Stus-List Soda blasting bottoms

[robert via CnC-List]

Charlie:

There is a another way to have the bottom paint removed.it is called 
'dry ice blasting'.it is much cleaner and safer than soda blasting.


When I bought my boat in 2006, I had the bottom 'dry ice 
blasted'..took the contractor approx. 4 hours.removed 22 years 
of Interlux and VC 17 right down to the 'white gel coat' without any 
damage, pitting etc to the gel coat.   Keel and rudder were cleaned as well.


The old antifouling paint just fell to the asphalt like 'course 
pepper'.I used a shop vac to clean it up.


https://en.wikipedia.org/wiki/Dry-ice_blasting

https://www.bing.com/videos/search?q=dry+ice+blasting=detail=C0396F2E2CC670FEFE5BC0396F2E2CC670FEFE5B=VIRE

It is worth investigating.

Rob Abbott
AZURA
C 32-84
Halifax, N.S.

On 2018-08-08 10:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed with 
it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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Re: Stus-List Soda blasting bottoms

[Richard Gonesailing via CnC-List]

Had our hull sofa blasted 4 years ago took the guy a hour roughly and he 
changed 700 con to do the job no damage done to the gel coat 

Richard

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> On Aug 8, 2018, at 9:32 AM, Charlie Nelson via CnC-List 
>  wrote:
> 
> I need to have several/many coats of bottom paint removed (its starting to 
> seriously flake off) and am considering soda blasting as both faster and 
> possibly cheaper than the 60 hours of labor that the 
> yard estimates it would take to sand it off.(~$5000!).
>  
> Opinions and experiences of the list are welcome before I proceed with it (or 
> stay with the sanding method).
>  
> Thanks,
>  
> Charlie Nelson
> Water Phantom
> 1995 C 36 XL/kcb
>  
> cenel...@aol.com
> ___
> 
> Thanks everyone for supporting this list with your contributions.  Each and 
> every one is greatly appreciated.  If you want to support the list - use 
> PayPal to send contribution --   https://www.paypal.me/stumurray
> 
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Re: Stus-List Soda blasting bottoms

[schiller via CnC-List]

I should point out that the most important component was the turbo spray 
head.  This allowed lifting the paint without gouging into the gel coat.


BTW, it was two *tanks*, not yanks, of gas.  Remember, spell check is 
your worst enema!


Neil Schiller
1983 C 35-3, #028
Whitehall, Michigan
WLYC

On 8/8/2018 4:01 PM, schiller via CnC-List wrote:
My pressure washer is a Briggs and Stratton 2200 psi, 2.2 gpm unit.  
If I remember correctly, it only took two full yanks of gas.  This 
only worked because my yard owner didn't care as long as I put a tarp 
down.  I'm not at all sure how much runoff I had.  I tried to catch as 
much as I could.


Neil Schiller
1983 C 35-3, #028
Whitehall, Michigan
WLYC

On 8/8/2018 2:35 PM, John Christopher wrote:
I always wondered if this would work. How many PSI was your pressure 
washer?



/John

On Aug 8, 2018, at 12:09 PM, schiller > wrote:


The last time that I did Corsair (1970 Redwing 35), I used my 
pressure washer and a turbo nozzle.  Stripped the paint off without 
affecting the barrier coat.  I put down a tarp to collect the bottom 
paint (Micron CSC), but the yard didn't really care.  I got the tarp 
from Harbor Freight and just tossed it after I was done.  Paint came 
off pretty easily once I got the technique down.  A light sand 
afterwards and two coats of Micron CSC and I was back in business.  
I tried the pressure washer on the advice of the yard owner.


Neil Schiller
1983 C 35-3, #028
"Grace"
Whitehall, Michigan
WLYC

On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting 
as both faster and possibly cheaper than the 60 hours of labor that 
the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed 
with it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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Re: Stus-List Soda blasting bottoms

[schiller via CnC-List]

My pressure washer is a Briggs and Stratton 2200 psi, 2.2 gpm unit.  If 
I remember correctly, it only took two full yanks of gas.  This only 
worked because my yard owner didn't care as long as I put a tarp down.  
I'm not at all sure how much runoff I had.  I tried to catch as much as 
I could.


Neil Schiller
1983 C 35-3, #028
Whitehall, Michigan
WLYC

On 8/8/2018 2:35 PM, John Christopher wrote:
I always wondered if this would work. How many PSI was your pressure 
washer?



/John

On Aug 8, 2018, at 12:09 PM, schiller > wrote:


The last time that I did Corsair (1970 Redwing 35), I used my 
pressure washer and a turbo nozzle. Stripped the paint off without 
affecting the barrier coat. I put down a tarp to collect the bottom 
paint (Micron CSC), but the yard didn't really care.  I got the tarp 
from Harbor Freight and just tossed it after I was done.  Paint came 
off pretty easily once I got the technique down.  A light sand 
afterwards and two coats of Micron CSC and I was back in business.  I 
tried the pressure washer on the advice of the yard owner.


