6. Remove and save the short 2x4 blocks. They
will be used in a later step.
Detail 'B'
!
!
Step 9
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
rafter and collar tie in place. See 'Detail B'.
2.
Secure the 2x4 truss rafters at the top with a 8" x 20" wood gusset. Apply wood glue between
the 2x4s and the gusset. Nail the gusset to the 2x4s with (14) fourteen 6d common nails.
3.
Install (2) two 12"x24" gussets at ends of the collar tie. Glue and nail using 14 nails per gusset.
4.
Turn this truss over and apply wood gussets to the opposite side.
5.
Repeat to assemble (4) four more trusses if you are building a 12' long building.
2x4 Block
Top Gusset
12"x24" Gusset
2x4-82" Collar Tie
!
Install collar tie the same
distance from edge of floor.
80-1/2" Truss Rafter
2x4 Block
2x4 Block
2x4 Block
80-1/2" Truss Rafter
