I've clad an outside building in larch, and I have left to do, larch timber reveals and architrave. The latter will, I hope, cover my cack handed DIY-ing where the timbers meet (or don't); but I'm worried how sharp the back edge of the reveal will look against the aluminium frame.
If it's a bit ropey, is there a silicone that will effectively seal the larch to frame in a bead? Thanks.
If it's a bit ropey, is there a silicone that will effectively seal the larch to frame in a bead? Thanks.