Neil Schiller
1983 C 35-3, #028
"Grace"
Whitehall, Michigan
WLYC

On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed 
with it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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Re: Stus-List Soda blasting bottoms

[John Christopher via CnC-List]

I always wondered if this would work. How many PSI was your pressure washer?


/John

> On Aug 8, 2018, at 12:09 PM, schiller  wrote:
> 
> The last time that I did Corsair (1970 Redwing 35), I used my pressure washer 
> and a turbo nozzle.  Stripped the paint off without affecting the barrier 
> coat.  I put down a tarp to collect the bottom paint (Micron CSC), but the 
> yard didn't really care.  I got the tarp from Harbor Freight and just tossed 
> it after I was done.  Paint came off pretty easily once I got the technique 
> down.  A light sand afterwards and two coats of Micron CSC and I was back in 
> business.  I tried the pressure washer on the advice of the yard owner.
> 
> Neil Schiller
> 1983 C 35-3, #028
> "Grace"
> Whitehall, Michigan
> WLYC
> 
>> On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
>> I need to have several/many coats of bottom paint removed (its starting to 
>> seriously flake off) and am considering soda blasting as both faster and 
>> possibly cheaper than the 60 hours of labor that the
>> yard estimates it would take to sand it off.(~$5000!).
>>  
>> Opinions and experiences of the list are welcome before I proceed with it 
>> (or stay with the sanding method).
>>  
>> Thanks,
>>  
>> Charlie Nelson
>> Water Phantom
>> 1995 C 36 XL/kcb
>>  
>> cenel...@aol.com
>> 
>> 
>> ___
>> 
>> Thanks everyone for supporting this list with your contributions.  Each and 
>> every one is greatly appreciated.  If you want to support the list - use 
>> PayPal to send contribution --   https://www.paypal.me/stumurray
>> 
> 
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Re: Stus-List Soda blasting bottoms

[PETER OCAMPO via CnC-List]

I just did the diy style this winter went to boat once a weekend  starting in 
January for 2-3 hours. Scrapped whole hull 30 years of paint  C 40 

Dust deputy. Pro Scrapper and wet dry vac. Then sanded with random orbital 5 
inch use the 3m sand paper 80 grit.  Better then the stuff at Lowe’s 

petit epoxy filler as needed   Then 
4 coats. Sea hawk barrier. Then hard ablative  sea hawk 

Total time about 50-60 hours.  Spread out so I just had a good shoulder work 
out 

A friend of mind did it all in 2 weeks on his 35 ft Erickson (he’s retired so 
had way more time then me)

My boat just launched today delay was due to other issues and kids schedule  
but in theory it could have been launched in June 



Sent from my iPhone

> On Aug 8, 2018, at 12:11 PM, Robert Boyer via CnC-List 
>  wrote:
> 
> I had my hull soda blasted about 4 years ago and it was a very positive 
> experience--all done in about 4 hours and cost less than $1000 as I recall.
> 
> Bob
> 
> Bob Boyer
> S/V Rainy Days (1983 C Landfall 38 - Hull #230)
> Blog: dainyrays.blogspot.com
> Email: dainyr...@icloud.com
> Annapolis, MD 
> 
>> On Aug 8, 2018, at 9:32 AM, Charlie Nelson via CnC-List 
>>  wrote:
>> 
>> I need to have several/many coats of bottom paint removed (its starting to 
>> seriously flake off) and am considering soda blasting as both faster and 
>> possibly cheaper than the 60 hours of labor that the
>> yard estimates it would take to sand it off.(~$5000!).
>>  
>> Opinions and experiences of the list are welcome before I proceed with it 
>> (or stay with the sanding method).
>>  
>> Thanks,
>>  
>> Charlie Nelson
>> Water Phantom
>> 1995 C 36 XL/kcb
>>  
>> cenel...@aol.com
>> ___
>> 
>> Thanks everyone for supporting this list with your contributions.  Each and 
>> every one is greatly appreciated.  If you want to support the list - use 
>> PayPal to send contribution --   https://www.paypal.me/stumurray
>> 
> ___
> 
> Thanks everyone for supporting this list with your contributions.  Each and 
> every one is greatly appreciated.  If you want to support the list - use 
> PayPal to send contribution --   https://www.paypal.me/stumurray
> 
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Re: Stus-List Soda blasting bottoms

[Robert Boyer via CnC-List]

I had my hull soda blasted about 4 years ago and it was a very positive 
experience--all done in about 4 hours and cost less than $1000 as I recall.

