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question for grafting jet ski hull into jon hull
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<blockquote data-quote="CedarRiverScooter" data-source="post: 403297" data-attributes="member: 15465"><p>Recommend 3M5200, 1/8 inch thick bead minimum. This is not epoxy, rather it is a urethane sealant. A cheaper option would be to use roofing sealant, which is a lower grade of same thing. I used 2 caulk tubes of 5200 & got them for $20 each, so using the good stuff didn't break the budget.</p><p></p><p>Prep the surface by sanding with 80 grit, soon before you apply the sealant. If you can place some 1/8 spacers just outside the joint, they will assure consistent bead thickness. It is runny, so have some cardboard on the floor to catch drips. Next time I do this, I might use tape across the bottom of the seam, to keep it from running out.</p><p></p><p>The sealant takes a long time to fully cure, like a week.</p><p></p><p>After it is cured, then drill your screw holes (Also recommended). Put 5200 on the screws when you assemble them so they don't leak.</p><p></p><p>Make sure & wear gloves, or you will be wearing 5200 for a couple weeks!</p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="CedarRiverScooter, post: 403297, member: 15465"] Recommend 3M5200, 1/8 inch thick bead minimum. This is not epoxy, rather it is a urethane sealant. A cheaper option would be to use roofing sealant, which is a lower grade of same thing. I used 2 caulk tubes of 5200 & got them for $20 each, so using the good stuff didn't break the budget. Prep the surface by sanding with 80 grit, soon before you apply the sealant. If you can place some 1/8 spacers just outside the joint, they will assure consistent bead thickness. It is runny, so have some cardboard on the floor to catch drips. Next time I do this, I might use tape across the bottom of the seam, to keep it from running out. The sealant takes a long time to fully cure, like a week. After it is cured, then drill your screw holes (Also recommended). Put 5200 on the screws when you assemble them so they don't leak. Make sure & wear gloves, or you will be wearing 5200 for a couple weeks! Good luck! [/QUOTE]
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question for grafting jet ski hull into jon hull
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