Fit truss tail over the bottom of the structural truss. Scribe the back side of the truss tail to the parallel with the exterior wall of the structure. Cut the truss tail to the desired length. Fit the truss tail tightly over the truss and shim if necessary. Attach with a continuous bead of urethane based adhesive at the truss tail edge and then install an adequate number of mechanical fasteners, penetrating a minimum of 1" into the side of the truss.