Durham water putty

Started by Lynnb, September 30, 2021, 04:20:52 PM

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Lynnb

How long do you wait after making a concrete slab with the Durham water putty before painting with a floquil aged concrete? I've drawn the lines and scribed them, just not sure how long I have to wait before painting and weathering.
Thanks
Lynn
Ontario, Canada
The Great White North

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craftsmankits

I think it depends upon the thickness.  I would wait overnight, or simply feel for any dampness.  You mentioned Floquil paints, if it's oil based, I would wait overnight, if water based, you could probably proceed when it feels dry.  It's pretty tuff stuff.  I doubt you'll damage it either way.  The packaging doesn't appear to be of any help regarding set up time etc.  Just my two cents.  Mark

S&S RR

I would not recommend painting it - I weather / color mine with soft pastel chalks - usually after letting it dry overnight. Floquil paints will change the texture and make it look like painted concrete. My cent and 1/2.
John Siekirk
Superior & Seattle Railroad

Lynnb

Well I'm definitely waiting overnight, John I'm just following the kits directions but I'm a bit leary now to proceed with the floquil aged concrete.  John are you referring to the Rembrandt chalks? I'm intrigued with your method.
Ontario, Canada
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sdrees

I have painted it with floquil paints and have not had any problems.  I have built forms and done some casting of walls, slabs, footings etc and it has worked fine.  I don't remember how long I waited to paint though.
Steve Drees
SP RR

Lynnb

Thanks Steve , I actually poured it last nite but I know what happens if plaster is still holding moisture.
Ontario, Canada
The Great White North

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S&S RR

#6
Quote from: Lynnb on September 30, 2021, 09:21:14 PM
Well I'm definitely waiting overnight, John I'm just following the kits directions but I'm a bit leary now to proceed with the floquil aged concrete.  John are you referring to the Rembrandt chalks? I'm intrigued with your method.


Lynn


Yes - I'm referring to the Rembrandt chalks but there are a number of good manufactures.  Pan Pastels are another soft pastel chalk. The best advice I can give you is try a test sample - I like the chalks because I can get the color and the texture right.  If you don't like the color with chalks you can use a soft rubber eraser and remove them and try again.  The floquil paint will work but I like the look of the chalks - it's a personal opinion and you may want to give it a try.
John Siekirk
Superior & Seattle Railroad

Lynnb

Thanks John , I'm quite familiar with the Rembrandt chalks from the Sierra West kits I've done and know what you mean about the textures. I was actually going to be finishing with the chalks.
Ontario, Canada
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Keep It Rusty

Lynn, if there are any concerns about the paint disturbing the putty itself, you can hit it will some Dulcote first and create a barrier.

Lynnb

Thanks Craig I never would have thought of that .
Ontario, Canada
The Great White North

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