Anyone dye there primer

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Donzo

Well-Known Member
I don’t get it... I can see where I’ve pva’d Because it’s darker/shines in the light. I’ll pva tacky if there one day or pva and skim dry next day all depending
If you put pva on, food colouring or not and it drys, and it has runs that set it does bleed through skim, key is put it on when tacky when using food colouring.
 

Gibbo

Well-Known Member
I had been watching a program about some doing up a house in San Francisco and they had a guy skimming the old walls who was from UK and he was using a coloured pva
 

Donzo

Well-Known Member
Just brush through all the grit dust and shite on the wall as you go then it’s easy to see where you’ve been
Food colouring is safe to use, but don't pva and let it dry, when painted the emulsion paint was not penetrating because pva had set. Skimming is applied on tacky pva, it says on container, if you do dry then your changing spec.
 

Vincey

Private Member
Same. I’m also systematic with it so impossible too miss anywhere even if did it with the light off.

The problem is pesky labourers
Tbh my eye sight isn’t as good use to be mate and often work in dark rooms just thought would make my life easier
 

lurpak

Artex Boy
Tbh my eye sight isn’t as good use to be mate and often work in dark rooms just thought would make my life easier

You’d think they’d color it by now. The reason they don’t is what concerns me.

But surely bit of that there grit would color it enough
 

Gibbo

Well-Known Member
Food colouring is safe to use, but don't pva and let it dry, when painted the emulsion paint was not penetrating because pva had set. Skimming is applied on tacky pva, it says on container, if you do dry then your changing spec.
Would not matter one bit
 

Gibbo

Well-Known Member
The emulsion only has to penetrate the skin nothing else the food colouring was grinning through not everywhere just in places and the ceiling would be on the deck by now if skimming on to dry pva didn't work
 

lurpak

Artex Boy
I don’t understand how it would work if it didn’t re-emulsify when skimmed.

Would your skim be resting on a thin layer of dry pva?
 

Donzo

Well-Known Member
The emulsion only has to penetrate the skin nothing else the food colouring was grinning through not everywhere just in places and the ceiling would be on the deck by now if skimming on to dry pva didn't work
I didn't say dry won't work, but spec of pva is apply plaster when tacky not dry. So you ain't following application instructions. So if there is a fail of bond that could be a possible cause. If it works for you that's good. As the food colouring process I do, has never grinned through.
 

Gibbo

Well-Known Member
I didn't say dry won't work, but spec of pva is apply plaster when tacky not dry. So you ain't following application instructions. So if there is a fail of bond that could be a possible cause. If it works for you that's good. As the food colouring process I do, has never grinned through.
It's in my own house mate I don't work in people's houses and never will
 

Donzo

Well-Known Member
No its not
I'm not saying that's what you used, I'm saying to lurpak, you also get pva that's waterproof once dry. They do not all emulsify.
They are many different kinds of pva lurpak, that can be used for different construction, some not to be used for skimming.
 

lurpak

Artex Boy
I'm not saying that's what you used, I'm saying to lurpak, you also get pva that's waterproof once dry. They do not all emulsify.
They are many different kinds of pva lurpak, that can be used for different construction, some not to be used for skimming.

@LarryTheLag which one did you use to make a mould of your b*ll***s?
 

lurpak

Artex Boy
I'm not saying that's what you used, I'm saying to lurpak, you also get pva that's waterproof once dry. They do not all emulsify.
They are many different kinds of pva lurpak, that can be used for different construction, some not to be used for skimming.

Definitely mate, assumed we were talking about ones that conform to BS 5270/plastering
 
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