Yer gonna here it again. clean, virgin glass to adhere to. grind it till ya get it.
Epoxy sticks better, but flexes less.. poly doesn't adhere as well but flexes more.Surgically clean (or thereabouts) outer skin, (from the inside lookin out) ya know what I mean. So.... prefab ur transom. Both layers. Ur choice of resin. But.. would use epoxy, not poly to adhere the assembled unit to the existing outer glass. Good luck
I used PL "400" construction adhesive on my stringers and have found that tho the elasticity is greater than that of polyresin, the rigididity is nowhere near the same. Think about it. The force of the waves are transmitted 2 ur hull. What moves the motion to the stringers?? What purpose do ur stringers serve? 2 transfer stress througought ur hull. Flexible PL400 or a near flexible "construction adhesive"? Or a stout, rigid, compound we know as polyester resin with glass... Hence////////// lay up ur stringers in a bed of glass putty, like every good rebuilding book suggests.
Geez.... its so easy 2 parrot. BTDT. So... when ur boat is in ur garage, (if ur lucky enough 2 have 1) and ur burnt up with glass itch... just what does mayonaise or ketchup feel like??? Uh... another damned trip to the local parts house cuz Lowes don't carry polyester resin anymore... And ya better have a decent supply of chip brushes.... Can ya say Walmart?.... Oh Yeah... US Composites rock. Rolled glass. Fresh kicker. AKA catalyst. Cool tools. Lots of chipped glass, cabosill, and other stuff. Believe whatcha want. work out the rest
