Of course! But hopefully not ten. More like 7 total including bottom paint. Or at least that is the hope.
From: Bill Coleman via CnC-List <cnc-list@cnc-list.com> Sent: Thursday, March 18, 2021 4:17 PM To: 'Stus-List' <cnc-list@cnc-list.com> Cc: Bill Coleman <colt...@gmail.com> Subject: Stus-List Re: Barrier Coat. Well, now that you have blasted all that off, are you going to apply another 10 layers?? Bill Coleman Entrada, Erie, PA From: Matthew via CnC-List [mailto:cnc-list@cnc-list.com] Sent: Wednesday, March 17, 2021 10:31 AM To: 'Stus-List' Cc: Matthew Subject: Stus-List Re: Barrier Coat. Ditto on what Chuck said, except: on my 42 Custom we applied about 10 coats (overkill – yes, I know), each coat was a different color to assist with recognizing the different layers when sanding, and a 42-foot boat uses about a gallon per coat. From: CHARLES SCHEAFFER via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Sent: Wednesday, March 17, 2021 10:24 AM To: Stus-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Cc: John McCrea <johnmcc...@comcast.net <mailto:johnmcc...@comcast.net> >; CHARLES SCHEAFFER <cscheaf...@comcast.net <mailto:cscheaf...@comcast.net> > Subject: Stus-List Re: Barrier Coat. I did my project in 2007 so my memory may be blurred. I found the Interprotect 2000 coverage to be the same as bottom paint. If you know how much bottom paint is needed to coat your boat, that's how much paint is needed for each coat of Interprotect. They reccommend 4 to 5 coats. I did 6 cause I did it in late fall and didn't want to bottom paint till Spring, so the last coat got sanded w 80 grit before bottom painting. My 34R used about 3/4 of a gallon for each coat and the barrier coat is proud of the gel coat at the waterline and easier to bottom paint. I alternated grey and white to apply five full coats and did a sixth coat in grey and had some left over that I've used over the years for touchups to the keel, etc. Don't rush it. Follow the directions and allow the 20min induction time after stirring. I think I bought 2 gallons of Grey and two gallons of white, and bought another of grey at the end to paint the sacrificial coat and I'm still using that up. You need to stir this stuff with a paddle and a corded drill cause it's thick in the can. I made the mistake of mixing the first gallon in the can and wasted about a quart figuring how much is needed for a coat. After that, I poured paint into a clean bucket or painting pail and added the proper ratio hardener. You can make small batches using measuring cups. I think it's 3:1 ratio. The stuff costs around $100 which is half of what bottom paint costs so don't skimp. It stinks when it starts to kick and is one of only two paints I can't stay around. I painted my bottom at the end of a work day and left for home so I didn't have to smell it. Chuck Scheaffer, Resolute 1989 C&C 34R . On 03/17/2021 9:28 AM John McCrea via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote: All, Has anyone applied a barrier coat lately and can provide some advice on the number of coats to achieve the required thickness? I will be applying with a roller and trying to estimate the number of gallons to pick up at the Defender sale. Talisman will be getting sandblasted next week and want to fair and then barrier coat. Thanks! John McCrea Talisman 1979 36-1 Mystic, CT Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
Thanks to all of the subscribers that contributed to the list to help with the costs involved. If you want to show your support to the list - use PayPal to send contribution -- https://www.paypal.me/stumurray Thanks - Stu
