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Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: JoeM
Date: April 12, 2018 03:41PM
I installed a wired burglar alarm system in my home back in the early 90's. The window sensors that I used attached were adhesive-backed and have remained in place all these years. I'm trying to remove them now but am having no luck doing so. I've tried using a thin blade scraper with no luck. The top section breaks off but the bottom plastic mounting plate won't budge.

I read where rubbing alcohol is supposed to loosen up adhesive so I can give that a try next but does anyone know of a way that will work? I haven't tried a heat gun as I want to make sure I don't break the glass. Any ideas?

TIA



JoeM
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: clay
Date: April 12, 2018 03:43PM
acetone?
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: testcase
Date: April 12, 2018 03:44PM
Give WD-40 a try. Spritz it on and let it soak ~ 5 minutes. Then try a razor blade again.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: Carm
Date: April 12, 2018 03:44PM
Acetone or GooGone
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: cbelt3
Date: April 12, 2018 03:47PM
Solvent on a paper towel. Apply to the area. Scrape off as it softens. I’ve also used steam.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: Dennis S
Date: April 12, 2018 04:04PM
I've heard about using peanut butter. I think oil is the key. See my thread about mayonnaise just above.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: billb
Date: April 12, 2018 04:08PM
WD-40 might soften the foamy sticky-pad part if they used double sided sticky-pad thingies and you can stand the smell of WD-40 .
I might also consider a sharp chisel if they are all that petrified.



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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: hal
Date: April 12, 2018 04:08PM
Common alcohol is only 40% - get the 90% version and it'll cut through any adhesive.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: wurm
Date: April 12, 2018 04:17PM
GooGone for the win.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: artie67
Date: April 12, 2018 06:47PM
Used mineral spirits (paint thinner) for years to clean up glue on Formica seams. GooGone is on my shelf and works well. Both are also good for removal of labels. Put on a small paper towel and soak. It will do a good job if repeated.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: rz
Date: April 12, 2018 07:54PM
Yeah, GooGone
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: JoeM
Date: April 12, 2018 07:59PM
Great, thanks so much everyone! This really helps and I now have a few different options I can try.



JoeM
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: Sarcany
Date: April 12, 2018 08:09PM
Neat trick, and pretty cheap: Squirt some hand-sanitizer along the upper edge and tamp it down into the seam with the edge of a spackle/putty knife. Give it about a minute to soften the adhesive and then soak the whole thing in hand-sanitizer and you should find that the putty knife can easily take it off.



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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: N-OS X-tasy!
Date: April 12, 2018 09:21PM
Rub pine sap on it.



It is what it is.



Edited 2 time(s). Last edit at 04/13/2018 11:12AM by N-OS X-tasy!.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: RAMd®d
Date: April 13, 2018 02:29AM
Try a penetrating oil such as PB Blaster. GooGone works on adhesive when it can get to it. Great for when you get the plastic base off the window.

Try a penetrating oil such as PB Blaster.

Try a hair dryer instead of a heat gun. You could still do damage if your careless, but you almost have to try. And I'd try the hair dryer before the PB Blaster.




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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: MacJeepster
Date: April 13, 2018 06:26AM
All these chemicals sound pretty good. First, warm it up with a heat gun or hair dryer, and they'll work better.



-mj



Edited 1 time(s). Last edit at 04/13/2018 09:13AM by MacJeepster.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: tenders
Date: April 13, 2018 06:32AM
Use a razor blade or box knife to cut through the foam, and once the piece has been cut off you'll have clear access to the residual foam to soak in Goo Gone or Goof Off for a couple of hours before easily scraping off at your leisure.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: macphanatic
Date: April 13, 2018 07:48AM
Before using any solution, knowing what it's adhered to is critical. I would apply a small amount of whatever you plan on trying someplace inconspicous before using it, especially if the window frame is plastic or vinyl. Might not damage the window, but could permanently discolor it.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: JoeM
Date: April 13, 2018 11:48AM
Thanks again, hand sanitizer, that's a new one to me. I will give them all a shot until I get one that works.



JoeM
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: RAMd®d
Date: April 15, 2018 07:20AM
Also try using dental floss as a garrote to separate the plastic from the adhesive.




When a good man is hurt,
all who would be called good
must suffer with him.

You and I have memories longer than the road that stretches out ahead.

There is no safety for honest men
except by believing all possible evil
of evil men.

We don’t do focus groups. They just ensure that you don’t offend anyone, and produce bland inoffensive products. —Sir Jonathan Ive

-An armed society is a polite society.
And hope is a lousy defense.

You make me pull, I'll put you down.

Mister, that's a ten-gallon hat on a twenty-gallon head.

I *love* Sigs. It's Glocks I hate.
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Re: Trouble removing old adhesive stick on wired window burglar alarm sensors
Posted by: JoeM
Date: April 16, 2018 09:19AM
Quote
RAMd®d
Also try using dental floss as a garrote to separate the plastic from the adhesive.

Great idea, thanks! The GooGone has been doing the trick so far.



JoeM
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