Bob

Bob Boyer
S/V Rainy Days (1983 C Landfall 38 - Hull #230)
Blog: dainyrays.blogspot.com
Email: dainyr...@icloud.com
Annapolis, MD 

> On Aug 8, 2018, at 9:32 AM, Charlie Nelson via CnC-List 
>  wrote:
> 
> I need to have several/many coats of bottom paint removed (its starting to 
> seriously flake off) and am considering soda blasting as both faster and 
> possibly cheaper than the 60 hours of labor that the
> yard estimates it would take to sand it off.(~$5000!).
>  
> Opinions and experiences of the list are welcome before I proceed with it (or 
> stay with the sanding method).
>  
> Thanks,
>  
> Charlie Nelson
> Water Phantom
> 1995 C 36 XL/kcb
>  
> cenel...@aol.com
> ___
> 
> Thanks everyone for supporting this list with your contributions.  Each and 
> every one is greatly appreciated.  If you want to support the list - use 
> PayPal to send contribution --   https://www.paypal.me/stumurray
> 
___

Thanks everyone for supporting this list with your contributions.  Each and 
every one is greatly appreciated.  If you want to support the list - use PayPal 
to send contribution --   https://www.paypal.me/stumurray

Re: Stus-List Soda blasting bottoms

[schiller via CnC-List]

The last time that I did Corsair (1970 Redwing 35), I used my pressure 
washer and a turbo nozzle.  Stripped the paint off without affecting the 
barrier coat.  I put down a tarp to collect the bottom paint (Micron 
CSC), but the yard didn't really care.  I got the tarp from Harbor 
Freight and just tossed it after I was done.  Paint came off pretty 
easily once I got the technique down.  A light sand afterwards and two 
coats of Micron CSC and I was back in business.  I tried the pressure 
washer on the advice of the yard owner.


Neil Schiller
1983 C 35-3, #028
"Grace"
Whitehall, Michigan
WLYC

On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed with 
it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


___

Thanks everyone for supporting this list with your contributions.  Each and 
every one is greatly appreciated.  If you want to support the list - use PayPal 
to send contribution --   https://www.paypal.me/stumurray



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every one is greatly appreciated.  If you want to support the list - use PayPal 
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Re: Stus-List Soda blasting bottoms

[Randy Stafford via CnC-List]

Donald when you say “hull”, did you just do the bottom (wetted surface), or did 
you do the topsides as well?

The reason I ask is because I’m contemplating both on my boat this coming 
offseason, and am trying to do the trade-off about whether to do it myself or 
hire it out, etc.  For me it looks like the biggest issue in doing it myself is 
finding a place to put the boat for doing the work (can’t do it in the dry 
storage yard I use, I can’t find an available rental garage that will allow 
that kind of work, etc.)

