Well I really don't mind using the 5 min epoxy, just was wondering if there was a better way. I do agree that applying the CA from the side will cause it to soak through, the problem is on a leading edge sheet you do not have access to the ribs unless you unpin the wing as Woodpile suggests. It is just that the Something Extra instructions recommend not unpinning until you want to start on the bottom because it still needs to be held in place until all top sheeting is completed. I really do appreciate the suggestions though, and think the placing of thick CA on the ribs and then adding the sheeting may be the way to go. At least I wouldn't have to mix everytime I want to put epoxy on the ribs.