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Author Topic:   Just Finished 13 Re-Finish
Boston Marine posted 06-22-2002 08:59 AM ET (US)   Profile for Boston Marine  
Just wanted to see if anyone has tried this.
Old Whaler 13,oxidized bad,audible pits in gel when passing hand on surface.No shine on upper surfaces whatsoever. I removed every stitch of hardware from this boat then placed in my homemade jig for rolling boat over.
Step 1:DA (Dual ACtion) sander with 600 3-M No Load paper to whole boat (Hull bottom included)to bring the peaks off of gel down level with pits.(Hookit Discs+ DA)
Step 2:Use 800 paper, same idea. (Hookit)
Step 3: Use 1200 paper Same idea. (Hookit)
Step 4:Use 1500 Paper (DA+Wet) (Hookit)+Spray bottle loaded heavy with Ivory soap.
Step 5: Use 2000 paper (wet& by hand using medium hard rubber foam block backer)Sand one direction only..
Step 6: 3-M T-Cut Compound using air buffer.($ 37.00 Quart)
Step 7: 3-M Swirl Remover using air buffer.($28.00 Quart)
Step 8 3-M Finesse II using air buffer.(27.50 Quart)
Step 9: Power buff three coats Mothers Pure carnuba into gel coat.

Result?= The boat turned out to be as smooth and level as a plass plate! Literally.This boat is better than new as far as shine, level of gel etc.No ripples in gel.Towels just slide off when placed on slanted parts of hull.Reflections are true and straight to form.I could shave using as a mirror.
I dont mean to boast but this was the first time I have tried this.I tried to use the same steps as any good body shop would use to finish off a laquer paint job. I refused to use any "Marine Products". I was told that doung so would result in tearing microscopic pieces of gel and they were right.The marine compounds are too soft and do not cut well.

Time Spent= 80 hours approx including install all hardware.
I just wanted to see if anyone else has tried this vs just re-paint of just buff.

lhg posted 06-22-2002 03:06 PM ET (US)     Profile for lhg    
Sounds beuatiful, and I agree that is the way to restore a badly oxidized hull. I have used the same technique for years when doing gelcoat repairs and polishing up the hull. I have never found that the standard Marine recommendation of sanding with #600 and switching to rubbing coumpound works very well. Just can't get the original gloss back. The key is sanding up through the grades to #2000, then using the compounds.

BW also recommends the Finesse-it II as the last step before waxing. I am not sure, however, that the Mothers auto wax is as durable as the Collonite Pure Boat wax #925. I've tried both and prefer the Collonite. BW recommends Mequiar's #26 Yellow Carnuba Wax, but I have never used it. Boat stores don't have this, but Pep Boys does, at about $13 a bottle.

Thanks for the very informative post on restoring a hull. Is the blue inside next?

Boston Marine posted 06-22-2002 09:59 PM ET (US)     Profile for Boston Marine    
I did the inside also and the hull is 1975
Thanks. Greg

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