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Old 12-05-2005, 08:25 PM
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Default starboard adhesive

I've decided to use this instead of port adhesive!!

I have a little project in mind that would involve fixing some King starboard into a polypropylene case. Mechanical fastners are not really feasible. Has anyone had any success gluing starboard? I have read the procedure on their website and I am not convinced. Alternatively, has anyone used MDF in a marine environment?

thanks in advance,
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Old 12-05-2005, 08:29 PM
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Default Re: starboard adhesive

star bond is the only thing i am aware of that will bond starboard....
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Old 12-05-2005, 08:32 PM
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Default Re: starboard adhesive

Starboard can be welded together. There is a fabricator that can do it here on Long Island, so I'm sure there are other places that can do it.
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Old 12-06-2005, 03:59 AM
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Default Re: starboard adhesive

I read an article about it somewhere that said 5200 works with some success
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Old 12-06-2005, 05:16 AM
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Default Re: starboard adhesive

I have never tried it on Starboard or Seaboard, but I have actually used a soldering iron on small plastic parts to tack them together.............might be worth a try???
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Old 12-06-2005, 07:09 AM
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Default Re: starboard adhesive

Let me piggy back on this thread. How can you caulk around a starboard product (311 won't adhere to it either).
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Old 12-06-2005, 07:36 AM
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Default Re: starboard adhesive

3M 5200 will not work with any reliability- don't ask me how I know
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Old 12-06-2005, 07:40 AM
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Default Re: starboard adhesive

"with some success" was how it was worded in the article I read...I have never tried it
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Old 12-06-2005, 07:51 AM
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Default Re: starboard adhesive

Quote:
jawz - 12/5/2005 8:29 PM

star bond is the only thing i am aware of that will bond starboard....
use this as a caulk too....it's a little pricy....
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Old 12-06-2005, 08:38 AM
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Default Re: starboard adhesive

How about 4200 or 5200 to glue a transducer board to a fiberglass transom? I'm thinking of trying this with a 4" by 6" piece, and I don't want any holes in the transom.
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Old 12-06-2005, 08:43 AM
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Default Re: starboard adhesive

Pax, you can try it, but I wouldn't expect it to work...lotta stress at speed on those transducers...glue bottles and nozzles that come on caulkin' tubes are made of virtually the same plastic...why?...because NOTHING STICKS to it...
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Old 12-06-2005, 08:47 AM
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Default Re: starboard adhesive

Quote:
paxfish - 12/6/2005 9:38 AM

How about 4200 or 5200 to glue a transducer board to a fiberglass transom? I'm thinking of trying this with a 4" by 6" piece, and I don't want any holes in the transom.
Best way I've seen to do what you want is to attach a thin piece of mahogany (maybe 3/8-1/2" to the Starboard with FH ss screws, 5200 the mahogany to the hull, caulk. Then mount transducers etc to Starboard. To my knowledge it's been holding about 6 or 7 years on a buds boat.
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Old 12-07-2005, 11:45 AM
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Default Re: starboard adhesive

as i understand it starboard is self lubricating, meanig some of the compound its made with leeches out of it continuosly. i haven't found anything that adheres to it. and believe me i have tried just about everything imaginable. mechanical connections are the only thing that works for me.
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Old 12-07-2005, 05:54 PM
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Default RE: starboard adhesive

I've used starboard for many projects- including a new raised deck area. I asked the plastics dealer where I bought it about adhesives; he said they make it, it's expensive (two-part and an expensive gun to mix/apply it) and he's tried it and it did not work to his satisfaction. ONLY mechanical fastening will work, and edges cannot be caulked/sealed (silicone will work half-azz); that's the big drawback to poly boards IMO.
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Old 12-07-2005, 08:06 PM
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Default Re: starboard adhesive

For what it's worth, I used a high grade silicone along with stainless screw fasteners to fabricate a starboard seat that houses my fuel tank in front of my CC last spring. Obviously the mechanical fasteners are what is holding the seat together overall, but the silicone has not broken down after a season of being in the water 24/7. I agree that there is no reliable adhesive that will bond starboard - you have to screw it~

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Old 12-07-2005, 08:09 PM
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Default Re: starboard adhesive

I've just started looking into starboard or seaboard for some winter projects.
Found this technical data file on adhesives that may/may not help you.

http://www.modernplastics.com/pdf/Se...esive-Test.pdf

Also, of course I can't find it now, I read an article stating that you need to
heat both surfaces to be bonded with a propane torch prior to gluing up. Not
charring just heating. If I find it, I'll post it.
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Old 12-08-2005, 09:03 PM
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Default Re: starboard adhesive

Found the article on adhesive...

