dreadnought Posted April 22, 2018 Report Share Posted April 22, 2018 hi all,just wondering if anyone on the forum has an update on how the keelblack is performing,cheers for now Link to comment Share on other sites More sharing options...
Dr Bob Posted April 23, 2018 Report Share Posted April 23, 2018 14 hours ago, dreadnought said: hi all,just wondering if anyone on the forum has an update on how the keelblack is performing,cheers for now Bump. What is THE keelblack? Link to comment Share on other sites More sharing options...
dreadnought Posted April 24, 2018 Author Report Share Posted April 24, 2018 On 23/04/2018 at 08:33, Dr Bob said: Bump. What is THE keelblack? keelblack is a produck you paint on your hull to protect it,it is relatively new so you may not of heard of it,hope this helps you Link to comment Share on other sites More sharing options...
Dr Bob Posted April 24, 2018 Report Share Posted April 24, 2018 1 hour ago, dreadnought said: keelblack is a produck you paint on your hull to protect it,it is relatively new so you may not of heard of it,hope this helps you Maybe if you had asked if anyone had any comments on how Keelblack performed, you may have had an answer. ? When you said 'The' keelblack, I was unsure what 'the' was and if I had missed a previous thread. I am surprised you have had no takers. Someone out there must be using Keelblack? Link to comment Share on other sites More sharing options...
rusty69 Posted April 24, 2018 Report Share Posted April 24, 2018 Finks @peterboat uses zinger and keelblack and was going to report when his boat is out this year? Link to comment Share on other sites More sharing options...
Sanddancer Posted April 24, 2018 Report Share Posted April 24, 2018 Used it for the second time this year on boat. Easy and quick to use Link to comment Share on other sites More sharing options...
peterboat Posted April 24, 2018 Report Share Posted April 24, 2018 54 minutes ago, rusty69 said: Finks @peterboat uses zinger and keelblack and was going to report when his boat is out this year? I is! At the end of July tow of us widebeams is comin owt at Cassie weh both did em 2 yars ago mawn is zingered en is is jus keelblak saws we wil naw difrunce betwan em want we wal put sum pics up faw thee awreet Link to comment Share on other sites More sharing options...
peterboat Posted April 24, 2018 Report Share Posted April 24, 2018 29 minutes ago, Sanddancer said: Used it for the second time this year on boat. Easy and quick to use Was it en gud nic underneeth? ? Link to comment Share on other sites More sharing options...
ditchcrawler Posted April 24, 2018 Report Share Posted April 24, 2018 Trouble is that wont tell how good it is protecting from corrosion, just how well it sticks to Zinger, Maybe blackboard paint would have done as well for cosmetic use. Link to comment Share on other sites More sharing options...
cuthound Posted April 24, 2018 Report Share Posted April 24, 2018 We also need to know how well it stands up to abrasion when scraped against locks. Link to comment Share on other sites More sharing options...
Dr Bob Posted April 24, 2018 Report Share Posted April 24, 2018 19 minutes ago, cuthound said: We also need to know how well it stands up to abrasion when scraped against locks. ....or ducks! Link to comment Share on other sites More sharing options...
matty40s Posted April 24, 2018 Report Share Posted April 24, 2018 3 hours ago, Sanddancer said: Used it for the second time this year on boat. Easy and quick to use Having to use it twice this year ( and it's only April) must be a frighteningly expensive pastime.... 1 Link to comment Share on other sites More sharing options...
Rickent Posted April 24, 2018 Report Share Posted April 24, 2018 1 hour ago, matty40s said: Having to use it twice this year ( and it's only April) must be a frighteningly expensive pastime.... It needs to be used quick cos it goes hard after 6 months and you end up chucking it away like wot I did. Link to comment Share on other sites More sharing options...
Dr Bob Posted April 24, 2018 Report Share Posted April 24, 2018 14 minutes ago, matty40s said: Having to use it twice this year ( and it's only April) must be a frighteningly expensive pastime.... .....its been a bit too cold for outside painting. Hope you did it indoors. ? Link to comment Share on other sites More sharing options...
