Had a poling platform built for my new to me Ankona Native. The plan for install is through bolt with stainless hardware where applicable. Screw with stainless screws in locations bolts can not go. Use 3m 4000 or 4200 under the platforms “feet”. My understanding is 5200 is permanent and I don’t want it stuck there forever in case I need to make a repair or something happens down the line. Does this sound like a good plan?
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Yes
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Here is another option I just used on my push pole holders. I like it because its easy to remove and it lasts a long time.
Will be using it when I remount my Poling Platform in a few weeks.
For a platform that will be under pressure and torque of a human, you absolutely want to apply 5200 along with your stainless hardware, it is exactly how my Hewes Redfisher was mounted at the factory, and probably how most platforms are mounted.
BTW you can remove 5200 in The future if you need to.
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Yep. However, IMO 5200 is fine as well, as I’ve used it in this same application several times.
When I installed the platform I used 1/8" aluminum plate on the back side. On my Conchfish build, the platform is out on the edge of the cap. I drilled probably a 1" hole through and through, filled them with thickened epoxy and then drilled through that for my mounting bolts. I’ve never used 4200 or 5200 for platforms, just high quality exterior caulk and have never had an issue.
So there are some differing opinions here, so I’ll attempt to get back to the basics of what is trying to be accomplished.
The platform is bolted to the deck, so why would a permanent bond be needed? The platform isn’t going to magically lose its bolts. However, water can find its way under the feet of the platform and into the bolt holes.
5200 is permanent and can be removed, but not without collateral damage if not done right. I removed the platform on my Whipray and it took some gelcoat with it. I could not tell if it was 4200 or 5200, but the damage was done.
So the question is why use what is known as a permanent bond when bolts and caulk will do the job needed? But I would not use 5200 in case the platform ever needs to come off again. To each their own, but in some cases over engineering a solution does come with unwanted side effects down the road.
Sometime in the future I want to raise my platform with some spacers to gain more clearance for my engine. I’ll be glad I didn’t use 5200 when I installed it.
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While I agree with you that I wouldn’t use 520o under a poling platform, I can offer some advice on removing objects secured with 5200 . Get some 100lb power pro, string it between to pieces of dowel or small pvc. Run the line under what you are trying to remove with a back and forth sawing motion and you can cut through 5200. Remnants can then be removed with elbow grease. If seen the same technique suggested using wire, but wire will scratch and scar gel coat. You might break the power pro a time or two in the process but just re string it up and keep going. It’s not too hard and works well.
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Heat gun on the aluminum too…
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Debond…