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Old 11-08-2018, 02:51 PM   #1
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Soda blasting - How much?

Hi All:
I am trying to evaluate an estimate on soda blasting the bottom of my Manatee (36 feet)
I would live replies based on other's experiences including:
  1. How much
  2. When (year)
  3. boat length
  4. area of country
  5. Cost of extras (prep, moving boat, etc )

I will also compile and publish the results in this thread as a way of paying it forward for others with the same questions.

Thanks!
Paul
"Oma" KK Manatee
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Old 11-08-2018, 04:31 PM   #2
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About 5 years ago we had a previous boat soda blasted. It cost $35 per foot here in mid Michigan. There were no other costs at all. They did a great job.
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Old 11-08-2018, 05:10 PM   #3
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We had our DeFever 45 sodablasted this past spring at Skipper Bud’s in Winthrop Harbor, IL. The boat measures 40 feet by 14 feet. I don’t know what the “painted” area works out to, but they used two gallons of barrier coat and three gal.s of Pettit paint to finish. The soda blasting took three days and cost $2250. It is far superior to sand blasting or grinding. It is gentler on the gelcoat and provides a great surface for the barrier coat. You must put on a barrier coat.
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Old 11-08-2018, 05:56 PM   #4
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Does it work for aluminium hulls?
We're thinking of going bare alum above the waterline but the thought of grinding/sanding off all the paint over the years is daunting, especially around all the small fiddly bits.
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Old 11-09-2018, 12:19 PM   #5
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Thanks Gary:

was the cost just for the blasting? or did it include the painting as well?


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Originally Posted by GGroves View Post
We had our DeFever 45 sodablasted this past spring at Skipper Bud’s in Winthrop Harbor, IL. The boat measures 40 feet by 14 feet. I don’t know what the “painted” area works out to, but they used two gallons of barrier coat and three gal.s of Pettit paint to finish. The soda blasting took three days and cost $2250. It is far superior to sand blasting or grinding. It is gentler on the gelcoat and provides a great surface for the barrier coat. You must put on a barrier coat.
Gary
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Old 11-09-2018, 01:35 PM   #6
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Thanks - just the info I am looking for

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About 5 years ago we had a previous boat soda blasted. It cost $35 per foot here in mid Michigan. There were no other costs at all. They did a great job.
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Old 11-09-2018, 01:47 PM   #7
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I just asked the yard and the current price is $40 per foot here.
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Old 11-09-2018, 02:04 PM   #8
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April of 2014, $1,600 for my 36' x 13' Prairie. East Coast Soda Blasting, I think they cover much of the Northeast. That was the total, no other costs.
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Old 11-09-2018, 02:05 PM   #9
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Unfortunately, that was the cost only for the soda blasting. The painting (barrier coat, paint, prep, labor, etc) was $3750. Not cheap, but in the Fresh water of the Great Lakes we shouldn’t have to repaint for a couple of years. We went with Petites Hydrolux waterbased paint with the biolux anti-slime treatment. When we pulled the boat last month for winter storage, it was really clean, just a little slime. By the way, the yard where we keep the boat wanted more than twice this amount to sand blast and paint! I don’t think they wanted the job....
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Old 11-09-2018, 03:40 PM   #10
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I did my own barrier coat and bottom paint. The yard brought my boat down to our house and blocked it up on my driveway. Made it really easy to roll around under the boat on a creeper. Also I knew that it was done correctly and with the proper number of barrier coats.
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Old 11-09-2018, 06:25 PM   #11
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I'm planning on doing my own barrier coat and bottom paint too. (I don't think the yard will deliver to my driveway.) I've done bottom painting on the sailboats for years - I really don't trust the yard guys to be as careful as I will be to ensure good coverage - my wife is a great painter of bottoms (that doesn't sound quite right ) and I know how to be the "goofer" while she is rolling on the bottom paint so the painting process shouldn't have any surprises. I know I will use a two part epoxy paint 3-5 coats, then an anti-slime bottom paint. We will be in fresh water for at least the next 3 years. I am hoping to have the bottom paint last that long, and be able to switch to something for saltwater after that for our looping.

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I did my own barrier coat and bottom paint. The yard brought my boat down to our house and blocked it up on my driveway. Made it really easy to roll around under the boat on a creeper. Also I knew that it was done correctly and with the proper number of barrier coats.
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Old 11-09-2018, 07:17 PM   #12
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I am paying 50 $/ft at Manasquan River Club, NJ.
If I had the boat at home in PA someone could do it at my house for 35 $/ft.
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Old 11-10-2018, 02:40 AM   #13
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Thanks
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I am paying 50 $/ft at Manasquan River Club, NJ.
If I had the boat at home in PA someone could do it at my house for 35 $/ft.
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Old 11-10-2018, 09:34 AM   #14
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Not to go to far off topic, but you are listed as being VA, but you are in fresh water? Are you planning to go back to salt water? When/if you do go back will you change bottom paint?

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Originally Posted by GGroves View Post
Unfortunately, that was the cost only for the soda blasting. The painting (barrier coat, paint, prep, labor, etc) was $3750. Not cheap, but in the Fresh water of the Great Lakes we shouldn’t have to repaint for a couple of years. We went with Petites Hydrolux waterbased paint with the biolux anti-slime treatment. When we pulled the boat last month for winter storage, it was really clean, just a little slime. By the way, the yard where we keep the boat wanted more than twice this amount to sand blast and paint! I don’t think they wanted the job....
Gary
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Old 11-10-2018, 11:24 AM   #15
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Reside in VA. This year boat winters in Michigan. Next year, New York. We’re doing the northern loop (albeit backwards) for a couple of years, then back to Michigan. No plans to go to salt water. Did that for 13 years with a sailboat and finally discovered the joys of fresh water cruising. We selected the Hydrocoat SR paint due to its dual biocides. It will also work in salt water.
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Old 11-10-2018, 12:25 PM   #16
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Thinking ahead about doing this project next year, too...

When ya'll say "$$ per foot" you're using nominal boat length or hull length? Not actual square footage of the area to be blasted?

I'm assuming it's just the bottom that gets the blasting treatment, not the whole hull... yes? Followed by barrier coating and bottom paint?

-Chris
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Old 11-10-2018, 01:01 PM   #17
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Yes, the only part of the hull that is soda blasted is below the waterline. The bottom then requires some type of barrier coat, epoxy or otherwise, to seal the now porous gel coat. A good two-part epoxy negates the requirement for a primer coat before the bottom paint.
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Old 11-10-2018, 01:56 PM   #18
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Thanks; appreciate the confirmation.

-Chris
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Old 11-11-2018, 05:06 AM   #19
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What is it about your hull condition that requires it to be soda-blasted?
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Old 11-11-2018, 07:22 AM   #20
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Quote:
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What is it about your hull condition that requires it to be soda-blasted?

Can't speak for OP, but in our case, just 16 years of bottom paint. I'm thinking blasting is just the fastest/easiest way to prep the surfaces for new paint...

-Chris
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