Cheers,
Randy

> On Aug 8, 2018, at 9:04 AM, Donald Sebastian via CnC-List 
>  wrote:
> 
> A boat in our boatyard had their hull soda blasted and it looked like 
> concrete when done.   They ended up having to do 3-4 coats of epoxy filler 
> and then fairing the entire hull.   I was envious when their boat was 
> stripped in 1 day but then seeing the extra work and sanding required, felt 
> great with my option to sand. 
> 
> I redid my hull this year as well.   There were many layers of ablative 
> paint.   I took down to gel coat / barrier with a 80 / 100 grit sanding using 
> a festool sander.   Already had from work which was a plus but would have 
> bought it for this job alone.   
> 
> Then two coats of petit epoxy  barrier and 2 coats of petit vivid over top of 
> that.I must say, I love the vivid paint.Boats been back in the water 
> 4 months now, on the river, and have zero growth.When scraping with my 
> fingernails, nothing comes off, growth or paint, and the hull feels nicely 
> polished.   
> 
> Overall it took about 50 hours start to finish at a casual pace working solo 
> on the boat. If I didn’t truly enjoy it, probably not a money savings in 
> taking time from work but satisfaction wise, would do again.
> 
> As a side, last year I did the "1000 dollar" option, scraped off loose stuff, 
> overcoat with 2 coats of ablative and it all sheeted off during the year.   I 
> have ideas of what happened, but I kind of knew i was putting a band aid on 
> something more serious.  Wasted my time and money.
> 
> I’ve quickly learned with sailing there are no shortcuts.
> 
> Donald
> 
> 
> 
> 
> 
> 
> 
> 
>> On Aug 8, 2018, at 10:47 AM, Nauset Beach via CnC-List 
>> mailto:cnc-list@cnc-list.com>> wrote:
>> 
>> Charlie,
>>  
>> Have no experience with this “yet” but have a similar bottom situation.  
>> This past spring I asked the yard manager about it and he estimated if he 
>> [the yard] were to do all of work [subcontracting the soda blasting] and 
>> supplies the full job would be ~ $7,000.  He said the soda blasting 
>> frequently leaves pitting in the gelcoat which then needs to be filled / 
>> sanded / filled and faired / sanded, barrier coats and finally 2-3 coats of 
>> bottom paint.  He is pretty relaxed about DIY and said that $$$ amount could 
>> be reduced depending on how much of the labor I want to do, and if I supply 
>> the barrier coat and bottom paint materials.  I am NOT going to sand off the 
>> bottom paint myself; using a random orbital sander this spring managed to 
>> get too much paint dust / particles in my eyes, even with goggles.  
>>  
>> Find it difficult to rationalize investing that much in a 30 yo boat I have 
>> owned for 20 years, especially if there is a possibility there might be a 
>> “next” boat in the future…  
>>  
>> I like Danny’s $1k and good finish on the bottom much better…Danny:  
>> Which yard in Mattapoisett did you use?  And what time of year was the work 
>> done?  Would guess there are seasonal variations in the rate schedule.  
>> Thanks. 
>>  
>> Brian
>>  
>> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com 
>> <mailto:cnc-list-boun...@cnc-list.com>] On Behalf Of Charlie Nelson via 
>> CnC-List
>> Sent: Wednesday, August 08, 2018 9:33 AM
>> To: cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>
>> Cc: cenel...@aol.com <mailto:cenel...@aol.com>
>> Subject: Stus-List Soda blasting bottoms
>>  
>> I need to have several/many coats of bottom paint removed (its starting to 
>> seriously flake off) and am considering soda blasting as both faster and 
>> possibly cheaper than the 60 hours of labor that the 
>> yard estimates it would take to sand it off.(~$5000!).
>>  
>> Opinions and experiences of the list are welcome before I proceed with it 
>> (or stay with the sanding method).
>>  
>> Thanks,
>>  
>> Charlie Nelson
>> Water Phantom
>> 1995 C 36 XL/kcb
>>  
>> cenel...@aol.com 
>> <mailto:cenel...@aol.com>__

Re: Stus-List Soda blasting bottoms

[Chuck Gilchrest via CnC-List]

When I purchased Half Magic, it had huge chunks of antifouling paint peeling 
off with the bare gelcoat (in pristine condition) revealing underneath.  My 
boatyard hired an outside contractor to soda blast and charged me $875 for the 
service.   There was another $2500 in charges for 3 layers of barrier coat and 
antifouling with prep work and sanding in between each layer.  The result was a 
nice smooth cruising bottom that has held up well for the past 3 seasons (with 
touch up to the antifouling each spring).

Our boatyard (and many in our area) doesn’t allow any owner sanding done to 
bottoms due to issues with clean up and environmental liabilities.

Chuck Gilchrest

S/V Half Magic

1983 35 Landfall

Padanaram, MA

From: CnC-List  On Behalf Of Charlie Nelson via 
CnC-List
Sent: Wednesday, August 8, 2018 9:33 AM
To: cnc-list@cnc-list.com
Cc: cenel...@aol.com
Subject: Stus-List Soda blasting bottoms

 

I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 

yard estimates it would take to sand it off.(~$5000!).

 

Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).

 

Thanks,

 

Charlie Nelson

Water Phantom

1995 C 36 XL/kcb

 

cenel...@aol.com <mailto:cenel...@aol.com> 

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every one is greatly appreciated.  If you want to support the list - use PayPal 
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Re: Stus-List Soda blasting bottoms

[Donald Sebastian via CnC-List]

A boat in our boatyard had their hull soda blasted and it looked like concrete 
when done.   They ended up having to do 3-4 coats of epoxy filler and then 
fairing the entire hull.   I was envious when their boat was stripped in 1 day 
but then seeing the extra work and sanding required, felt great with my option 
to sand. 

I redid my hull this year as well.   There were many layers of ablative paint.  
 I took down to gel coat / barrier with a 80 / 100 grit sanding using a festool 
sander.   Already had from work which was a plus but would have bought it for 
this job alone.   

Then two coats of petit epoxy  barrier and 2 coats of petit vivid over top of 
that.I must say, I love the vivid paint.Boats been back in the water 4 
months now, on the river, and have zero growth.When scraping with my 
fingernails, nothing comes off, growth or paint, and the hull feels nicely 
polished.   

Overall it took about 50 hours start to finish at a casual pace working solo on 
the boat. If I didn’t truly enjoy it, probably not a money savings in 
taking time from work but satisfaction wise, would do again.

As a side, last year I did the "1000 dollar" option, scraped off loose stuff, 
overcoat with 2 coats of ablative and it all sheeted off during the year.   I 
have ideas of what happened, but I kind of knew i was putting a band aid on 
something more serious.  Wasted my time and money.