"Marine Lumber can not be glued using standard adhesives. Products like 3M's 5200 work well as a water sealing caulk but will not adhere Marine Lumber to itself or other materials in a permanent bond.

It is preferable to mechanically fasten Marine Lumber but when an adhesive is necessary you can use a product called #7540-AB. We do not represent this product, make any claims about its abilities or except liability for it. We have however used it with success and had good response from others who have used it.

This is sold by Adhesive Methods and Technologies, Memphis TN Phone 901-367-1335 Fax 901 367-1308. Ask for Larry Doring.

How Should Marine Lumber® Surfaces be Prepared?

The surfaces to be bonded should be lightly abraded with a medium grit sandpaper before cleaning the surfaces with acetone, Toluene, or alcohol.

Marine Lumber should then be flame-treated on the entire surface to be bonded with a propane torch. Pass the flame over the surface at a distance of approximately 1" to 2" so that the blue (oxidizing) portion of the flame is touching the surface of the Marine Lumber at a rate of approximately 12" per 3 seconds.

There should be no scorching or visible difference in the surface appearance when properly treated. Ideally, the surface prep should be performed within one hour of the bonding process. Make sure to flame treat in a safe well ventilated area.

How Should Other Marine Surfaces be Prepared?

When bonding plywood, insure that the surface is dry and clean. No other surface prep is necessary.

When bonding aluminum, steel, and FRP, lightly abrade the surface with a medium grit sandpaper. Clean the surface with acetone, mineral spirits or alcohol. For the best results with aluminum, surface oxidation should be removed and an appropriate aluminum primer should be used to prevent further surface oxidation.

How is the adhesive applied?

#7540-AB is a complete adhesive system that includes a two part adhesive cartridge, a static mixer attachment for equal blending of the adhesive and a dispensing gun. Adhesive is dispensed by installing the static mixer on to the adhesive cartridge, cutting the tip of the mixer for desired bead size and pumping until the mixing chamber is full.

IMPORTANT!

Discard the initial amount of adhesive that is not fully mixed to a consistent ivory color. Apply adhesive equally to each surface to be bonded with an even coat of approximately 8-12 mils. The adhesive should then be spread over the surface with a putty knife or metal spatula. Join the two surfaces, securing with a spring clamp or similar "C" clamp for proper pressure (2-4 PSI) for a tight bond. Excessive pressure will squeeze adhesive out of the bonding area. Optimum adhesive thickness is 15-20 mils when cured.

Specifications:
Working Time : Approximately ten minutes in average temp. of 65°-100° F.

Clamp Time : Approximately six hours with a cure time of 24 hours.

Coverage : Approximate coverage is one sq. ft. with a 20 mil thickness per 50 ML cartridge.

Cured Bond Line : Application of adhesive at 8-12 mils per side, curing to a 15-20"

Hope this helps.
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Old 12-09-2005, 04:09 PM
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Default Re: starboard adhesive

I own a Triumph boat which is made of ropelene. The only caulk/sealant that bonds properly is called Rule Elastomeric which is made by Sudbury. I'm not sure exactly how it will bond with starboard, but it may be worth a try.
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Old 04-24-2006, 08:18 PM
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Default Re: starboard adhesive

Bob T - thanks for the contact info on the adhesive. I actually ordered some Lord 7150AB urethane adhesive for some starboard to fiberglass I was glueing up and it worked extremely well. Larry was particularly helpful. The "kit" comes with a plastic plunger that pushes the A and the B material at a 2 to 1 ratio. Fits in a standard caulking gun. I mounted a piece of starboard that my AP pilot pump now sits on as well as glued up a piece in a vertical position for my compass.
FYI - They no longer recommend the 7540 material for some reason so if anyone has a starboard project they're working on give Larry a call. Not the cheapest adhesive but it definitely works. Just make sure to clean up with a solvent whatever it is you're trying to secure before using the adhesive....
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Old 04-24-2006, 08:30 PM
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Default Re: starboard adhesive

I read a recommendation for fastening a transducer plate that suggested routing a couple of dovetail shaped grooves in the Starboard, filling the grooves with 5200, and then mounting to transom with 5200. The grooves are wider at the bottom than at the top, allowing the 5200 to "lock" into the starboard.

On the other hand, my buddy glued a starboard block to his transom with 5200, after cleaning the starboard with acetone, and the block has been in place for years.
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