While I had some tank sealant mixed to glue the trim tab stiffeners in place, I thought it prudent to also glue up the left elevator trailing edge at the same time.
The instructions do not call for tank sealant on this short edge, however I decided to use it anyway to ensure a perfectly straight edge.
I'll leave this now for a couple days before setting the double-flush trailing edge rivets.
The aluminium angle holds the trailing edge nice and straight while the tank selant sets