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Author Topic: Primer?  (Read 518 times)

tizdaz

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Primer?
« on: January 10, 2022, 07:26:02 am »

Hi guys,


I'm thinking of using Halfords High Build Primer which is grey colour for the hull to cover any tiny imperfections etc. Thing is, for my hull colour i will be using Halfords Red Oxide Primer as the actual colour! Will this be ok as this will mean i will be spraying a primer over a high build primer? Also I hear mixed opinions about using clear lacquer, I'm thinking of using Halfords Clear Satin Lacquer to finish off? And while on subject of clear satin lacquer, I'm going to be planking my deck with walnut strips & then using Dulux Woodsheen French Oak to stain, will it be ok to finish this off with Halfords Satin Clear Lacquer?


I know about reactions with different brands etc, all colours/primers etc I'm using will be Halfords (except for the deck planking).


cheers!
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derekwarner

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Re: Primer?
« Reply #1 on: January 10, 2022, 07:58:27 am »

Welcome to 2022 Daz........

Have you trialed French Oak stain over Walnut?..........I was under the impression that French Oak, was a lighter timber hue, so would have thought the stain would not have altered the darkness or hue of the walnut planking strips after drying?

In OZ, I have sometimes found the Paint manufacturer telephone Help-Line is staffed with real experienced wood/paint experts & so maybe could answer & confirm the suitability of using a Halfords satin Lacquer over an alternate Brand surface preparation

Let us know how you progress %)

Derek 
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tizdaz

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Re: Primer?
« Reply #2 on: January 10, 2022, 10:22:47 am »

Hiya buddy!


Happy new year to you too  :}2


Yeh ive used the stain on walnut planks for my wheelhouse, i just havent used varnish on the wheelhouse but for deck i thought i would to give extra protection from the water etc :-))
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raflaunches

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Re: Primer?
« Reply #3 on: January 10, 2022, 12:41:10 pm »

Iíve used primers on top of primers on a majority of my recent builds. Iíve used the grey, black, and red and they all behave themselves as long as you allow them to dry properly and give a light sand before applying the next layer. Used lacquer to seal too- no problem with it as they are all acrylic based paint.
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Nick B

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Colin Bishop

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Re: Primer?
« Reply #4 on: January 10, 2022, 01:18:51 pm »

Quote
no problem with it as they are all acrylic based paint.

Not always the case Nick! It depends on the propellant which differs between manufacturers, I've been caught out that way! I think most Halfords paints are compatible with each other (including the spray enamels) but the matt/satin lacquers and the automotive clear (gloss) lacquer are not the same. The matt and satin can definitely be applied over Halfords spray enamel (but not Humbrol enamel) but the clear lacquer seems to be only recommended for applying over metallic automotive finishes.

The matt and satin lacquers seem to go on fine over brushed acrylic such as Tamiya, Revell and Model Color though, even after an hour or so.

I've never had any problems with Halford's primers, the standard and high build are quite happy with each other. Like others, I've noticed that the standard white primer seems to be rather soft after application but I have recently tried the white plastic primer which appears to be a lot better.

Colin
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Nordlys

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Re: Primer?
« Reply #5 on: January 10, 2022, 02:31:54 pm »

All my finishing consists of sanding sealer and all Halfords finishing primers and lacquers.
The crucial thing I note is Drying Time.
Allow as long as you can afford to wait. The longer the better. Don't rush.
N.
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raflaunches

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Re: Primer?
« Reply #6 on: January 10, 2022, 02:40:53 pm »

Not always the case Nick! It depends on the propellant which differs between manufacturers, I've been caught out that way! I think most Halfords paints are compatible with each other (including the spray enamels)


Apologies for the misunderstanding Colin- I meant to include Iíve used Halford Primers together and the their range of lacquer and not had any problems.
Thatís me writing as Iím about to go out the door to work and not checking what I had written  :embarrassed:
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tizdaz

