevel Cut Bearing Stiffener
Bearing stiffeners required
each side of I-Joist.
Bevel cut bearing
stiffener to match
roof slope.
Four-8d nails (three each side)
clinched when possible.
Birdsmouth cut shall bear fully
on flange and not overhang the
inside face of plate.
" gap at top
One 10d box nail, face nail
at each side of bearing
(face nail where flange is
" to 1" thick)
2I
Birdsmouth Cut with Overhang (Permitted on low end of I-Joist only)
Bearing stiffener
required each side.
Attach joist to top
plate per Fig. 2H
Birdsmouth cut
at bearing
Note: Additional connection may be required for wind uplift. Outside
corner of blocking panel may be trimmed if it interferes with roof
sheathing. In such cases, position blocking panel on top plate to
minimize trimming and still allow required nailing into top plate.
Blocking panel
or x-bridging.
Bearing stiffener
(shown on blocking
panel side only)
Attach blocking
per Fig. 2A
1 /
8
" gap at top
2J
Blocking Panel at Beveled Plate
Attach I-Joist to beveled
plate per Fig. 2A
Blocking Panel
attach per Fig. 2A
Overhang
Beveled plate
Note: Additional connection
may be required for wind uplift.
2K
I-Joist with Bevel-Cut End
Do not bevel-cut joist
beyond inside face of wall
Attach per
Fig. 2A
Note: Blocking or
x-bridging required
at bearing for lateral
support, not shown
for clarity. Additional
connection may be
required for wind uplift.
2L
Outrigger
Notch 2x outrigger
around I-Joist
Do not notch I-Joist flange
Block between outriggers
End wall
Maximum overhang
same as rafter spacing
(not to exceed 2'-0")
Toe nail
blocking to end wall
for roof sheathing ≤ ".
Match nail type and spacing
with roof sheathing edge nailing.
Use minimum 8d nails.
Note: Additional connection
may be required for wind uplift.
All nails shown in the details below are assumed to be common nails unless otherwise noted. 10d box nails may be substituted for 8d common shown in details. .
Individual components not shown to scale for clarity.
2'- 0"
max.
Permitted on low
end of I-Joist only
+
+
( ) designates nails from near face
(
+ ) designates nails from far face
Legend
3 /
8
7 /
8
1 /
8