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Go Back   SailNet Community > General Interest Forums > Gear & Maintenance
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  #71  
Old 07-02-2008
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Quote:
Originally Posted by sailingdog View Post
You're probably about 275 sq. ft of surface area or so... as a really rough guess. As for how many gallons it takes to barrier coat that, why don't you call up MAS Epoxies and ask them. I'm sure they're worked with people doing this previously.
Thanks, Dog, I have a call in to Tony, hit the voicemail, but will probably hear back from him shortly. I figured that there is probably some formula or rule of thumb for estimating the area. One post said a fellow had done his 40' boat with six gallons but his boat is much larger than mine.

I am kind of thinking that two gallons of resin and a gallon of hardener will get the job done. I may get three gallons or resin, a gallon of hardener and a spare 1/2 gallon of hardener, just in case, and if it is not needed I can take it back to Jamestown Dist. I understand that this material is pretty thin so a little bit will go a long way.

Any idea on how many rollers this job might take? I am planning to do the whole job in a 24 hour period. Also, someone mentioned using black electric tape instead of masking tape to edge the boot stripe, what do you think of that idea?

Thanks,
Bob
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Old 07-03-2008
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Use the good 3m Blue masking tape. Get lots of roller covers, trays and mixing containers. What I've found works fairly well for mixing is GladWare containers... and you can usually recycle them by popping out the hardened epoxy after it cures completely.

The reason you need lots of roller covers, trays and mixing containers is that you need a fresh set for each batch of epoxy you mix up. If you re-use a container that has older epoxy it, it will cause the new batch to kick prematurely IIRC. If you buy the roller covers from Home Depot, rather than a marine supply store, they'll be cheaper and you can return the unopened packages of them that you didn't need to use.
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Old 07-03-2008
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I mixed about 16 oz. of epoxy up at a time and used a 6 inch foam roller to apply. I suggest the moment you finish applying that coat or part there of, epoxy, you pull the foam roller off the handle and wipe the handle down, or you'll never get the roller off or another one on. I used 3 bags of 6 rollers each to do my bottom.
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Old 07-03-2008
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Quote:
Originally Posted by AA3NK View Post
Thanks, Dog, I have a call in to Tony, hit the voicemail, but will probably hear back from him shortly. I figured that there is probably some formula or rule of thumb for estimating the area. One post said a fellow had done his 40' boat with six gallons but his boat is much larger than mine.

I am kind of thinking that two gallons of resin and a gallon of hardener will get the job done. I may get three gallons or resin, a gallon of hardener and a spare 1/2 gallon of hardener, just in case, and if it is not needed I can take it back to Jamestown Dist. I understand that this material is pretty thin so a little bit will go a long way.

Any idea on how many rollers this job might take? I am planning to do the whole job in a 24 hour period. Also, someone mentioned using black electric tape instead of masking tape to edge the boot stripe, what do you think of that idea?

Thanks,
Bob
I'm probably the guy who suggested using black electrical tape, which is what MAS recommended to me.. the epoxy will stick to masking tape and may glue that tape to the hull, making for another clean-up job. epoxy will not stick to the electrical tape. but if you are calling MAS anyway ask them again.
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Don't let the blue masking tape stay on for long or it will be an absolute PAIN to remove.

I left it on for a week once and that was a disaster. It removed some of my waterline as well...
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  #76  
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The trick is to remove the blue tape within a few hours of finishing up the barrier coating. The blue stuff has worked well for me on three different boats that were barrier coated, one with IP2000E, one with Epoxy and one with something else.
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—Cpt. Mal Reynolds, Serenity (edited)

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  #77  
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Spot on SD.

I applied 14 coats of epoxy.. so it took a while... (in the winter you have to wait for the right temp..)

After learning that lesson.. I peeled the tape and and reapplied after after every 2 coats (which is about 12 hours).
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  #78  
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BTW, it depends on which blue tape you use.... they make them in various grades. The one we used for my boat was the long term one and can be left on almost two months without much problem.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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  #79  
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Oh.

Mine was just blue... you always get the good stuff...


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Just FYI-

Scotch-Blue™ Painter's Tape for Delicate Surfaces #2080 1 in x 60 yds (36 rls/cs)

This tape removes cleanly without adhesive transfer or surface damage for up to 60 days, even in direct sunlight. It is a low-medium adhesion tape that is ideal for smooth, freshly painted surfaces, faux painting, wood floors and glass.
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You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

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