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Re: Primer?
« Reply #7 on: January 11, 2022, 05:32:36 am »

thanks for info guys, so would i be best off using the Plastic Red Primer for the hull of my boat, at the moment i have in storage just the normal red primer that i purchased a while back as i believe this is a perfect colour for the red colour of hull, but am i better off with the plastic one? is it still a good colour for the hull?


cheers
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roycv

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Re: Primer?
« Reply #8 on: January 11, 2022, 08:54:10 am »

Hi all just remembered I was re-working some 00 gauge railway carriages just before Christmas.  Making Thomas the tank engine carriages look normal!  I used the Halfords grey primer first, left it to dry more like hours not days.  Then used the red (ish) primer and just checked again and they look good.
Does not look like you need to use sand paper in between as I would have lost the additional detail I had added.  This was on a plastic surface.  I use minimum coverge just a couple of passes and then another go if there is poor coverage.

I have also used on a boat the red primer as the antifouling colour and then sealed with the lacquer.  I usually then wait until completely dry and apply some good quality furniture polish (not the spray on type).  This makes the pond water run off quickly followed by an easy dry with kitchen tissue.
Hope this helps.
Roy
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Colin Bishop

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Re: Primer?
« Reply #9 on: January 11, 2022, 10:16:06 am »

Quote
thanks for info guys, so would i be best off using the Plastic Red Primer for the hull of my boat, at the moment i have in storage just the normal red primer that i purchased a while back as i believe this is a perfect colour for the red colour of hull, but am i better off with the plastic one? is it still a good colour for the hull?

You can use either. The plastic primer was developed for priming car bumpers etc. and is slightly flexible. Colour of both is fine for antifoul but you should finish off with lacquer or polyurethane varnish as Roy says (not the quick dry stuff) as both the grey and particularly the red will mark easily otherwise. Plus of course the primer is not waterproof according to a well known expert, nor would one expect it to be really.

Colin
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tizdaz

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Re: Primer?
« Reply #10 on: January 11, 2022, 11:03:46 am »

You can use either. The plastic primer was developed for priming car bumpers etc. and is slightly flexible. Colour of both is fine for antifoul but you should finish off with lacquer or polyurethane varnish as Roy says (not the quick dry stuff) as both the grey and particularly the red will mark easily otherwise. Plus of course the primer is not waterproof according to a well known expert, nor would one expect it to be really.

Colin


Hi Colin,


Thanks for info! ..i think i will not use the primer i have and pick up a couple of cans of the plastic one as I'm guessing less chance of it cracking if my hull takes a bash, i have some Halfords Satin lacquer: https://www.halfords.com/motoring/paints-and-body-repair/specialist-and-decorative-paints/halfords-satin-lacquer-300ml-370277.html?istCompanyId=b8708c57-7a02-4cf6-b2c0-dc36b54a327e&istFeedId=367c5610-f937-4c81-8609-f84582324cd6&istItemId=xqrmmlpi&istBid=t&_$ja=tsid:|cid:14882035628|agid:126020935177|tid:pla-328767121813|crid:550463621677|nw:u|rnd:7280513139414147791|dvc:c|adp:|mt:|loc:1006697&gclid=Cj0KCQiA8vSOBhCkARIsAGdp6RRdeVHYu0-42e-azAlFFYG7s5U6g6g3OXjcwObv1_X4Wml4Kk4WkDUaAjGNEALw_wcB will this be ideal for the job?


Cheers!
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tizdaz

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Re: Primer?
« Reply #11 on: January 11, 2022, 11:09:07 am »

Hi all just remembered I was re-working some 00 gauge railway carriages just before Christmas.  Making Thomas the tank engine carriages look normal!  I used the Halfords grey primer first, left it to dry more like hours not days.  Then used the red (ish) primer and just checked again and they look good.
Does not look like you need to use sand paper in between as I would have lost the additional detail I had added.  This was on a plastic surface.  I use minimum coverge just a couple of passes and then another go if there is poor coverage.

