What glue for peeling keel protector?

[friderday]

My suggestion would be to identify if you have a "Keelshield" or a "Keel Guard". If you go to each of their websites, you will find an identifying picture of their product. Keelguard.com shows their product with longitudinal lines more concentrated toward the center of the guard(3 lines) with no lines toward the outer edges (about an inch or so). Conversely, at gator-guards.com for the Keel guard, you will notice their product has numerous and continuous longitudinal lines (about 6 on each side of center) the entire width of the guard. These 2 choices are very different in appearance and should be easy to identify if indeed yours is one of them. If you are lucky enough to identify, then I would go to my first suggestion and contact them about the adhesive failure and request a replacement as each of their websites say lifetime warranty. If you cannot positively id your particular keel protector as one of these, then I would pull it off, prep the keel, removing any lingering adhesive, and replace with one of the above mentioned products. I think trying to work against gravity and somehow support the existing guard to wait for cure time on any adhesive will be futile and messy. Just my nickel's worth(2 cents are for boys-girls are way more expensive...but not always worth it!) Good luck.

 

[JASinIL2006]

^^^^ This!

 

[BoatFisho]

yep going to see if i can identify it. also i think for beaching clearly the front 3/4 is the most important to guard. ours got chewed up there.

not sure if anyone is familiar with bostik glue but is there one someone could recommend for the job? we dont have the same products in aus.

 

[jigngrub]

An internet search for Bostik adhesive Aus. turned up this stuff:

http://www.bostik.com.au/constructi...1_spray_grade_contact_adhesive_-m-98-g-0.html

The product description sounds like the Dap Weldwood contact cement we use here in the US. You can also ask at your local hardware store for formica kitchen counter top laminating adhesive.

 

[BoatFisho]

Bostik also sell Super Contact Bond, its used for joining many materials but makes an excellent boot to tread joiner. Some people I have heard use it for spot fixes on inflatables, not sure about pvc. Its readily available and cost $6. Not sure why it doesnt show up on the oz bostik site.

http://www.bostik.co.nz/productDetai...p=872&c=85&t=c

so you guys using 4' of this cheap keel guard for $100 are just protecting the nose. I think thats why mine cost so much, runs the whole 12' of keel. but its a bugger to maintain on keel rollers.

 

[JASinIL2006]

I think my 8' Keelshield from GatorGard was about $200 U.S.

 

[ondarvr]

Bostik . but its a bugger to maintain on keel rollers.

The directions I've read say not to use it where keel rollers will ride on it.

 

[JASinIL2006]

From the Keelshield website:

If my trailer has a bunk or roller that KeelShield will rest on, will it work ?
It will work as long as the KeelShield (after it is installed) Does Not rest on the bunks or any weight bearing rollers. The KeelShield Can Not come in contact or rest on bunks or weight bearing rollers even when unloading the boat from the trailer. If the roller or bunk is further down and your KeelShield doesn?t rest on it when you are trailered, you still need to be sure that when you launch that you try to float the boat off of your trailer so your KeelShield does not get caught on it.

 

[BoatFisho]

yep. which kind of makes it a tough choice as keel rollers are very handy and my trailer is designed around them. ive been thinking about putting more weight on the wobbles on the side though. but i think if i shortened the keel guard to say the first 4-6ft where it will beach, the rear keel rollers should be touching it. could be a plan.

 

[BoatFisho]

How would I remove the remainder of the keel protector? Will a hair dryer and paint scraper do it?

 

[BoatFisho]

Im thinking of using 3m 5200FC ( i think that means fast cure?). i plan to sand both the hull and keel guard. i will then put the glue on, then rest the keel on a plank of wood on the rollers and also duct tape the sides the entire length. thats about the best i can think of to reglue?

 

[jigngrub]

Im thinking of using 3m 5200FC ( i think that means fast cure?). i plan to sand both the hull and keel guard. i will then put the glue on, then rest the keel on a plank of wood on the rollers and also duct tape the sides the entire length. thats about the best i can think of to reglue?

Back to your original plan?

Try it and if it doesn't work you can try some of the advice you were given in this thread that you chose to ignore.

 

[BoatFisho]

I havnt ignored anything, thats what I have read people have used. Thanks for your input

 

[BoatFisho]

i decided to go with a contact cement, i didnt realise how little it had lifted either. i now have it barely touching the centre rollers.

so, in prep is it just like doing a hypalon glue job, sand back and solvent off the area before applying cement?

 

[Woodonglass]

i decided to go with a contact cement, i didnt realise how little it had lifted either. i now have it barely touching the centre rollers.

so, in prep is it just like doing a hypalon glue job, sand back and solvent off the area before applying cement?

Yup, I'd recommend Acetone to prep the area after sanding. Make sure to coat Both the hull and the KG with the Contact Cement and then let it dry to the point where it almost feels dry to the touch, Maybe just a little tacky. When you put the KG down make sure it's where you want it cuz once the two surfaces meet...You will NOT be able to make any adjustments. As previously stated using a roller after the initial put down would be a very good idea. A J-Roller would be ideal for this. $12 bucks @ Lowes

 

[BoatFisho]

tha roller is brilliant advice. is contact cement safe on fiberglass/gel coat, it wont corrode it etc?

here in australia we have this range of contact cements, they are relatively affordable and easily obtainable, this is the waterbased one. I think the main ingredient is polychlopropene.....

http://www.selleys.com.au/adhesives/...grip-advanced/

 

[Woodonglass]

I'd recommend the Solvent Based Selleys contact cement. It will not affect the Fiberglass at all, it's rated for exterior use and is more waterproof.

 

[BoatFisho]

I was just worried maybe the chemicals might chew away at the gel coat or glass, not knowing anything about glues

 

[Woodonglass]

No worries Mate, It'll be fine!!!!

 

[BoatFisho]

Thank you for the help