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LINING BRICKWORK

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  • Member since
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  • From: England
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LINING BRICKWORK
Posted by sleeper33 on Saturday, December 8, 2007 1:14 AM

 Hi guys am trying to line  some brickwork on a building using acrylics.

I painted the wall a brick colour and when dry painted over with white. when i tried to remove the white it took some of the original brick colour with it. I may be an idiot for asking but where am I going WRONG?Banged Head [banghead].

 Any help more than welcome

 Gav

Gav TRYING TO DO EVERYTHING AT ONCE AND NOT GETTING ANYWERE
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Posted by twcenterprises on Saturday, December 8, 2007 2:53 AM

As I understand it, you are wanting to color the "mortar lines" between the bricks.  Well, I guess the first question I have is, are you letting the white paint dry, or removing while still wet?  Are you sanding off the dried paint?  How long had the brick color been dry?  Is the white paint, for lack of a better description, "dissolving" the brick color?

There are several methods to this.  Personally (at this time) I don't color the mortar joints on my buildings.  Having said that, I would try the following: 

After painting the brick color, use a white "wash" consisting of white paint thinned about 5-10% with water, alcohol, or thinner (depending on type of paint).  The wash will settle into the joints, where it should be left to dry.

You could also use powdered chalk, rubbed or brushed onto the wall, and wipe off the excess.  Some should remain in the mortar joints.  Seal with flat clearcoat (Dullcote).  Sometimes the Dullcote will partially obscure the chalk, you may have to repeat.

Some modelers use Hydrocal or Plaster (applied dry) in a similar manner, then dampened to activate, then allowed to cure.  After curing, you gently sand off any excess.  Of course, this runs the risk of removing the brick color if overdone.   This works better on unpainted plastic as the sanding removes the shine from the plastic.

Many modelers don't use white, but use a light grey or tan, or similar light color, for mortar lines.   

Brad 

EMD - Every Model Different

ALCO - Always Leaking Coolant and Oil

CSX - Coal Spilling eXperts

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  • From: Amish country Tenn.
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Posted by loathar on Saturday, December 8, 2007 9:28 AM
What type of paint are you using?
Did you let your brick paint dry for a few days before attempting your motar lines? If your using water base paint, it takes a while to toughen up. Water your mortar color down quite a bit. Don't let it dry completely and don't rub very hard when removing excess.
  • Member since
    September 2005
  • From: England
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Posted by sleeper33 on Saturday, December 8, 2007 3:36 PM

cheers guys

I'll give them botha go as for the paint i'm using it's acrylics

 

GavBow [bow]

Gav TRYING TO DO EVERYTHING AT ONCE AND NOT GETTING ANYWERE
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Posted by chadw on Saturday, December 8, 2007 4:17 PM

Why try to put paint on then take it back off?  An easier way to model brick is with colored pencils.  I saw this technique in the feb. 07 MR and it works well.  First paint the wall a mortar grey color.  Then dulcote the walls (trust me the next step won't work otherwise).  Then take a brick red colored pencil and use the side of it to shade over the raised bricks leaving the grey mortar in between.  The first time i tried this I forgot the dulcote and the pencil wouldn't write on the smooth surface.  Then you can dulcote again to seal your structure or just leave it unsealed.

CHAD Modeling the B&O Landenberg Branch 1935-1945 Wilmington & Western Railroad
  • Member since
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  • From: Amish country Tenn.
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Posted by loathar on Saturday, December 8, 2007 6:07 PM
 chadw wrote:

Why try to put paint on then take it back off?  An easier way to model brick is with colored pencils.  I saw this technique in the feb. 07 MR and it works well.  First paint the wall a mortar grey color.  Then dulcote the walls (trust me the next step won't work otherwise).  Then take a brick red colored pencil and use the side of it to shade over the raised bricks leaving the grey mortar in between.  The first time i tried this I forgot the dulcote and the pencil wouldn't write on the smooth surface.  Then you can dulcote again to seal your structure or just leave it unsealed.

I have seen that done to highlight some bricks and it looked really good!

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