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Defroster line bubbles


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Hey everyone, Ive posted on here before so some already know that I am fairly new to the tint scene, so my question is: Every back window that Ive been doing lately has been getting bubbles that run across the defroster lines (in the same direction as the defroster) however occasionally ill get a few that pop up running vertical between two defrosters but not very often..when I first started tinting I didnt get any of these so im starting to wonder why now? I havent changed film or anything, am I starting to over heat shrink? I dont feel as if im doing it differently than before but maybe i am? Also I have been having some difficulty in learning the proper way to squeege the film down once it is applied to the back glass...I usually swipe the bottom edge all the way across, then once through the middle then work everything out to the corners like an x shape almost: is that correct or no? Any info would help greatly

Thank you again

GUNNER

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puckers like those are normally from overshrinking the film. Move the heat gun faster, watch the film moving, or change the shrinking technique are all ways to help that. The other things might be the mounting solution is overly heavy with slip or the temperature in the shop is lower.....both of those have an effect on the adhesion of the film.

Oh one more thing is how sharp and new your power squeegee is. If it is older and getting dull then you are not getting the pressure you were when it was new!

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Guest scottydosnntkno

Posted

puckers like those are normally from overshrinking the film. Move the heat gun faster, watch the film moving, or change the shrinking technique are all ways to help that. The other things might be the mounting solution is overly heavy with slip or the temperature in the shop is lower.....both of those have an effect on the adhesion of the film.

Oh one more thing is how sharp and new your power squeegee is. If it is older and getting dull then you are not getting the pressure you were when it was new!

:thumb also, turn on the rear defroster as your about to spray down the back glass to install. by the time it starts warming up, you should have the film on the window and mostly squeegeed down. Don't worry if it warms up before then, because the film will hold the warm water between it and the glass. Then, when you do your final squeegee, the film should be nice and warm and it will help with the banana problem.

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wire wool the heater elements before install to help this. Your shrinking technique will most likely not be helping also.

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Cool thanks guys, I just ordered new squeege and will try the different techniques that youve recomended

Appreciate it again

GUNNER :beer

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