If the exsisting barrier coat is sound why remove it? Why replace it/add to it? You may have problems getting new barrier coat to stick to old if you don't remove it.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Oct 24, 2014 9:35 AM, "David Knecht via CnC-List" <[email protected]> wrote: > I am planning on barrier coating the bottom in the spring with Pettit > Protect after soda/walnut blasting this fall. One question I came up > against was the soda blaster asking if I wanted the previous barrier coat > removed. I have no idea what is on there given that it was done by a PO. > But I can't see any obvious reason to remove the prior stuff if it is in > good shape and the Pettit person I talked to agreed. Thoughts from the > group? Dave > > On Oct 24, 2014, at 4:19 AM, Chuck S via CnC-List <[email protected]> > wrote: > > Dear Dave J, > I would agree w the yard and apply 7 coats. It's more than what Interlux > recommends but the cost of paint is minimal compared to the cost of > sodablasting and fairing the surface. I also think alternating the colors > is the easiest way to prove how many coats went on the hull especially if > you want proof of warranty. It is neat to see how it changes the look of > your boat, too. > > If you are rolling it yourself, you'll find the extra coats are easy to > apply since you'll have your setup and mixing technique honed to a > professional execution. The result is very hard and the peace of mind > after executing a job well is priceless. > > Temperature is critical to the minimum wait time and the maximum > procrastination time between coats. The can has a tabIe of rules that > allow many different scenarios. I rolled 6 coats white and grey, Fall of > '07. Some days I got two coats on but I couldn't stand the smell when it > cures, so would roll a coat on and leave the boat, come back the next day > or sometimes next week depending on weather. You have to monitor the > temperature of the hull surface (not airtemp) and the cooler it is, the > longer you have to wait between coats. When it's 50, the minimum wait > before overcoating is 5 hrs, so one coat may be all you can finish in a > day. You can wait up to two weeks between coats, and 50 degree weather and > rain and work delayed my project which completed within the rules, but took > me two months of weekends. > > Chuck > Resolute > 1990 C&C 34R > Broad Creek, Magothy River, Md > > ------------------------------ > *From: *"CNC boat owners, cnc-list" <[email protected]> > *To: *"CNC boat owners, cnc-list" <[email protected]>, "David Jacobs" > <[email protected]> > *Sent: *Thursday, October 23, 2014 10:19:50 PM > *Subject: *Re: Stus-List Barrier Coating > > To tack on to Jake's comments. The can will give coverage guidance so you > can use that as a guide for thickness too. > On Oct 23, 2014 9:48 PM, "David Jacobs via CnC-List" < > [email protected]> wrote: > > I'm having my boats bottom soda blasted and then I'm going to be applying > a barrier coating. The yard recommended 7 coats of Interlux Interprotect > 2000E barrier coat which frankly seems a bit much. According to them, > Interlux (who recommends 4-5 coats 10 mil minimum) won't honor their > warrantee if you use less. Never short for opinions I'm hoping you folks > can provide me some recommendations for barrier coatings. > > > Thanks, > > Dave J > > > Saltaire, C&C35 MKIII > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > Aries > 1990 C&C 34+ > New London, CT > > > > _______________________________________________ > This List is provided by the C&C Photo Album > > Email address: > [email protected] > To change your list preferences, including unsubscribing -- go bottom of > page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
_______________________________________________ This List is provided by the C&C Photo Album Email address: [email protected] To change your list preferences, including unsubscribing -- go bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
