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"Greenhouse" masking question

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  • Member since
    September, 2003
  • From: Chesapeake VA
"Greenhouse" masking question
Posted by out04 on Tuesday, August 15, 2017 12:24 PM

I've completed two kits recently, one canopy masked with BMF (foil), the other with Tamiya tape.  Both materials took some of the frame paint away when they were removed.  Acrylic paint was used for both, canopies washed but not futured.

Is it mandatory to trace around the masks with a blade before removal?

Does the problem go away if enamels are used?

I've got a Dauntless and a P-38 in the pipeline so.....

  • Member since
    December, 2002
  • From: Bury St Edmunds, Suffolk, England
Posted by Bish on Tuesday, August 15, 2017 2:02 PM

I get the same issue with enamels, thats whether i am useing Tamiya tape or Euard masks.

''I am a Norfolk man, and i glory in being so''

  

On the bench: Hasegawa 1/32nd Fw 190D-9    

  • Member since
    December, 2013
  • From: Orlando Florida
Posted by route62 on Tuesday, August 15, 2017 2:16 PM

I always give a light trace with a sharp razor prior to peeling the mask since there are usually several layers of paint and clear coats.  

  • Member since
    August, 2012
Posted by JMorgan on Wednesday, August 16, 2017 1:38 AM

It is a good idea, once the frames are painted, to immediately remove the mask. This prevents chipping, especially for glosses.

  • Member since
    September, 2003
  • From: Chesapeake VA
Posted by out04 on Wednesday, August 16, 2017 8:29 AM

Can't pull it immediately when I have to layer two colors and weather to match the airframe.

  • Member since
    July, 2010
Posted by roony on Wednesday, August 16, 2017 10:29 AM

route62

I always give a light trace with a sharp razor prior to peeling the mask since there are usually several layers of paint and clear coats.  

 

I agree with route62.  It will be tiring on a SBD.

  • Member since
    June, 2017
  • From: Winter Park, FL
Posted by fotofrank on Wednesday, August 16, 2017 12:22 PM

I'm finishing up an LT-6 at the moment. It took half a day to mask the canopy. I'd sure hate to screw up a paint job trying to peel off the masking. I also have an A-24 getting ready for paint. Haven't masked the canopy yet.

  • Member since
    July, 2004
  • From: Sunny So. Cal... The OC
Posted by stikpusher on Wednesday, August 16, 2017 6:56 PM

out04

Can't pull it immediately when I have to layer two colors and weather to match the airframe.

 

Exactly. I usually paint with the canopies in place, even if I plan to have it open on the finished build. The masked closed canopy protects the cockpit. So it's dip in Future, allow to dry, mask canopy, glue/tack glue in place, paint, gloss, flat, and finally remove mask and open up canopy. I have literally had canopies masked for years on some shelf queens.

 

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  • Member since
    September, 2016
Posted by Retired In Kalifornia on Thursday, August 24, 2017 11:26 PM

out04

I've completed two kits recently, one canopy masked with BMF (foil), the other with Tamiya tape.  Both materials took some of the frame paint away when they were removed.  Acrylic paint was used for both, canopies washed but not futured.

Is it mandatory to trace around the masks with a blade before removal?

Does the problem go away if enamels are used?

I've got a Dauntless and a P-38 in the pipeline so.....

 

If there is substantial paint build-up around the masking edges use a new Xacto No.11 to trim around them. I mostly use fresh Scotch Magic Mending Tape or equivalent for clear part masking, sometimes must use Tamiya or equivalent tapes for added ridgity around curves. Biggest issue always for me is removing masks without excessive paint splintering, some enamels splinter more than others, splinters electrically charged stick to everything! 

  • Member since
    January, 2009
  • From: hamburg michigan
Posted by fermis on Friday, August 25, 2017 8:38 PM

I haven't had a problem, using enamels.

I use Tamiya tape...unless it's an Eduard kit, that comes with masks. Even after the masking has been in place for weeks, I still haven't had any issues with it peeling up more than it should.

  • Member since
    November, 2008
  • From: Florida
Posted by plasticjunkie on Saturday, August 26, 2017 2:54 PM

The only way I see that happening is if too much paint was sprayed. For dark colors I spray a light coat of black first. This thin translucent black coat will cut down on the final paint color coats eliminating paint buildup. For light colors I shoot a light or medium grey first.

It's  a good idea to remove the masking asap but sometimes due to certain situations, the masking will remain in place for weeks at a time. So far, I've  had no issues in doing so.

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