DaveR Posted April 24, 2018 Report Share Posted April 24, 2018 Legacy was docked earlier this year to check how the Keel Black was performing. At the waists there were extensive failures of the coating in round spots which resulted in a significant amount of corrosion. It is thought that the positive ion paint has been affected by the lower cathodic current at the distant point from the anodes. These areas of paint failure were pressure washed and standard blacking applied. The usual mechanical damage at the bow section from my careless lock entries were also cleaned and re-blacked. In the areas where there had been no failure the results are looking good but the increased costs of the Keel Black do not justify my using this product again. Link to comment Share on other sites More sharing options...
peterboat Posted April 24, 2018 Report Share Posted April 24, 2018 Lad whose boat we did at same time was previously done in two pack then in standard blacking, neither the two pack or standard blacking had performed well so last time we used keelblack on mine it is just cosmetic on his it is for protection Link to comment Share on other sites More sharing options...
matty40s Posted April 24, 2018 Report Share Posted April 24, 2018 1 hour ago, DaveR said: Legacy was docked earlier this year to check how the Keel Black was performing. At the waists there were extensive failures of the coating in round spots which resulted in a significant amount of corrosion. It is thought that the positive ion paint has been affected by the lower cathodic current at the distant point from the anodes. These areas of paint failure were pressure washed and standard blacking applied. The usual mechanical damage at the bow section from my careless lock entries were also cleaned and re-blacked. In the areas where there had been no failure the results are looking good but the increased costs of the Keel Black do not justify my using this product again. That backs up my observations on a couple of boats in for reblacking after using keelblack, plus a boat in for a full upper hull repaint that had been keelblacked only 14 months previously and needed a complete re-blacking as well. Perhaps in perfect warm summer conditions it may work well....however, this is the UK so it may well be wise to pitch the sales bumph at warmer climes. Link to comment Share on other sites More sharing options...
peterboat Posted April 26, 2018 Report Share Posted April 26, 2018 When ever I have seen paint failure on cars its been down to the painter not the product! My Zinger blacking however was the exception to the rule it didnt have enough uv protection in it so it went silver!! however it still provided protection Link to comment Share on other sites More sharing options...
Neil2 Posted April 28, 2018 Report Share Posted April 28, 2018 We've just acquired a Sea Otter (aluminium) and by chance I got talking to a guy who used Keelblack on his Otter some years ago - I guess when it first came on the market. It is pretty much cosmetic on a Sea Otter but this guy thinks Keelblack is the bollox - easier to apply than bitumen and he reckons much more durable - and this is someone who is averaging 500 hours a year all over the network so the boat sees a lot of action. This is not much help to steel boat owners who want to know about its corrosion prevention properties, but I think I would use it to tidy up the exposed hull on our zinc coated steel boat where the black epoxy got scratched and scraped in no time. Link to comment Share on other sites More sharing options...
peterboat Posted July 25, 2018 Report Share Posted July 25, 2018 So my boat is out and pressure/steam washed off, the keelblack was in good condition and the only corrosion was where I had hit things! As I have said before I have zingered by boat so the keelblack is cosmetic but does provide additional protection. Johns boat is pretty much the same as it was 2 years ago when it was keelblacked, so in both our cases the keelblack has provided protection for the steel whilst in the water. We are both using it again so clearly we arnt unhappy with the results, Johns previous docking was a very unhappy affair as the bitumen applied 2 year before had provided no protection at all, so for him the keelblack has performed better than bitumen 2 1 Link to comment Share on other sites More sharing options...