I’ve quickly learned with sailing there are no shortcuts.

Donald








> On Aug 8, 2018, at 10:47 AM, Nauset Beach via CnC-List 
>  wrote:
> 
> Charlie,
>  
> Have no experience with this “yet” but have a similar bottom situation.  This 
> past spring I asked the yard manager about it and he estimated if he [the 
> yard] were to do all of work [subcontracting the soda blasting] and supplies 
> the full job would be ~ $7,000.  He said the soda blasting frequently leaves 
> pitting in the gelcoat which then needs to be filled / sanded / filled and 
> faired / sanded, barrier coats and finally 2-3 coats of bottom paint.  He is 
> pretty relaxed about DIY and said that $$$ amount could be reduced depending 
> on how much of the labor I want to do, and if I supply the barrier coat and 
> bottom paint materials.  I am NOT going to sand off the bottom paint myself; 
> using a random orbital sander this spring managed to get too much paint dust 
> / particles in my eyes, even with goggles. 
>  
> Find it difficult to rationalize investing that much in a 30 yo boat I have 
> owned for 20 years, especially if there is a possibility there might be a 
> “next” boat in the future… 
>  
> I like Danny’s $1k and good finish on the bottom much better…Danny:  
> Which yard in Mattapoisett did you use?  And what time of year was the work 
> done?  Would guess there are seasonal variations in the rate schedule.  
> Thanks.
>  
> Brian
>  
> From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Charlie 
> Nelson via CnC-List
> Sent: Wednesday, August 08, 2018 9:33 AM
> To: cnc-list@cnc-list.com
> Cc: cenel...@aol.com
> Subject: Stus-List Soda blasting bottoms
>  
> I need to have several/many coats of bottom paint removed (its starting to 
> seriously flake off) and am considering soda blasting as both faster and 
> possibly cheaper than the 60 hours of labor that the
> yard estimates it would take to sand it off.(~$5000!).
>  
> Opinions and experiences of the list are welcome before I proceed with it (or 
> stay with the sanding method).
>  
> Thanks,
>  
> Charlie Nelson
> Water Phantom
> 1995 C 36 XL/kcb
>  
> cenel...@aol.com 
> <mailto:cenel...@aol.com>___
> 
> Thanks everyone for supporting this list with your contributions.  Each and 
> every one is greatly appreciated.  If you want to support the list - use 
> PayPal to send contribution --   https://www.paypal.me/stumurray
> 

___

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every one is greatly appreciated.  If you want to support the list - use PayPal 
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Re: Stus-List Soda blasting bottoms

[Nauset Beach via CnC-List]

Charlie,

 

Have no experience with this “yet” but have a similar bottom situation.  This 
past spring I asked the yard manager about it and he estimated if he [the yard] 
were to do all of work [subcontracting the soda blasting] and supplies the full 
job would be ~ $7,000.  He said the soda blasting frequently leaves pitting in 
the gelcoat which then needs to be filled / sanded / filled and faired / 
sanded, barrier coats and finally 2-3 coats of bottom paint.  He is pretty 
relaxed about DIY and said that $$$ amount could be reduced depending on how 
much of the labor I want to do, and if I supply the barrier coat and bottom 
paint materials.  I am NOT going to sand off the bottom paint myself; using a 
random orbital sander this spring managed to get too much paint dust / 
particles in my eyes, even with goggles.  

 

Find it difficult to rationalize investing that much in a 30 yo boat I have 
owned for 20 years, especially if there is a possibility there might be a 
“next” boat in the future…  

 

I like Danny’s $1k and good finish on the bottom much better…Danny:  Which 
yard in Mattapoisett did you use?  And what time of year was the work done?  
Would guess there are seasonal variations in the rate schedule.  Thanks. 

 

Brian

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Charlie 
Nelson via CnC-List
Sent: Wednesday, August 08, 2018 9:33 AM
To: cnc-list@cnc-list.com
Cc: cenel...@aol.com
Subject: Stus-List Soda blasting bottoms

 

I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 

yard estimates it would take to sand it off.(~$5000!).

 

Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).

 

Thanks,

 

Charlie Nelson

Water Phantom

1995 C 36 XL/kcb

 

cenel...@aol.com <mailto:cenel...@aol.com> 

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Re: Stus-List Soda blasting bottoms

[bushmark4--- via CnC-List]

Neil; I forgot to add that to my earlier post: we did the same; four coats of 
the G-flex epoxy on the entire hull, (including keel), then two coats of bottom 
paint: Intreprotect 2000e; at least I know its done right!

