John, There is no flange on these and the perimeter is vertical, top to bottom. Also, the hinge side has seal issue and is prone to leaking. Not a great design. I took mine out about 8 years ago, changed the seal, plexi, and reset it. I can't remember what I did in the resetting process but it has been 98% good since then. It's not perfect with the odd drip occasionally, but I'm leaving well enough alone. I know that's not much help for you.
Paul Hood REFUGE - '81 C&C34 Georgian Bay From: John Read via CnC-List <cnc-list@cnc-list.com> Sent: December 9, 2022 10:03 PM To: 'Stus-List' <cnc-list@cnc-list.com> Cc: John Read <johnprea...@gmail.com> Subject: Stus-List Hatch in head https://www.atkinshoyle.com/products/Single-Frame-Boat-Hatch/Single-Frame-Bo at-Hatch/Model-550.html#Gallery-1 <https://www.atkinshoyle.com/products/Single-Frame-Boat-Hatch/Single-Frame-B oat-Hatch/Model-550.html#Gallery-2> My Atkins & Hoyle hatch in the head has developed a leak between the aluminum frame and the deck. Have tried various sealants which all have failed mainly because they lose adhesion to the vertical aluminum surface. Cannot figure out how to remove the frame so I can clean it and reseal (with butyl?). There are no visible flanges. It is a tight fit to the hole cur in the deck. Has anyone had similar issues? Is there a flange on the frame that is sealed to the underside of the deck? Is it just glued in with plexus or similar? All thoughts welcomed John Read Legacy III 1982 C&C 34 Noank, CT
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