6. Remove and save the short 2x4 blocks. They
will be used in a later step.
Detail 'B'
Step 7
Assemble Roof Trusses
1.
Place (2) two 80-1/2" long 2x4 truss rafters and a 82" long collar tie together as shown below.
The collar tie has an angle cut on both ends. Reposition the lower 2x4 blocks to hold the truss
rafters in place. See 'Detail B'.
2.
Secure the 2x4 truss rafters at the top with a 8" x 16" wood gusset. Apply wood glue between
the 2x4s and the gusset. Nail the gusset to the 2x4s with (14) fourteen 6d common nails,
3.
Secure teh 2x4 collar tie with (4) four 3" long wood screws at each end. Tip: Pre-drill holes
with an 1/8" bit to prevent wood splitting at ends.
4.
Turn this truss over and apply a wood gusset to the opposite side at the ridge.
5.
Repeat to assemble (8) eight more trusses.
Ridge Gusset
2x4-82" Collar Tie
!
Install collar tie the same
distance from bottom end of
rafters.
80-1/2" Truss Rafter
2x4 Block
2x4 Block
2x4 Block
80-1/2" Truss Rafter
!
Collar Tie Flush
with Rafter