 


Richard
s/v Bushmark4: 1985 37 CB; Ohio River, Mile 584.4


Richard N. Bush
2950 Breckenridge Lane, Suite Nine
Louisville, Kentucky 40220-1462 
502-584-7255

 

 

-Original Message-
From: Neil Gallagher via CnC-List 
To: cnc-list 
Cc: Neil Gallagher 
Sent: Wed, Aug 8, 2018 10:34 am
Subject: Re: Stus-List Soda blasting bottoms


Charlie,

I just finished this process about two weeks ago.  

Each year because of the flaking I would sand the hull, getting ridof 
some old buildup, but inevitably the newly applied antifoulingpaint would 
flake off more of the old stuff and mess up the paint. I finally had 
enough, had the yard soda blast, cost $2,000 to bringin the contractor.  
The gel coat on my '73 35-1 is in poor shape,lots of crazing and pitting.  
I did some filling with G-glexepoxy/410 filler on the worst stuff, then 4 
coats Interprotect 2000eand anitfouling.  (The yard quoted me $7,000 to put 
on one coat ofprimer and two coats of antifouling, if the price had been 
somewhatreasonable I would have had them do that too.)

Everyone who removed the paint by hand (with smaller boats than my35) 
said "don't do it by hand", and I'm sure they're right, just thefilling and 
painting was bad enough on my back.

Neil Gallagher
Weatherly 35-1
Glen Cove, NY

  




  
  
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Re: Stus-List Soda blasting bottoms

[Neil Gallagher via CnC-List]

Charlie,

I just finished this process about two weeks ago.

Each year because of the flaking I would sand the hull, getting rid of 
some old buildup, but inevitably the newly applied antifouling paint 
would flake off more of the old stuff and mess up the paint. I finally 
had enough, had the yard soda blast, cost $2,000 to bring in the 
contractor.  The gel coat on my '73 35-1 is in poor shape, lots of 
crazing and pitting.  I did some filling with G-glex epoxy/410 filler on 
the worst stuff, then 4 coats Interprotect 2000e and anitfouling.  (The 
yard quoted me $7,000 to put on one coat of primer and two coats of 
antifouling, if the price had been somewhat reasonable I would have had 
them do that too.)


Everyone who removed the paint by hand (with smaller boats than my 35) 
said "don't do it by hand", and I'm sure they're right, just the filling 
and painting was bad enough on my back.


Neil Gallagher
Weatherly 35-1
Glen Cove, NY



On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed with 
it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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Re: Stus-List Soda blasting bottoms

[Dan via CnC-List]

How bad is the flaking? - My boat also had some flaking paint when we
hauled out this spring. It has 4 or 5 coats of bottom paint, then barrier
coat, primer, then gel coat. Some of the flaking was down to the barrier
coat, but most of it was just bottom paint. The cost and time involved to
re-apply primer, then barrier coat, THEN bottom paint would have been a
real challenge. We just scraped away the flaky stuff by hand using drywall
knives, then sanded the whole thing using 2 orbital sanders and 60 grit
discs to take off the ridges and rough spots, then applied fresh
anti-fouling paint. It looks pretty smooth. I feel better knowing I still
have several layers of paint built up on there as opposed to just one or
two fresh layers that could be easily scraped off.

Dan
Breakaweigh
C
Halifax, NS

On Wed, Aug 8, 2018 at 10:45 AM, Matthew L. Wolford via CnC-List <
cnc-list@cnc-list.com> wrote:

> Ditto
>
> *From:* bushmark4--- via CnC-List 
> *Sent:* Wednesday, August 08, 2018 9:44 AM
> *To:* cnc-list@cnc-list.com
> *Cc:* bushma...@aol.com
> *Subject:* Re: Stus-List Soda blasting bottoms
>
> I went with the hand sanding method on my 37 simply because there were no
> other options, (like soda blasting) available; its back breaking dirty work
> and takes forever...; I ended up buying a really good orbital sander with a
> vacuum system, (about $1,100.00), which worked well using 80 (and sometimes
> 60) grit paper; about the only thing I can say for it is that I became
> really intimate with my hull...knowing every blemish, blister or ding does
> have some value when you're faring etc.,  If I had a choice I would have
> easily gone for the soda blasting:
>
> Richard
>
> s/v Bushmark4: 1985 C 37 CB; Ohio River, Mile 584.4
> Richard N. Bush
> 2950 Breckenridge Lane, Suite Nine
> Louisville, Kentucky 40220-1462
> 502-584-7255
>
>
> -Original Message-
> From: Charlie Nelson via CnC-List 
> To: cnc-list 
> Cc: cenelson 
> Sent: Wed, Aug 8, 2018 9:33 am
> Subject: Stus-List Soda blasting bottoms
>
> I need to have several/many coats of bottom paint removed (its starting to
> seriously flake off) and am considering soda blasting as both faster and
> possibly cheaper than the 60 hours of labor that the
> yard estimates it would take to sand it off.(~$5000!).
>
> Opinions and experiences of the list are welcome before I proceed with it
> (or stay with the sanding method).
>
> Thanks,
>
> Charlie Nelson
> Water Phantom
> 1995 C 36 XL/kcb
>
> cenel...@aol.com
> ___
>
> Thanks everyone for supporting this list with your contributions. Each and
> every one is greatly appreciated. If you want to support the list - use
> PayPal to send contribution -- https://www.paypal.me/stumurray
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Re: Stus-List Soda blasting bottoms

[Danny Haughey via CnC-List]

well if it didn't even take the shine off the original gel coat, I'd say 
the barrier coat should be pretty safe.



