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 <cnc-list@cnc-list.com> 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" <cnc-list@cnc-list.com> > To: "CNC boat owners, cnc-list" <cnc-list@cnc-list.com>, "David Jacobs" > <davidjaco...@comcast.net> > 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" <cnc-list@cnc-list.com> > 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: > CnC-List@cnc-list.com > 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: > CnC-List@cnc-list.com > 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: > CnC-List@cnc-list.com > 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
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