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Transducer Mounting Options - Screw, Glue or Both?
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<blockquote data-quote="Tin Man" data-source="post: 497268" data-attributes="member: 7021"><p>Update: </p><p></p><p>Just got off the phone with West System tech dept. Called them a few years ago about HDPE adhesion, but wanted some clarification.</p><p></p><p>They are confident in using G-Flex 655 with HDPE and bare alum with no screws needed. </p><p></p><p>They said sanding (80 grit paper) both bare alum and HDPE is critical within 30 mins of epoxy application, in addition to the alcohol wipe down and flame treatment of HDPE. No pressure needed to hold HDPE in place, only strong duct tape (due to vertical mounting) to hold in place for 24 hrs.</p><p></p><p>They said that bare alum was the best method, and that sanded painted alum would work, but only as strong as paint adhesion. Best to sand down to bare alum using 80 grit.</p><p>Flame treatment of HDPE is also critical.</p><p></p><p>They said that there is a King Starboard (manufacturer) video that provides good guidance on installation. West also has an article on Alum boat repair that is also useful. </p><p></p><p><a href="https://www.youtube.com/watch?v=zL0fyNBaHoI&t=15s" target="_blank">King Starboard Video</a></p><p></p><p><a href="https://www.westsystem.com/wp-content/uploads/650-K-Aluminum-Kit-Instruction.pdf" target="_blank">West System Alum Boat Repair</a></p></blockquote><p></p>
[QUOTE="Tin Man, post: 497268, member: 7021"] Update: Just got off the phone with West System tech dept. Called them a few years ago about HDPE adhesion, but wanted some clarification. They are confident in using G-Flex 655 with HDPE and bare alum with no screws needed. They said sanding (80 grit paper) both bare alum and HDPE is critical within 30 mins of epoxy application, in addition to the alcohol wipe down and flame treatment of HDPE. No pressure needed to hold HDPE in place, only strong duct tape (due to vertical mounting) to hold in place for 24 hrs. They said that bare alum was the best method, and that sanded painted alum would work, but only as strong as paint adhesion. Best to sand down to bare alum using 80 grit. Flame treatment of HDPE is also critical. They said that there is a King Starboard (manufacturer) video that provides good guidance on installation. West also has an article on Alum boat repair that is also useful. [URL='https://www.youtube.com/watch?v=zL0fyNBaHoI&t=15s']King Starboard Video[/URL] [URL='https://www.westsystem.com/wp-content/uploads/650-K-Aluminum-Kit-Instruction.pdf']West System Alum Boat Repair[/URL] [/QUOTE]
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Boat House
Transducer Mounting Options - Screw, Glue or Both?
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