On 8/8/2018 9:47 AM, Matthew L. Wolford via CnC-List wrote:
Question: does the soda/walnut shell blasting affect a barrier coat 
like Interprotect?

*From:* Danny Haughey via CnC-List <mailto:cnc-list@cnc-list.com>
*Sent:* Wednesday, August 08, 2018 9:45 AM
*To:* Charlie Nelson via CnC-List <mailto:cnc-list@cnc-list.com>
*Cc:* Danny Haughey <mailto:djhaug...@juno.com>
*Subject:* Re: Stus-List Soda blasting bottoms

I had a yard in Mattapoisett blast the bottom of Rum Runner.  They 
uses walnut shells and I believe they charged me $1000.  Well worth 
it.  No impact on the gel coat whatsoever.  In fat they commented that 
the bottom looked as though it just came out of the showroom when they 
were done.



On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed 
with it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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https://www.paypal.me/stumurray




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Re: Stus-List Soda blasting bottoms

[Doug Ellmore via CnC-List]

I had my C 24 Soda blasted in 2016.  Awesome!  I then did 3-4 coats of
interlux barrier coat, then ablative anti-fouling paint.

I did some fairing and minor sanding.  Fixes a keel smile with rebed, too.

Surveyor this past spring gave me a passing grade on all.

It's way easier for sure.  And can help you find issues early.

Good Luck,

Doug
s/v Red Sky
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Re: Stus-List Soda blasting bottoms

[Matthew L. Wolford via CnC-List]

Question: does the soda/walnut shell blasting affect a barrier coat like 
Interprotect?

From: Danny Haughey via CnC-List 
Sent: Wednesday, August 08, 2018 9:45 AM
To: Charlie Nelson via CnC-List 
Cc: Danny Haughey 
Subject: Re: Stus-List Soda blasting bottoms

I had a yard in Mattapoisett blast the bottom of Rum Runner.  They uses walnut 
shells and I believe they charged me $1000.  Well worth it.  No impact on the 
gel coat whatsoever.  In fat they commented that the bottom looked as though it 
just came out of the showroom when they were done.




On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:

  I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 
  yard estimates it would take to sand it off.(~$5000!).

  Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).

  Thanks,

  Charlie Nelson
  Water Phantom
  1995 C 36 XL/kcb

  cenel...@aol.com


   

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Re: Stus-List Soda blasting bottoms

[Matthew L. Wolford via CnC-List]

Ditto

From: bushmark4--- via CnC-List 
Sent: Wednesday, August 08, 2018 9:44 AM
To: cnc-list@cnc-list.com 
Cc: bushma...@aol.com 
Subject: Re: Stus-List Soda blasting bottoms

I went with the hand sanding method on my 37 simply because there were no other 
options, (like soda blasting) available; its back breaking dirty work and takes 
forever...; I ended up buying a really good orbital sander with a vacuum 
system, (about $1,100.00), which worked well using 80 (and sometimes 60) grit 
paper; about the only thing I can say for it is that I became really intimate 
with my hull...knowing every blemish, blister or ding does have some value when 
you're faring etc.,  If I had a choice I would have easily gone for the soda 
blasting: 


Richard

s/v Bushmark4: 1985 C 37 CB; Ohio River, Mile 584.4
Richard N. Bush
2950 Breckenridge Lane, Suite Nine
Louisville, Kentucky 40220-1462 
502-584-7255


-Original Message-
From: Charlie Nelson via CnC-List 
To: cnc-list 
Cc: cenelson 
Sent: Wed, Aug 8, 2018 9:33 am
Subject: Stus-List Soda blasting bottoms


I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 
yard estimates it would take to sand it off.(~$5000!).

Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).

Thanks,

Charlie Nelson
Water Phantom
1995 C 36 XL/kcb

cenel...@aol.com

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Re: Stus-List Soda blasting bottoms

[Danny Haughey via CnC-List]

I had a yard in Mattapoisett blast the bottom of Rum Runner. They uses 
walnut shells and I believe they charged me $1000.  Well worth it.  No 
impact on the gel coat whatsoever.  In fat they commented that the 
bottom looked as though it just came out of the showroom when they were 
done.