reg Posted July 27, 2018 Report Share Posted July 27, 2018 On 25/07/2018 at 18:43, peterboat said: So my boat is out and pressure/steam washed off, the keelblack was in good condition and the only corrosion was where I had hit things! As I have said before I have zingered by boat so the keelblack is cosmetic but does provide additional protection. Johns boat is pretty much the same as it was 2 years ago when it was keelblacked, so in both our cases the keelblack has provided protection for the steel whilst in the water. We are both using it again so clearly we arnt unhappy with the results, Johns previous docking was a very unhappy affair as the bitumen applied 2 year before had provided no protection at all, so for him the keelblack has performed better than bitumen Did you have a barrier coat between the zinga and the keelblack? Asking as my 2 pack over zinga didn't work out very well, mainly because I applied it wrong time of year Jan- Feb last year, Looking to patch the zinga and overcoat with something with keelblack as a contender. Link to comment Share on other sites More sharing options...
Guest Posted July 27, 2018 Report Share Posted July 27, 2018 (edited) On 25/07/2018 at 18:43, peterboat said: So my boat is out and pressure/steam washed off, the keelblack was in good condition and the only corrosion was where I had hit things! As I have said before I have zingered by boat so the keelblack is cosmetic but does provide additional protection. Johns boat is pretty much the same as it was 2 years ago when it was keelblacked, so in both our cases the keelblack has provided protection for the steel whilst in the water. We are both using it again so clearly we arnt unhappy with the results, Johns previous docking was a very unhappy affair as the bitumen applied 2 year before had provided no protection at all, so for him the keelblack has performed better than bitumen Interesting. I am happy with epoxy, but good to read of other success stories. In my experience dog shit would outperform bitumen. Edited July 27, 2018 by Guest Link to comment Share on other sites More sharing options...
Richard10002 Posted July 28, 2018 Report Share Posted July 28, 2018 10 hours ago, catweasel said: In my experience dog shit would outperform bitumen. There is one obvious retort to that but I wont go there....... Our boat has been bitumen since built in 2001. Hull had lost no steel when surveyed and blacked in 2011, and was fine when next lifted and blacked in 2015. I actually thought I could have left it longer, but I guess you have to have a look every now and then. Planning to lift and black again next Spring, and might have a hull survey, if only to make sure the thickness is still OK. So... Bitumen is fine here Link to comment Share on other sites More sharing options...
peterboat Posted July 28, 2018 Report Share Posted July 28, 2018 11 hours ago, reg said: Did you have a barrier coat between the zinga and the keelblack? Asking as my 2 pack over zinga didn't work out very well, mainly because I applied it wrong time of year Jan- Feb last year, Looking to patch the zinga and overcoat with something with keelblack as a contender. I had Zinger blacking on it which is not UV resistant so went silver on one side!!!!, I keelblacked straight over the zinger blacking with no problems and 2years later it had stayed on very well. I say to everyone my keelblack is cosmetic but it does seem to stay on very well so no complaints here Link to comment Share on other sites More sharing options...
Guest Posted July 28, 2018 Report Share Posted July 28, 2018 (edited) 1 hour ago, Richard10002 said: There is one obvious retort to that but I wont go there....... Our boat has been bitumen since built in 2001. Hull had lost no steel when surveyed and blacked in 2011, and was fine when next lifted and blacked in 2015. I actually thought I could have left it longer, but I guess you have to have a look every now and then. Planning to lift and black again next Spring, and might have a hull survey, if only to make sure the thickness is still OK. So... Bitumen is fine here Pleased it has worked for you. Perhaps it is horses for courses etc, but epoxy has easily paid for itself in our case. I suspect another two years before slipping again taking us to seven. I did some touching up this spring in the dinghy and had the boat strapped down to the jetty so that I could insect the water line (I always find this to be the most vulnerable area.) It is still in very good condition. I never got more than 2 years out of bitumen, despite trying various types and techniques. I think diesel on the water played a big part in its demise. The "orange blisters" often started after 12 months. With hindsight (a wonderful thing) I now wish I had epoxied it from new. Less slipping is kinder to the boat too. Edited July 28, 2018 by Guest Link to comment Share on other sites More sharing options...
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