It now hold air pressure. That's how I did it, you may have some improvements, but it worked for me, and I did not have to cut any holes in the tanks, thus no repairs to the outside finish of the wing skin. My 2 cents worth. Phil Matheson
Phil I always thought you had to sand a fiberglass lay-up some in order to provide some teeth for the new epoxy to bond to. You might keep an eye on your fuel filters in case some comes loose later. Lynn Hyder N37LH
