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Author Topic:   Interthane versus Awlgrip
JimU posted 04-04-2002 01:38 PM ET (US)   Profile for JimU   Send Email to JimU  
I'm in the middle(almost) of another restoration project, a 1970 16-7. On my last one I used Interlux 2-part Interthane plus. That project is two years old. I have no complaints about the interthane. It goes on pretty easily and stands up well. However I have seen that some prefer to use Awlgrip. Can anyone here in whaler-landgivr me a comparison of the two? Thanbs for any Advice. I'm almost ready to paint. Thanks JIM
Duncan posted 04-12-2002 04:17 PM ET (US)     Profile for Duncan  Send Email to Duncan     
Jim, I can't. But I will say that I started to look into Awlgrip and I was told that the warning not to spray without a professional booth and OSHA ventilation should be heeded.

I was told that inhaleing the fumes and overspray WILL kill you. They do say that the do-it-yourselfer can brush or roll it on but I'm not sure I would try.

Also wanted to bring this to the top as I need this info, too!

joem posted 04-12-2002 08:08 PM ET (US)     Profile for joem  Send Email to joem     
I would make a suggestion look up mothane paints under BLP paints. It is made for fiberglass the cut sheets and information show it is better than interlux and it is 1/2 the price. my 2 cents


cinco de whaler posted 04-13-2002 04:15 PM ET (US)     Profile for cinco de whaler  Send Email to cinco de whaler     
My 22'Outrage is being re-stored and the hull is being painted with a two part mothane. The guy painting it paints Navy subs and is extremely knowledgable about surface coatings. He explained all the advantages of mothane paint vs. gel coat or awlgrip and I was sold. He is almost finished and it looks great. It has an excellent shine and will not stain like gel coat. He also sanded the floor smooth and added silica sand to the interior, which I was also impressed with.
Wreckdiver posted 04-14-2002 11:14 AM ET (US)     Profile for Wreckdiver  Send Email to Wreckdiver     
I used the Interlux brand to paint the hull of an old fiberglass sailboat I owned about 20 years ago. I rolled three coats of paint on with a foam roller, tipping it out with a Badger hairbrush. The job wasn’t quit as good as spaying, but the stuff is lethal to spray without special equipment, and the small brush marks did not show with the boat in the water. It was fun to watch gel coat fade on new boats in the marina over the next few years, while the painted hull retained a like new shine. After about five years the boat was showing wear due to dock rubbing etc. The hull was wet sanded. Another coat rolled on, which restored the shine. Spaying an old Whaler has to make it better than new.
Chesapeake posted 04-15-2002 03:03 PM ET (US)     Profile for Chesapeake  Send Email to Chesapeake     

I can confirm that Awl-grip is pretty toxic. Read the Material Safety Data Sheet that comes with it and you'll see that the major ingredients reads like the "Who's Who in Carcinogenicity."

Additionally, it takes some trial and error to get the technique down. The primer shoots on well and sands off like powder. You think "Yeah, this is a piece of cake." The top coat, however, is much more difficult to shoot. It runs easily, is very tempature sensitive, and smells terrible. This is something that you really ought to have a full prtoective suit and oxygen fed headgear before you spray.

Don't spray it in the garage. If you do, leaving your dog in the garage that night is probably a bad idea.

Last, if you make it through everything, you will absolutely love the finish of Awl-grip. Even on a piece of plywood, it looks like hard, shiny gelcoat.

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