I have also used on a boat the red primer as the antifouling colour and then sealed with the lacquer.  I usually then wait until completely dry and apply some good quality furniture polish (not the spray on type).  This makes the pond water run off quickly followed by an easy dry with kitchen tissue.
Hope this helps.
Roy


Hi Roy, thanks for reply, Im thinking of using Halfords Satin Lacquer that is in a spray can as the area of my hull is huge as its 1/12 scale so im just trying to find out now if this satin lacquer that halfords do in a spray can will be ok?
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roycv

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Re: Primer?
« Reply #12 on: January 11, 2022, 11:30:51 am »

Hi I have used it before, I believe the paints are all acryllic so should work OK.
Roy
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Howard

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Re: Primer?
« Reply #13 on: January 11, 2022, 06:19:18 pm »

Hi, If your using primer red for the hull bottom colour you will need to seal it as its not water proof.
               Regards Howard.
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Mrs Stav

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Re: Primer?
« Reply #14 on: January 11, 2022, 06:42:13 pm »

As it is a Grp hull there is absoloutly No need to seal it BUT if it is wood then you definatly needs sealing according to Hubby ...Stavros


Mrs \Stav
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Colin Bishop

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Re: Primer?
« Reply #15 on: January 11, 2022, 06:54:27 pm »

Quote
As it is a Grp hull there is absoloutly No need to seal it BUT if it is wood then you definatly needs sealing according to Hubby ...Stavros

Quite right Dave but the primers are easily marked or scratched/scuffed unless they have a protective coat.

Colin
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roycv

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Re: Primer?
« Reply #16 on: January 11, 2022, 07:22:36 pm »

I agree with Colin and all the car colours from Halfords need a seal with lacquer as the surface is quite soft.  I think it says so on the paint can.
Roy
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SteamboatPhil

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Re: Primer?
« Reply #17 on: January 11, 2022, 08:56:47 pm »

This may sound weird, but many years ago I had to do a quick turnaround on a wooden display model, so I used a well known brand of emulsion..begins with D (worked on my ceiling as well) rubbed it down (on the boat  :-)) ) and used a good gloss finish paint (used on full sized wooden boats), Turned out one of the best finishes I have ever got, later the boat was converted to RC, and is still going with my original paint finish, and that was 20 years ago....just shows you....... O0
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Andyn

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Re: Primer?
« Reply #18 on: January 12, 2022, 12:34:18 am »

This may sound weird, but many years ago I had to do a quick turnaround on a wooden display model, so I used a well known brand of emulsion..begins with D (worked on my ceiling as well) rubbed it down (on the boat  :-)) ) and used a good gloss finish paint (used on full sized wooden boats), Turned out one of the best finishes I have ever got, later the boat was converted to RC, and is still going with my original paint finish, and that was 20 years ago....just shows you....... O0
I'm calling man cow manure on this one. You don't know how to 'convert to RC' ;D
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tizdaz

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Re: Primer?
« Reply #19 on: January 12, 2022, 12:36:41 am »

thanks for info guys, so i will use Halfords plastic red primer and then seal it with Halfords Satin Lacquer  :-))


my hull is going to be 3 colours, Red/Green/Black.


At the mo I'm just sorting out the Bulwark supports (38 of them!) so far I've made.... 3! but not rushing, taking my time!
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RST

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Re: Primer?
« Reply #20 on: January 13, 2022, 04:25:24 am »

The plastic primer is generally designed in chemistry to stick better to the likes of ABS body panels with lower surface activity.  It might flex a little bit better also but not that much more.  It will offer you no more "ding" protection than regular primer in my opinion in our application.

...On a wooden hull it won't make much difference in my opinion.  My preference the last 25 years is to give any wooden hull a coat of thin glass cloth / rovings and nowadays, epoxy resin (or the deluxe polyurethane air drying resin if I don't specifically want strength).  I know thats as subjective opinion a to what oil to put in your car -what to lubricate your propshaft, in model railways electrofrog vs insulfrog.

Whether you use plastic primer or the regular stuff it shouldn't make too much difference as long as you prepare the underlying layer properly.  That's been my achilles heel before, some grease or something incompatable, or spraying too thick trips you up.  That said I don't like the new formulation of halfords aerosols compared to years ago but such is progress and still use them!

Rich
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