Bedding for Teak Handrails

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Charlie

I have a 1988 H23. I pulled off the teak handrails on the topsides and sanded and refinished them with Cetol. They look pretty good. I want to reinstall them and I noticed some of them had white caulk underneath and some of them had what looks like clear silicon. Whats the best choice to rebed them? Thanks for any help anyone can offer.
 
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Ward Niffenegger

5200 worked fro me in that application

There are at least 100 sealants, puttys, caulks and adhesives that would work to keep water out in this application. When looking for one of them, keep these things in mind: 1. Will it seal in the application I am using it for? 2. Does it need adhesion qualities or just water barrier qualities? 3. Do I need to remove it in the future? 4. Does it show when the job is done or is it hidden? 5. How much time do I have to work with it before it cures, sets or hardens? 6. What consistency does it need to be for where I am putting it....... ie. will it run down the side of the boat if I use it? 7. Will it be affected by UV, temperature or pressure? These are a few things to think about when using sealant materials. I am no expert, but there is more to consider than just keeping water out . 3M 5200 marine caulk has worked good for me on the same handrails. I used very little around the screw holes and tightened them. 5200 doesn't come off easily, so I wouldn't use it if you want to refinish often. Another option is marine putty.... sorry I don't have part numbers. The putty stay plyab;e but is not very sticky. It works more like a gasket. Good luck Ward
 
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Joe

5200 for me too

I refinished the handrails on my H23 last year, I used the 5200. I think you need something tough and waterresistant, since the spots could be a source of water entry.
 
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R.W.Landau

Life caulk

Charlie, You took them off and refinished your teak. If you use 5200 you won't get them off to refinish them again. I would use life caulk or 4200. r.w.landau
 
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Cliff Ruckstuhl

5200??

If you want to get them off again don't use 5200 but 4200 will work just fine. 4200 has the same properties as 5200 but it will come off at a later time. The 5200 if you read the label is for stuff you don't want to remove with out it being a huge job.
 

Rick

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Oct 5, 2004
1,097
Hunter 420 Passage San Diego
Rebedding Handrails

Charlie, Hope this helps: Polysulfide: Goes by the brand name Life Caulk and is the best for rebedding deck hardware. Silicone: Portlight bedding or insulation between dissimilar metals. Polyurethane. 3M 5200 is polyurethane and it's a PERMANENT sealant. If there is any likelihood that you will want to separate the two parts later, don't use 5200. It will also attack plastic so don't use with portlights etc. There is a hybrid of Polyurethane and Silicone mix marketed by BoatLife and goes by the name "Life Seal" I haven't tried it yet but you can use it on portlights as it won't attack plastic.
 
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