Installing the coaming soon. The instruction say to glue up all the pieces directly on the boat. I am considering gluing up the spacers & coaming seperately, on a flat surface, then gluing the assembly to to boat. Has anyone done it this way? I'm thinking that it might be easier to remove glue drips, and sand the outside edge, off the boat, where I don't have to worry about scrathing the hull as much. On the other hand, will I be able to get it to clamp to the boat, or do the parts need to be able to slide around on one another to get it to conform?