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I've had Silikon from MPS for two years now and am happy with product keeping in mind there is no perfect solution. I do dive before races to give the boat a wipe-down which is relatively easy using a small 12v hookah. After lockdown and not cleaning for two months it had a fair amount of growth, which wiped off with bare hands. I did have some damage to the bow from a fergie buoy, my fault and since replaced with standard ball mooring, which was relatively easy to repair. Yes - it was expensive, but time it saves me in being easy to clean is worth it for me. Happy to answer questions if anyone wants more specific info. 

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9 hours ago, jay said:

I've had Silikon from MPS for two years now and am happy with product keeping in mind there is no perfect solution. I do dive before races to give the boat a wipe-down which is relatively easy using a small 12v hookah. After lockdown and not cleaning for two months it had a fair amount of growth, which wiped off with bare hands. I did have some damage to the bow from a fergie buoy, my fault and since replaced with standard ball mooring, which was relatively easy to repair. Yes - it was expensive, but time it saves me in being easy to clean is worth it for me. Happy to answer questions if anyone wants more specific info. 

Hi Jay, could you advise the size of the yacht, the ballpark cost and what sort of prep was required, perhaps also how long the process took.

 

chrs

 

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10 hours ago, Frank said:

Hi Jay, could you advise the size of the yacht, the ballpark cost and what sort of prep was required, perhaps also how long the process took.

 

chrs

 

Silikon wrap for a 9 meter yacht was approx $5k installed excluding prep 2 years ago. It is priced by the sq meter. Best to speak with MPS about recommended prep. Generally clean off all the old crap and put a nice sealing primer coat on for good adhesion, taking care to get good adhesion on this coating. Leave a few days before the silikon is applied. They did the application in one day.

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On 5/05/2020 at 5:13 PM, Joshandemma said:

Last December we sanded all the antifoul off our sail boat and applied two coats of Utlra 2 from International. We followed the directions in terms of coats etc.  Despite lost of use, love and attention and a full clean down a few months back we are getting a lot of growth, more than Ive seen with other products on other boats we've owned. I generally antifoul every two years. Given performance of the Ultra 2 Im looking at alternatives and would welcome any suggestions.

 

 

 We also used Ultra-2 last February. I prepped the boat with lots of sanding (even to the point of using Primocon on the entire underwater surface of the amas) then paid the boatyard to spray the Ultra-2.   We then spent the month of March at BOI marina and the bottom had a sea of barnacles like I have never seen before, but I only have experience in the tropics and North America. Dove and scraped...We returned for three weeks in July and they came right back.  I've been diving  recently to knock them off but the water sure is allot colder now!

Edited by 2flit
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BoI has a barnacle problem...

so its not necessarily the AF, but our EPA did take all of the useful stuff out of AF, incase it harms marine organisms.... many well regarded AF's have effectively stopped working since then. One name brand has withdrawn from the market.

Would this silikon wrap work on a prop shaft? our prop speed is a bit buggered, and I'd like to keep the barnacles off, or at least get them off every time I spin the prop... I'm also concerned barnacle growth on the shaft is leading to a buggered cutless bearing, because the growth is blocking water flow over the bearing. Is that likely, or m I just getting paranoid?

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12 hours ago, jay said:

Silikon wrap for a 9 meter yacht was approx $5k installed excluding prep 2 years ago. It is priced by the sq meter. Best to speak with MPS about recommended prep. Generally clean off all the old crap and put a nice sealing primer coat on for good adhesion, taking care to get good adhesion on this coating. Leave a few days before the silikon is applied. They did the application in one day.

Chrs for that ! I wonder if a wrap would be prone to damage from travel lift slings ? particularly with heavy displacement yachts.

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4 hours ago, Frank said:

Chrs for that ! I wonder if a wrap would be prone to damage from travel lift slings ? particularly with heavy displacement yachts.

MPS supplies carpet pads for the travel lift to protect the wrap so damage is not an issue for my light displacement boat. I think heavier boats should be ok as well, but suggest speaking with MPS on their experience here. 

The aggressive Bay of Islands barnacles are one of the reasons I went with Silikon. They are seasonal from approx Feb - April when water is warmest. Generally I swim to clean the bottom often enough that I don't get these barnacles with the Silikon, however when I cleaned the boat after lockdown, I did have some barnacles adhering to the silikon. They easily pop off with my finger though with no damage. 

 

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