rubrails

Hello All, I put 2" - 2" TEAK Rubrails on my 36 RH and used 3 inch screws with 5300 on them through the glassed interior hull/deck joint. Some have failed to stay water tight. I rounded off both edges of a 2 by 2 and dadoed a groove in the back to go over the hull/deck joint flange then bored...