On 8/8/2018 9:32 AM, Charlie Nelson via CnC-List wrote:
I need to have several/many coats of bottom paint removed (its 
starting to seriously flake off) and am considering soda blasting as 
both faster and possibly cheaper than the 60 hours of labor that the

yard estimates it would take to sand it off.(~$5000!).
Opinions and experiences of the list are welcome before I proceed with 
it (or stay with the sanding method).

Thanks,
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
cenel...@aol.com


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Re: Stus-List Soda blasting bottoms

[bushmark4--- via CnC-List]

 I went with the hand sanding method on my 37 simply because there were no 
other options, (like soda blasting) available; its back breaking dirty work and 
takes forever...; I ended up buying a really good orbital sander with a vacuum 
system, (about $1,100.00), which worked well using 80 (and sometimes 60) grit 
paper; about the only thing I can say for it is that I became really intimate 
with my hull...knowing every blemish, blister or ding does have some value when 
you're faring etc.,  If I had a choice I would have easily gone for the soda 
blasting: 

 


Richard


s/v Bushmark4: 1985 C 37 CB; Ohio River, Mile 584.4
Richard N. Bush
2950 Breckenridge Lane, Suite Nine
Louisville, Kentucky 40220-1462 
502-584-7255

 

 

-Original Message-
From: Charlie Nelson via CnC-List 
To: cnc-list 
Cc: cenelson 
Sent: Wed, Aug 8, 2018 9:33 am
Subject: Stus-List Soda blasting bottoms



I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 
yard estimates it would take to sand it off.(~$5000!).
 
Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).
 
Thanks,
 
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
 
cenel...@aol.com


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Stus-List Soda blasting bottoms

[Charlie Nelson via CnC-List]

I need to have several/many coats of bottom paint removed (its starting to 
seriously flake off) and am considering soda blasting as both faster and 
possibly cheaper than the 60 hours of labor that the 
yard estimates it would take to sand it off.(~$5000!).
 
Opinions and experiences of the list are welcome before I proceed with it (or 
stay with the sanding method).
 
Thanks,
 
Charlie Nelson
Water Phantom
1995 C 36 XL/kcb
 
cenel...@aol.com

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Re: Stus-List Soda Blasting

[Rick Taillieu via CnC-List]

Mike,

 

I had mine done in Ontario, I don’t know who does it out here.

Maybe call around to some mobile sand blasting companies and see if they do 
soda or dry ice blasting.

>From what I’ve heard, dry ice blasting leaves a lot less mess to clean up.

 

Rick Taillieu

Nemesis

'75 C 25  #371

Shearwater Yacht Club

Halifax, NS.

 

 

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Hoyt, Mike 
via CnC-List
Sent: November-09-15 09:24
To: cnc-list@cnc-list.com
Cc: Hoyt, Mike
Subject: Stus-List Soda Blasting

 

Rick

 

Do you still know who does Soda blasting in this area?

 

Thanks

 

Mike

 

From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rick 
Taillieu via CnC-List
Sent: Saturday, November 07, 2015 7:19 PM
To: cnc-list@cnc-list.com
Cc: Rick Taillieu
Subject: Re: Stus-List Keel attachment issues on a C 25

 

Ahmet,

 

Mine does have a sump towards the aft end of where the keel bolts are, that’s 
where I have the intake for the bilge pump routed.

Not so funny story: 

C had good days and bad days when they were laying up the hulls. I bought my 
boat in the summer of ’99, in the spring of 2000 I had the bottom soda blasted.

While cleaning up the bottom before putting in the Interprotect, I was opening 
up some small imperfections with a dremel tool.

I hit one small mark at the aft end of the keel sump and all of a sudden the 
antifreeze that I  had put in the bulge for the winter, started flowing out.

One it stopped I had a good look from outside and inside the bilge. It looked 
like there was a large air bubble in the layup of the hull and the only thing 
that was keeping the boat afloat for the 25 years before I bought the boat was 
the layer of gelcoat. Needless to say that area was filled with epoxy and cut 
up fibreglass mat until I was satisfied that it was full and well sealed.

It is important to torque your keel bolts from time to time (mine are due now), 
when I torqued them for the first time I got at least one full turn on all of 
the nuts, some were more.

I moved my stanchions to the toerail too, much more room to pass through there 
and it’s easier to sheet the genoa inboard as well.

The 25 is a great boat to sail, you can single-hand it really easily and if you 
want to race it will sail to its rating.

If you have any questions on setting up the boat just give me a shout, I’m 
happy to help.

 

Rick Taillieu

Nemesis

'75 C 25  #371

Shearwater Yacht Club

Halifax, NS.

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