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Catalina/Capri 25/250 Sailor's Forums

General Sailing Forum

Can I use 4200, or do I hafta use 5200?

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Ben
Master Marine Consultant

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USA
1234 Posts

Initially Posted - 04/09/2004 : 18:23:46

Hi All,

I am installing an anchor roller on Adventurous and am following the directions posted in the tech tips, which calls for West System 5200 between the anchor roller and the deck. Being the funds-challenged person that I am, and since I don't have enough 5200 already, I'm wondering...Is it okay if I use 4200, of which I have plenty? I can't see a downside, but the upside being that the installation is not permanent. If 5200 is really the better choice, I will not compromise on the boat, and I will purchase the 5200. But if 4200 will work just as well, then...

Thanks all!

Ben
Beneteau 361
Viking Kitty
Columbus, Ohio

Edited by - on

dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/09/2004 : 18:37:34

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by Ben
 I am installing an anchor roller on Adventurous and am following the directions posted in the tech tips, which calls for West System 5200 between the anchor roller and the deck...I'm wondering...Is it okay if I use 4200...?<hr height="1" noshade id="quote"></blockquote id="quote">

Ben,

I would use the 4200 because, like any other piece of deck hardware, you may have to remove it sometime in the future. Besides, the bolts securing the anchor roller provide all the mechanical adhesion it will ever need.

I can't think of too many applications on the deck where I'd use 5200. Super gluing the keel to the boat is about it.

Edited by - on

Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 04/09/2004 : 19:09:40

I either used 4200 or maybe even 4000. I do not intend to ever buy 5200 for anything.

Edited by - on

cch
Navigator

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202 Posts

Response Posted - 04/09/2004 : 19:14:30

I think Catalina Direct included 4200 with the anchor roller when I purchased it. At any rate 4200 should work just fine.

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Gloss
Master Marine Consultant

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USA
1916 Posts

Response Posted - 04/09/2004 : 20:26:39

I have pulled parts off the boat which were sealed up with 4200 and gel coat came up with it. Good enough bond for me.

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Ben
Master Marine Consultant

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USA
1234 Posts

Response Posted - 04/09/2004 : 23:32:05

Thanks Ya'll. Looks like 4200 it is!!!

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Gloss
Master Marine Consultant

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USA
1916 Posts

Response Posted - 04/10/2004 : 11:17:47

I just found out that 4200 is being replaced by 4000. 4000 has UV inhibitors and the manufacturer claims that it won't yellow. I have had a problem with 4200 yellowing. I like to see a manufacturer who improves their product. Gee, should I buy stock in 3M?

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 04/10/2004 : 12:57:47

I prefer 101 to both 4200 and 5200 for anything that might need to be removed later on. I'll only use 5200 on 'structural' improvements that I have no intention of ripping out at some future point in time.

If you do need to remove something put down with 5200, a heat gun works wonders. At a certain temperature the 5200 reverts to goo. Of course, this approach is not practical in all situations.

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Gloss
Master Marine Consultant

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USA
1916 Posts

Response Posted - 04/10/2004 : 13:13:23

So what is 101? Is this by another manufacturer?

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 04/10/2004 : 14:52:30

Frank asked... "So what is 101? Is this by another manufacturer?"

No, It's part of the marine caulk series by 3M. The 101 is a different compounding, based on polysulfide rather than a having a polyurethane base like 4200/5200.

It is the least adhesive and most flexible of the three we have been talking about. IMHO best for most of the hardware that I wamt to 'bed in'. The presense of moisture makes 101 harden up... and it can be used for bedding Teak (which is not recommended for 4200)

For more info see Westmarine.com and search on "3M 101".

An alternative to the 3M products are the 'Boat Life" series.. their polyurethane sealant is compounded with silicone which allows it to release from gelcoat witout pulling it up. I've used their products (Polyurethane sealant, Polysulfide calk) and am pleased with the results.

IMHO they seem slightly 'thinner' than the corresponding 3M products. I think 101 remains my favorite because is is a little thicker... (IMHO seat-of-the-pants comment)

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/10/2004 : 15:03:35

3M 101 Marine Sealant

From the 3M website...

"Chemically cures to form a firm, rubbery watertight seal. Non-sagging, non-shrinking formula becomes tack free in 5 hours and remains permanently flexible. Seals between mechanically fastened joints on wood, fiberglass, metal and most plastics; above and below the waterline. Excellent resistance to chemicals, weathering, salt water, and stresses caused by joint movement."

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Gloss
Master Marine Consultant

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USA
1916 Posts

Response Posted - 04/10/2004 : 17:16:02

One of my upcoming projects is to rebed the chainplates. And then someday, if I can figure out how to get to the bolts, is to rebed the stantions.

So is 101, or 4000 (4200) the way to go? My guesse would be 4000, as I really wouldn't want flex, would I?

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ClamBeach
Master Marine Consultant

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3072 Posts

Response Posted - 04/10/2004 : 19:22:56

I think either one of those products would work just fine.

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frog0911
Master Marine Consultant

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USA
1349 Posts

Response Posted - 04/10/2004 : 23:12:03

Be careful were you use Ployurethane or Ploysulfide based calks. My new Spinlock triples and deck organizers say specifically in the instruction to not use these based calks because they will deteriorate the plastic.

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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts

Response Posted - 04/11/2004 : 11:22:19

<blockquote id="quote">quote:<hr height="1" noshade id="quote">Originally posted by frog0911
 Be careful where you use Polyurethane or Polysulfide based caulks. My new Spinlock triples and deck organizers say specifically in the instructions to not use these based caulks because they will deteriorate the plastic.<hr height="1" noshade id="quote"></blockquote id="quote">

That's what makes hybrid caulks, like LifeSeal, a silicone/polyurethane caulk, popular.

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Raskal
Navigator

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USA
162 Posts

Response Posted - 04/12/2004 : 17:03:42

I'm glad Don mentioned that because it's been my experience that marine silicone is hands-down better for any above-waterline job than 4200 or 5200. The original silicone the factory used in my C25 is still sound, flexible, and gripping tight to this day; the old 5200 is turning to chalk. I had to remove some new 5200 I had put on for a locker latch job and found that it held the pieces no better than silicone but couldn't be removed with Goo-Gone the way silicone can.

Rich Kokoska

Edited by - Raskal on 04/13/2004 19:23:53

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