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Author Topic: Halfords Red Primer  (Read 4023 times)

tizdaz

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Halfords Red Primer
« on: January 12, 2018, 08:47:33 pm »

Hi guys, is the Halfords Red Primer waterproof?


I ask because i want to do a water test but the skeg of my tug is made out of wood mostly so i will need to make sure its water proof, so was just wondering if i gave all the skeg area a spray with the Halfords Red Primer will that make it water proof?


cheers :)
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Colin Bishop

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Re: Halfords Red Primer
« Reply #1 on: January 12, 2018, 08:52:31 pm »

No, primers are not waterproof, they need to be sealed with a topcoat of paint or clearcoat.

Colin
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tizdaz

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Re: Halfords Red Primer
« Reply #2 on: January 12, 2018, 10:21:10 pm »

hmm, ok 'im confused! someone said to me to use halfords red primer for the red colour on my hull, so how would i seal it? i don't want it to look glossy i want a matt finish :) ?


Like i say it's just for a water test so i wont be spraying the whole hull just yet, but i need to spray this section as some of it is wood so will need to seal it to make it water proof ?



cheers
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Colin Bishop

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Re: Halfords Red Primer
« Reply #3 on: January 12, 2018, 10:27:11 pm »

Simple enough. Spray the hull with red primer to get the colour and then seal it with a matt or satin varnish. I find the Ronseal MattCoat Polyurethane varnish does a good job. Don't use quick dry acrylic varnishes as they can peel off.

https://www.amazon.co.uk/Ronseal-UTVMC250-Internal-Mattcoat-Varnish/dp/B001GU4BHQ/ref=pd_lpo_vtph_60_bs_lp_img_1?_encoding=UTF8&psc=1&refRID=T2QSGA4P0ET900XAX3VN

Colin
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tizdaz

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Re: Halfords Red Primer
« Reply #4 on: January 12, 2018, 11:08:30 pm »

ah ok thanks :)


thing is I wasn't planning on spraying the whole of my hull just yet only this bit, as its going to be a 3 colour job, I guess i could just do the keel for now with the method you say to make it water proof & then I can do the rest when i come to it ?


I'm doing it these colours:





Would be ok to just do the keep bit now & then the rest later on? It's just so i can do a water test for ballast etc?
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Stavros

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Re: Halfords Red Primer
« Reply #5 on: January 13, 2018, 09:07:36 am »

DO NOT USE RONSEAL OR ANY OTHER VARNISH on that hull......simply spray the skeg with halfords car lacquer as a HAVE PREVIOUSLY TOLD YOU TO DO ......if you use the other it will REACT  when proper primer has been applied......for heavens sake READ READ AND READ AGAIN...AND AGAIN AND AGAIN  what i have said in the painting article in the paint section....


Oh and Halfords red primer is MATT  so why on earth would you want to varnish it.....YES primer is porous but WHY  would you want to varnish it.on a Grp or plastic hull as unless the hulk is going to be sat under the water for the next 10 years it will not do the Grp any harm whatsoever.


Dave
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Colin Bishop

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Re: Halfords Red Primer
« Reply #6 on: January 13, 2018, 09:46:48 am »

Dave, I have used Ronseal Mattcoat over Halfords red primer for many years and NEVER had a problem. Yours is not necessarily the only way do things. I do agree that if you just want to treat a small part of the hull separately and then apply a different system at a later date then you could run into difficulties.

Colin
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Stavros

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Re: Halfords Red Primer
« Reply #7 on: January 13, 2018, 10:22:17 am »

Colin for goodness sake you willl not get a reaction when putting that stuff over halfords BUT WHEN YOU KNOW FOR A FACT and you OBVIOUSLY DO NOT  know what primer is going to be used then beforeyou know the FACTS dont try and belittle me as  YOU ALLWAYS TRY TO DO.....FACT .


I know a lot more about paint than you ever will and thats a FACT




Dave
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Colin Bishop

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Re: Halfords Red Primer
« Reply #8 on: January 13, 2018, 10:50:13 am »

Well, looking back over the posts he said he is using Halfords red primer, no mention of using anything else....

See my comments on your other thread and do please stop shouting at me, it's unnecessary.

Colin
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Fastfaz

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Re: Halfords Red Primer
« Reply #9 on: January 13, 2018, 11:25:45 am »

Play nicely children!
      Regards, Pete. :police:
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T33cno

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Re: Halfords Red Primer
« Reply #10 on: January 13, 2018, 12:29:10 pm »

Hi Daz.
On my Portgarth GRP hull with wooden skeg I completely coated the skeg with a couple of coats of finishing resin.


I used the Halfords red primer for the whole hull and later gave the lower half a halfords satin lacquer knowing I could later apply the upper hull colour on top and ultimately I then lacquered over the lot.


I marked my water line with fine indelible pen on the primer before the first lacquer so that it largely remained through following fine sanding before adding the other colour.


You should notice that the lacquer changes the shade of red primer considerably and you either like it or you don't so just be aware  :-))







Still wet here below and changes quite a lot as it dries off.



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T33cno

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Re: Halfords Red Primer
« Reply #11 on: January 13, 2018, 01:12:52 pm »

I was looking for this  :-))


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Colin Bishop

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Re: Halfords Red Primer
« Reply #12 on: January 13, 2018, 01:24:47 pm »

The lacquer is basically gloss isn't it? That would probably account for the colour change. Matt Ronseal tends to darken it slightly, especially if you use the exterior version which contains UV filters.

Colin
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T33cno

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Re: Halfords Red Primer
« Reply #13 on: January 13, 2018, 01:27:35 pm »

The lacquer is basically gloss isn't it? That would probably account for the colour change. Matt Ronseal tends to darken it slightly, especially if you use the exterior version which contains UV filters.

Colin


I don't know Colin but I like satin or matt and I wanted my decks in matt but it was a nightmare task to mask up the differences so went with satin all over
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T33cno

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Re: Halfords Red Primer
« Reply #14 on: January 13, 2018, 02:07:47 pm »

I've started using Hycote primer as in bulk it's under £3 a can but they don't do satin lacquer for some strange reason.
I want to avoid paying 7.99 for a small can at Halfrauds  {:-{
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tizdaz

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Re: Halfords Red Primer
« Reply #15 on: January 13, 2018, 03:27:01 pm »

Hi guys,


Thanks for the reply's :)


I've gone with the clear lacquer as Dave suggested as he has kindly offered to help me with the priming one weekend so want to get it prepped ready for him :)


So I've picked up a couple of cans of clear lacquer from halfords

@T33cno
That looks very nice! that's how i would like the red colour on my hull to look when completed :)
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T33cno

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Re: Halfords Red Primer
« Reply #16 on: January 13, 2018, 03:28:36 pm »

Good on yer both. Nice one Dave  :-))
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