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Fitting windows

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  • Member since
    October, 2017
Fitting windows
Posted by JeroenM3 on Sunday, October 15, 2017 10:41 AM


I'm now on my 2nd toyota supra build (one regular MKIV and a SARD version). The first one i glued the windows in using the "Revell Contacta professional" however i noticed that its started to haze (cloud) up. 

Now on the SARD the "local" modelshop (still roughly 30min drive but ow well) told me to use "Revell Contacta Clear". And sure it doesnt make the same haze (cloudiness) as the regular glue, however the side windows dont stick to the body frame. Something i had no problems with, with the Contacta Professional (regular glue i use). Any idea what i could be doing wrong? any tips? I tried the search button on here, however i couldnt find any threads where the contacta clear was mentioned.

  • Member since
    August, 2005
  • From: Nashua, New Hampshire
Posted by mrmike on Sunday, October 15, 2017 12:29 PM

I am not familiar with the Revell Contacta cement, but that sounds like what it is...a solvent based cement.  For windows, you should use a white glue or Testors Clear Parts Cement & Window Maker.  The Testors Clear Parts Cement & Window Maker goes on white, but dries clear and I don't know if it is available where you live.  The haze you see with the Revell Contacta Professional is probably the solvents working to melt the clear plastic and bond it with the surrounding plastic. 

As far as the side windows are concerned, are you allowing the cement to dry before inserting the interior?  Do the windows need to be trimmed to allow the interior to seat itself to prevent the windows popping out later? 

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  • Member since
    October, 2017
Posted by JeroenM3 on Sunday, October 15, 2017 4:15 PM

The "contacta clear" was reconmended by the local modelshop for windows, as he asked me what i used and i told him the ragular that u gave me earlier, thats how i ended up using the contacta clear.

Yeah im letting it rest for about 5 minutes before putting it in, the front part stays stuck,but the side windows let lose (even though its a complete thing from tamiya itself). Sadly theres also some see-able glue residue on the windows that spread from pushing the windows in.... 

Ill try and find some Testors clear parts cement & window maker, no clue if its for sale in holland, ill find out soon enough though ;) thx for the advice.

  • Member since
    November, 2004
  • From: UK
Posted by PatrickW on Tuesday, October 17, 2017 10:53 AM

When I fit seperate windows, like the Nascar ones that sit on the outside, I use a small tin of brush on clear varnish. Brush into the groove around where the window sits and a little around the edge of the window and lay up. As with paint give it time to dry (cure) and no sign of glue.

I've also used Revell Contacta Clear which is a white glue with no problems, as long as it is used in small amounts around the body and windows.

  • Member since
    December, 2003
  • From: Nova Scotia
Posted by Bainford on Wednesday, October 18, 2017 7:18 AM

I think much of the problem is the wait time to let the glue set. Five minutes is not enough. Many of these window adhesives set up more slowly then regular model cement. If there is any stress on the glass during interior installation, such as body flexing etc, then you may need to wait an hour or two, and maybe longer for the adhesive to set.

Also, before installation, be sure the windows fit very well. This will improve adhesion considerably. If necessary, trim, sand, file the glass or the window opening to improve fit.

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