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Discussion Starter #1
What is your preferred method for removing silicone from the surface of a fiberglass tub or shower?

Can you get it down to no residual?
 

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I Married Up
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...Can you get it down to no residual?
Absolutely!

Test a small area with Xylene. It will definitely cut the silicone. You just want to be sure it doesn't dull the finish of the fiberglass.

A safer route is mineral spirits. Not quite as effortless but the results are just as good. cleanup the mineral spirits with alcohol.

When finished, if you really want to be snazzy, polish the walls of the fiberglass unit with Gel Gloss.
 

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Sillicone is a nasty mess.....

The worst part is it won't stick to itself nor will it allow anything else to stick if any residue is left.

I've used plastic knives from Wendy's to do the scraping and clear primer applied sparingly to a tightly folded rag to remove the residue.

It works, but there has to be a better way.......
 

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The Old (antique) Master
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How long does it take you to clean silicone off with Magic erasers?
The besy way to remove silicone is not get it where you don't want it in the first place. Silicone is quickly removed with a rag or paper towel within seconds of being applied. A trip to the truck to get rag or such is enough time to start the cure, then it's too late. In the case of recaulking bath tubs which plumbers do. Mask off the tub/shower surface and the tile surface with blue painters tape. Leave about 1/4" gap, install the silicone then work it back and forth with a clean finger -- finally strike with a tool [I use a 5/8" hardwod dowel shaped to a radius], all excess goes onto the making tape which you remove immediately at a right angle pull [ have garbage bag ready] and paper towel to wipe striking tool.

Done properly joint will last for years and not grow mildew.
 

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Discussion Starter #9
The besy way to remove silicone is not get it where you don't want it in the first place. Silicone is quickly removed with a rag or paper towel within seconds of being applied. A trip to the truck to get rag or such is enough time to start the cure, then it's too late. In the case of recaulking bath tubs which plumbers do. Mask off the tub/shower surface and the tile surface with blue painters tape. Leave about 1/4" gap, install the silicone then work it back and forth with a clean finger -- finally strike with a tool [I use a 5/8" hardwod dowel shaped to a radius], all excess goes onto the making tape which you remove immediately at a right angle pull [ have garbage bag ready] and paper towel to wipe striking tool.

Done properly joint will last for years and not grow mildew.

Thanks for the tips. I have been meaning to use blue tape, but forget.

What I had yesterday was removing a old shower door, and that is where the silicone was. Old, mildewed nasty, and a complete PITA to clean up. I had my help work it with a 1/1/2 drywall knife, windex and time. I should have had some goo gone, or those magic erase pads ETP mentioned.

I am looking for the best, and quickest method to remove old silicone off a fiberglass tub surface.
 

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I Married Up
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...I am looking for the best, and quickest method to remove old silicone off a fiberglass tub surface.
The mineral spirits and plastic putty knife will do the trick nicely on the fiberglass. I would use a paper towel and xylene on the door frame.

These will both be better than goo gone. Been there done that.
 

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Lead what?
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Last sink I installed, I accidently left a blob of silicone on the edge of the sink, didnt see it until I was cleaning up.. Took a good 20 minutes to remove. I tried using my 'greased lightening' cleaner, and those damn magic erasers.. didn't work so well, but I did manage to get it off.

I also stopped carrying goo gone because it doesnt work on half of the stuff. Doesnt even take off ABS glue. Thanks for the mineral spirits tip!

Using a torch really seems scary on fiberglass IMO.
 

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I've never had an issue with that citrus Goo gone, after ripping as much slicone out as possible, I dump that stuff on and let it sit for 10 minutes...

All comes up and it don't smell to bad or get your head messed up...
 

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Discussion Starter #15
Hmm I haven't had this problem with "Plumbers Putty" :whistling2:

You use plumbers putty to install shower doors? :eek:

That is one mean trick.

I use putty on all my drain now. Ever since I made the switch to my own, I figured I would give it a try, and it is so much better. I like the idea I can walk out to my van and come back and finish the drain without the silicone setting up.
 

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Anyone ever tried acetone? I'm sure it would work, but not so sure as to what it would do to the f/g.

Ever tried to remove tapecoat from copper pipe? Next to impossible! The only thing I found after trying for days was, like stated, PVC primer. That stuff is STICKY!
 

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Anyone ever tried acetone? I'm sure it would work, but not so sure as to what it would do to the f/g.

Ever tried to remove tapecoat from copper pipe? Next to impossible! The only thing I found after trying for days was, like stated, PVC primer. That stuff is STICKY!
when you say tapecoat, do you mean the leftover glue from tape or a sticker? I just hit it with the torch then whipe it of and clean the pipe as usual.
 

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every tool is a hammer
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Anyone ever tried acetone? I'm sure it would work, but not so sure as to what it would do to the f/g.

Ever tried to remove tapecoat from copper pipe? Next to impossible! The only thing I found after trying for days was, like stated, PVC primer. That stuff is STICKY!
tapecoat can be used instead of doublesided mastic under a roof flashing!
 

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You use plumbers putty to install shower doors? :eek:

That is one mean trick.
What makes you think I was talking to you.... :whistling2:

Last sink I installed, I accidently left a blob of silicone on the edge of the sink, didnt see it until I was cleaning up.. Took a good 20 minutes to remove. I tried using my 'greased lightening' cleaner, and those damn magic erasers.. didn't work so well, but I did manage to get it off.
 
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