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Boat Maintenance Forum


Hull Cleaning...

Anonymous user

28 May 2006 18:29:02

Joined: Unknown | Posts: Unknown

My Hull is going yellow any tips on how to overcome this?
Quote > Reply >

Re: Hull Cleaning...

davidhawkins

20 September 2006 21:16:50

Joined: 20 September 2006 21:14:10 | Posts: 3

NO easy way to prevent it but the answer is to use a compound and then polish is. This should get rid of any oxidation and will also remove stains and scratches at the same time. You can do it yourself but for best results find a professional with the right tools to buff at 2500 RPM
www.boatcareuk.com
all your maintenance needs in easy packages
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Re: Hull Cleaning...

Anonymous user

28 February 2007 18:50:43

Joined: Unknown | Posts: Unknown

I bought a new "Sander Polisher" on EBay for 35 GBP. (Cost 200GBP in the high street)
Very well made, in China I guess, and works a treat
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Re: Hull Cleaning...

John Pye

17 July 2007 17:06:43

Joined: 17 July 2007 16:50:00 | Posts: 7

Buffers and compounds work by taking off the top layer of gel coat, so only do this as a last resort to remove scratches, abrasion etc. A better solution is to use a good quality hull cleaner and then either wax the hull with a long-life boat wax or glaze it.

Glaze seals the gel coat and protects it from atmospheric and marine erosion and generally lasts better than wax. Theres more information at http://www.boatsheen.com
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Re: Hull Cleaning...

Anonymous user

17 July 2007 17:22:56

Joined: Unknown | Posts: Unknown

Interesting comment - we have just launched a new high performance coating - a non-abrasive sealant/glaze which is long lasting. However - in the case of badly oxidised hull you still need to cut back first in order to remove the layer of damage.

Boat Care UK
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Re: Hull Cleaning...

Anonymous user

17 July 2007 17:31:54

Joined: Unknown | Posts: Unknown

True, but the original request was about yellowing. Cutting compound shouldn't be needed to remove this and Glaze products should help to provide protection.
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Re: Hull Cleaning...

Anonymous user

23 July 2007 19:40:08

Joined: Unknown | Posts: Unknown

Very easy, see www.grpro-clean.com
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Re: Hull Cleaning...

Loobiloo

15 April 2008 15:24:52

Joined: 15 April 2008 15:20:54 | Posts: 2

Use the hull cleaner from www.marineaglaze.com - voted 10/10 by one of the mags to remove the yellowing
Loobi Loo
Kent
Quote > Reply >

Re: Hull Cleaning...

tonyhtms

11 June 2008 19:24:17

Joined: 11 June 2008 19:04:03 | Posts: 5

That yellowing you see on boat hulls is from tanic acid. It can be removed by most any type of acid. ie. Mary Kate's On and Off, Starbrite's hull cleaner, or even muriatic acid (yes the stuff you put in pools). Just make sure that you reapply your wax to the hull once you have removed the yellow because the acid will remove any wax that may have been there. Always use caution when applying any of these products. Use of rubber or latex gloves is recommended.

Feel free to contact Hi Tech Marine Systems, the Polishing Professionals TM with any of your questions or check us out on the web at http://www.htmsdaytona.com
Tony Cipollina
Owner Hi Tech Marine Systems of Daytona
President Hi Tech Marine Systems USA, Inc
(386) 316-3700
http://www.htmsdaytona.com
tony@htmsdaytona.com
Quote > Reply >

Re: Hull Cleaning...

Anonymous user

11 June 2008 19:27:30

Joined: Unknown | Posts: Unknown

The Marine A Glaze hull cleaner will remove a wax but not the A Glaze sealant - never wax a boat - it offers no protection against UV rays and offers a shine of about 6 weeks max.
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Re: Hull Cleaning...

John Pye

12 June 2008 08:35:17

Joined: 17 July 2007 16:50:00 | Posts: 7

Hmmm Anonymous - I guess you are working for Aglaze, but if not, maybe you should try some modern specialised waxes.

It's perfectly possible to formulate waxes with UV protection and if you use a modern wax with a high carnauba content it will last up to about six months, giving shine that deepens with every application. It's a bit more work, but gives a much deeper shine than you can get with any glaze products.

I'm not anonymous and I sell both glaze and specialised waxes, so I don't have a bias in favour of one or the other. The choice is down to what you want to achieve.

Quote > Reply >

Re: Hull Cleaning...

John Pye

12 June 2008 08:38:08

Joined: 17 July 2007 16:50:00 | Posts: 7

John Pye wrote: I sell both glaze and specialised waxes, so I don't have a bias in favour of one or the other. The choice is down to what you want to achieve.



By the way, my information can be found at http://www.boatsheen.com
Quote > Reply >

Re: Hull Cleaning...

Anonymous user

13 June 2008 17:30:59

Joined: Unknown | Posts: Unknown

I am not anonymous - but when I reply through my email it comes up that way. Yes I work for A Glaze. We have used Carnuba waxes before but they are a lot more difficult to apply even when mixed with our glaze. I accept non silicone waxes can offer a protection but it is still limited to 6 months max. If the individual boater wants to cut time and spend more time boating I would recommend using glaze. As you say it is entirely their choice.
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Re: Hull Cleaning...

