[Rhodes22-list] Soul of the sole
The Rhodes 22 Email List
rhodes22-list at rhodes22.org
Thu Jan 15 13:03:39 EST 2015
Thanks Rummy!
I appreciate your wisdom in the matter. Hey that NP1 is similar in chemical composition to the 4200 but home depot has it for $23 for a 4 pack! Not bad! 4200 is $12 each.
Thank you. I will look for it and probably go with that!
Bob
> On Jan 15, 2015, at 11:59 AM, The Rhodes 22 Email List <rhodes22-list at rhodes22.org> wrote:
>
> Bob,
> I've answered this question several times recently and my choice remains
> the same. I use a product called NP1. It is a single part polyurethane that
> is extremely sticky, remains flexible and doesn't harden over it's expected
> life expectancy of 15 years when exposed to direct sunlight and weather.
> Silicon is not a good choice as it does not adhere to surfaces. It is
> designed to be used as a sealant,such as in installing gaskets which are under
> pressure. It could be argued that the deck joint functions like this, but in
> reality it doesn't.
>
> Rummy
>
>
> In a message dated 1/15/2015 10:43:45 A.M. Eastern Standard Time,
> rhodes22-list at rhodes22.org writes:
>
> 3m 5200 It is what most manufacturers are using for hull to deck sealants.
> It is true it is an adhesive. But, it is a waterproof strongly adherent,
> flexible one. If removed you do have to grind it off with a power drill
> and wire brush. It may also make the boat less desirable to recycle.
> The 5200 adhesive and 4200 sealants are moisture cure polyurethanes.
> Water causes it to cure and set up. I do not believe Silicone is the treatment
> of choice, though it would work for a while. It looses its adherence over
> time with the flexing of the hull and will wick moisture in by capillary
> action within a few years. Silicone also shouldnt be used below the
> waterline ever! and someone used it to seal my through hull joints. I have to
> take them out and seal them properly too.
> Who out there has used silicone and what is your experience? Silicone is
> cheaper and great for house windows but i dont think it has a place on board
> a boat. It isnt totally waterproof and breaks down very fast in a salty,
> warm environment. If you are bedding hardware you might want to remove in
> the future, perhaps 3M 4200 might be the way to go.
> Lets ask Rummy!
> Bob
>
>>> On Jan 15, 2015, at 10:07 AM, The Rhodes 22 Email List
>> <rhodes22-list at rhodes22.org> wrote:
>>
>> I would not use 5200 if I were you. It is a permanent adhesive and not
>> designed for this type of application. Use a sealant instead and you'll
> be
>> better off.
>>
>> Hank
>> On Thu, Jan 15, 2015 at 9:55 AM, The Rhodes 22 Email List <
>> rhodes22-list at rhodes22.org> wrote:
>>
>>> Graham: Yes that is what i meant. These boats have a notoriously leaky
>>> hull to deck joint. Stan explained it was due to the workers
> ineptitude he
>>> had applying the joint caulk during those years. They probably caulked
> the
>>> seam after the hull and deck were fastened instead of caulking both
> sides
>>> then putting the sandwich together and just wiping away the excess.
>>> I am going to remove the rail, clean out as much old caulk as i can and
>>> then seal it with 3m 5200 and re-attach the rub rail. It shouldnt leak
> any
>>> more. I did this once before on an 80's era boat and it worked great.
>>> Shortcuts were happening in every industry back then.
>>>
>>>>> On Jan 15, 2015, at 9:43 AM, The Rhodes 22 Email List <
>>>> rhodes22-list at rhodes22.org> wrote:
>>>>
>>>> I doubt that it is the rub rail that is leaking. If it is leaking
> through
>>>> the screw holes you might get away with just removing the screws one
> at a
>>>> time and reinserting with sealant. It is more likely that the leak is
>>> behind
>>>> the rub rail where the deck and hull join.
>>>>
>>>> Graham
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: rhodes22-list-bounces at rhodes22.org
>>>> [mailto:rhodes22-list-bounces at rhodes22.org] On Behalf Of The Rhodes 22
>>> Email
>>>> List
>>>> Sent: January-15-15 6:56 AM
>>>> To: The Rhodes 22 Email List
>>>> Subject: Re: [Rhodes22-list] Soul of the sole
>>>>
>>>> Thanks Rummy.
>>>> Yes i already have the bleach and scrub brush out there. I am going to
>>> do
>>>> the rub rail first though. Very leaky boat!
>>>> Bob
>>>>
>>>>>> On Jan 15, 2015, at 5:06 AM, The Rhodes 22 Email List
>>>>> <rhodes22-list at rhodes22.org> wrote:
>>>>>
>>>>> I'm sure you are aware of this,but the photo shows a great deal of
> mold.
>>>>> You might want to clean the area really good with a soapy bleach
>>>>> solution prior to installing the new stringers.
>>>>>
>>>>> Rummy
>>>>>
>>>>>
>>>>> In a message dated 1/14/2015 9:29:05 P.M. Eastern Standard Time,
>>>>> rhodes22-list at rhodes22.org writes:
>>>>>
>>>>> http://www.rhodes22.org/pipermail/rhodes22-list/attachments/20150114/6
>>>>> 474727
>>>>> 0/attachment.JPG
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