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Author Topic:   Gelcoat
noswah posted 12-13-2001 12:48 PM ET (US)   Profile for noswah   Send Email to noswah  
Let me begin by saying these are my opinions and some may or maynot agree. First I read somewhere about using Seran Wrap to cover the new gelcoat. After buying 2 rolls and trying it I decided it was a waste of my time. I could discover another planet faster than I could get all of the air bubbles out. Perhaps if your doing a small job (like the size of a credit card) than it may work for you other wise save your money.

Next I bought a bottle of PVA (Poly Vinyl Alcohol) for $7.00 at West Marine or BostUs the prices are within a few cents of each other. I quickly found out this stuff doesn't go far and ran out before I used all of the Desert Tan Gelcoat that I had put harder in. So I decided to research this PVA since I felt it was expensive. To my surprise I was able to buy a whole gallon of the stuff for only $11.00 from Johnson Fiberglass& Resin, 1502 Austin, South Houston, Texas 77587. Tel.(713-946-8426).

Now for those of you who don't want to mask off and cover a lot of your boat to keep the Green PVA off of everything it also comes in clear which means over spray won't show to bad. PVA would be my choice for small jobs, say 20% or less of your Montauk.

You can also buy a Styrene Wax solution to put directly into the Gelcoat after the harder as been added. It is the best of all solutions. A 2oz. bottle cost me $2.50 and will do 2 gallons of gelcoat. Now your gelcoat can begin to cure as you brush, roll, or spray it on. There is no color so you won't see any difference. If you decide to do a second coat of gelcoat you will have to sand it first as it would have the wax coating on top of your gelcoat.

Now, I hope this helps, so go make those Whalers shiny.

lhg posted 12-13-2001 12:54 PM ET (US)     Profile for lhg    
In the "good ole days", when you bought Whaler's own gelcoat, from a dealer, in a pint can, it always came with the wax in it. It had a shelf life of about 6 months, and was supposed to be kept in a refrigerator. I guess the old boys knew what they were doing!

This kit also came with BW's "official" instructions for hull repairs.

NEVER SCARED posted 12-13-2001 01:31 PM ET (US)     Profile for NEVER SCARED    
Id use wax paper when possible. Gel coat turns super hard in about 2 hours. Also there is no worry about invisible wax residue remaining for future repair. Only problem with wp is those air bubbles. Its a do-over if theres any! I also wish Spectrum warned you about air on gelcoat. I went through 5 $17.00 jars! Couldnt figure out why it was tacky. I think Boston whaler sprays gc into the molds first instead of spraying it on the glass is so theres no air.

Never scared

kingfish posted 12-13-2001 02:34 PM ET (US)     Profile for kingfish  Send Email to kingfish     
Good stuff, noswah - thanks for posting.

kingfish

gunnelgrabber posted 12-13-2001 03:10 PM ET (US)     Profile for gunnelgrabber  Send Email to gunnelgrabber     
noswah,..thank you!...lm
Highwater posted 12-13-2001 08:30 PM ET (US)     Profile for Highwater    
noswah—you have given me the courage to try to apply gel coat myself. The previous owner of my 1972 13-Sourpuss painted half of one side of the hull, and the color does not match perfectly. So I was thinking about sanding off the old paint and then re-painting—or gel coating—the entire side. I own an airless spray gun which I have learned to use fairly well, but I do not have any experience spraying with a compressor. I presume the the finished product would look much better if the gel coat were sprayed on with an air compressor, versus being rolled or brushed. And I imagine it is too thick to use with my airless spray gun. Right?

Are the BW "official" instructions incorporated in the continuouswave web site somewhere?

Many thanks to everyone who has shared his/her knowledge about repairs and maintenance in this forum.

DJS posted 12-14-2001 08:20 AM ET (US)     Profile for DJS  Send Email to DJS     
Noswah, I really appreciate your prompt response. I had not heard of the Styrene Wax solution. Keep up the good work.
David

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