John Pye

13 June 2008 18:04:37

Joined: 17 July 2007 16:50:00 | Posts: 7

Thanks for the clarification.

Some carnauba wax products used to be difficult to apply, but well-formulated modern products like our Best Brazilian Boatwax http://www.boatsheen.com/boatwax-bestbrazilian.html are extremely easy and pleasant to apply. It's in a cream form, so you just wipe it on and then buff to a shine. There's no abrasive in it, so you can apply further coats to build up a really deep protective shine.
Quote > Reply >

Re: Hull Cleaning...

Spearsy

17 June 2008 11:18:36

Joined: 17 June 2008 10:52:13 | Posts: 1

I have been using Natural carnauba waxes on cars for many years now, i have now started hitting the mega-yacht world using a wax not a glace, and machine polishing with the Nano technology.

I have just returned fronm Antibes where i was undertaking paint correction on a 240ft yacht, the hull had been A glaced previously but the hull had sustained bad staining from the exhaust fumes.I performed a full machine polishe on the hull and other areas and then sealed with a Carnauba based wax.

The yacht is ready for its 3 year respray and the officer on board said the hull looked like 1 year old again. IF you get a good layer of wax bult up then it will last but not only that the finish is awesome.

50/50 shots
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Some 50/50 shots
[URL="[URL=http://imageshack.us][/URL]"][URL=http://imageshack.us][/URL][/URL]
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[URL="[URL=http://imageshack.us][/URL]"][URL=http://imageshack.us][/URL][/URL]
[URL="[URL=http://imageshack.us][/URL
Pro Yacht Detailer
www.autoshinespecialistvaleting.co.uk
Quote > Reply >

Re: Hull Cleaning...

Anonymous user

17 June 2008 14:57:06

Joined: Unknown | Posts: Unknown

tonyhtms wrote:That yellowing you see on boat hulls is from tanic acid. It can be removed by most any type of acid. ie. Mary Kate's On and Off, Starbrite's hull cleaner, or even muriatic acid (yes the stuff you put in pools). Just make sure that you reapply your wax to the hull once you have removed the yellow because the acid will remove any wax that may have been there. Always use caution when applying any of these products. Use of rubber or latex gloves is recommended.

Feel free to contact Hi Tech Marine Systems, the Polishing Professionals TM with any of your questions or check us out on the web at http://www.htmsdaytona.com


Just use a bit of bleach and some fairy liquid and a good scrubbing brush! Finished up with a good polymer car wax thats it sorted!
Quote > Reply >

Re: Hull Cleaning...

sailmatch

02 July 2008 13:00:56

Joined: 01 July 2008 13:16:38 | Posts: 6

If it's really bad like mine was I repainted my boat - I used Toplac and Owartrel Oil - spelling might not be right - but use an oil to mix in with the paint - I put this on my boat with a paint brush and the finish was fantastic - lots of preperation on the hull first to make sure no pit holes etc. Sometimes the yellow stain will not come off - I tried oxylic acid and other methods without success! Hope this helps!
Sassy
http://www.sailmatch.com
www.sailmatch.com
Online Dating and Crewfinding Service
Quote > Reply >

Re: Hull Cleaning...

Kalin B

13 August 2009 13:45:15

Joined: 13 August 2009 13:29:35 | Posts: 10

A&R Industrial, Commercial and Marine Cleaning Specialists
www.arcleanse.com
A&R Industrial Commercial and Marine Cleaning Specialsts www.arcleanse.com
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Re: Hull Cleaning...

Anonymous user

19 October 2009 19:50:38

Joined: Unknown | Posts: Unknown

Here is a great article about the proper maintenance for your boat exterior, on the yacht help desk blog.

http://www.yachthelpdesk.com/products-services/boat-exterior-maintenance
Quote > Reply >

Chine Shine

Anonymous user

22 August 2010 21:54:50

Joined: Unknown | Posts: Unknown

I had recently been recommended a product called "chine shine" from www.deckhandmarine.com . tried it and was very impressed, it dealt with years of staining within a few minutes with very little effort.
Quote > Reply >

Re: Hull Cleaning...

The BCC

27 August 2010 10:55:51

Joined: 27 August 2010 10:37:02 | Posts: 2

My Hull is going yellow any tips on how to overcome this?


Can I ask what you have been using? What methods & specific products to date?
http://www.theboatcleaningcompany.co.uk
Quote > Reply >

Re: Hull Cleaning...

steveconway

27 August 2010 20:59:58

Joined: 27 August 2010 20:52:14 | Posts: 1

Most staining is caused by the impurities in the water we sail through, which can include river silt as well as the more objectionable pollutants. Interntional's Gel Coat Stain Remover works by chemical reacton so needs no scrubbng and has worked very well for me.A few minutes after wiping it on just wash it off, and then to minimise further staining it is worth giving the gelcoat a good polish. I hope this helps.
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