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Masking help

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  • Member since
    January, 2017
  • From: Canada
Masking help
Posted by Gregifur on Monday, January 30, 2017 8:36 PM

Although I've built a lot of models in the distant past the exteriors have always been one color and supplied decals. My first build in years is just finished (Peterbilt 359) and I attempted to paint custom stripes. They ended up jagged along the edges.

I am now working on a 1:16 Kenworth W-900 that I want to two tone and separate the colors with a fairly fine copper line. I use an airbrush so the paint layers aren't thick at all.

Anyway, order of opperations..

Spray copper lines first, mask them and apply colors?

Apply colors, mask the line and spray?

Remove mask immediately or wait until the paint is fully cured?

I know it must seem like silly questions, but I really want to get the Kenworth right without having to strip anything.

Thanks in advance!

 

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In Progress:

1:16 Kenworth W-900 Conventional

On deck and not in any particular order:

Bandit 77 Trans Am - The General Lee - 57 Chevrolet Convertible - 65 Chevelle SS 396 -  69 Charger Daytona - 69 Camaro Z/28 RS - 87 Monte Carlo SS Aerocoupe - 70 Plymouth Roadrunner

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Monday, January 30, 2017 10:14 PM

Spray lightest colors to darkest is a general rule. Do the lightest color first, mask it off, spray on the next darkest color, continue as needed. 

its easier to apply a darker color over a lighter color than the other way around. 

 

F is for FIRE, That burns down the whole town!

U is for URANIUM... BOMBS!

N is for NO SURVIVORS...

       - Plankton

LSM

 

  • Member since
    April, 2004
Posted by Jon_a_its on Tuesday, January 31, 2017 4:57 AM

pinstripe decals?

 

  • Member since
    November, 2009
  • From: Twin Cities of Minnesota
Posted by Don Stauffer on Tuesday, January 31, 2017 9:06 AM

They used to sell decal sheets with solid colors, which could be used for stripes- have not seen them in awhile, but they may be out there.

To avoid jagged edges on masked areas, two things I recommend- one, use good modelers masking tape like Tamiya.

Second- seal the edges of the tape.  Do this after masking and burnishing edges down (I use Q-tips for this).  Then, apply another coat of the color that you are masking over.  This results in any bleed under at the edge will not be noticable, since the bleed through area is same color as the area masked.

 

Don Stauffer in Minnesota

  • Member since
    January, 2014
  • From: Nampa, Idaho
Posted by jelliott523 on Tuesday, January 31, 2017 9:20 AM

Ditto I also find that at times if I'm masking windows or delicate areas, I will use the tip of a round toothpick to get into tight areas to burnish the tape down.

I too use mainly Tamiya hobby tape in various widths. I've also used 3M Blue Painters tape and FrogTape, when using those, it is typically for covering larger areas. If I want a super crisp line using the general masking brand tapes, I will use a damp (not excessivley wet) Q-tip to smooth down the edge. (I've been told that these painters tapes have an additive in the adhesive that reacts with moisture to seal...I haven't looked this up to confirm).

On the Bench:  Lots of unfinished projects!  Smile

  • Member since
    January, 2009
  • From: hamburg michigan
Posted by fermis on Wednesday, February 01, 2017 8:53 PM

For me, I really depends on the paint. Typically, I'd spray the pinstripe, mask it with a strip of tape, then do the next color, mask that, and do the next color. However...if' you're using a metalic paint...those are weak and peel up with the tape pretty easily. In that case, I'd paint the first main color (lightest color). I'd mask that off at what will later be the farther edge of your pinstripe. Paint the next color. Once dry, mask over that, along the edge of the mask that's already there for the first color. Peel off first mask, and re-mask for the pinstripe. Spraying light coats will help to prevent seapage under the tape and give you a nice, clean edge.

  • Member since
    January, 2017
  • From: Canada
Posted by Gregifur on Wednesday, February 01, 2017 9:43 PM

Thanks for the great tips!

I'm going to experiment on a scrap piece first.

The main colors are Alclad Transparent Bottle Green and Gloss Black with the dividing stripes Model Master Copper, so it may be a bit of a nail biter.

 

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In Progress:

1:16 Kenworth W-900 Conventional

On deck and not in any particular order:

Bandit 77 Trans Am - The General Lee - 57 Chevrolet Convertible - 65 Chevelle SS 396 -  69 Charger Daytona - 69 Camaro Z/28 RS - 87 Monte Carlo SS Aerocoupe - 70 Plymouth Roadrunner

dgb
  • Member since
    February, 2017
Posted by dgb on Saturday, February 18, 2017 10:32 AM

What is best tape to mask with especially for thin fine lines, like pipes, cabling raised from smooth plastic surface. Like sub interior details? dgb

 
  • Member since
    September, 2013
  • From: San Antonio, Texas
Posted by Marcus McBean on Saturday, February 18, 2017 6:54 PM

Jammydog sells masking tape in .75 & .5mm.  Otherwise I have to make my own.

dgb
  • Member since
    February, 2017
Posted by dgb on Saturday, February 18, 2017 9:38 PM
thanks, dgb

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