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-   -   How to tell if bathtub is acrylic or fiberglass? (http://www.diychatroom.com/f2/how-tell-if-bathtub-acrylic-fiberglass-182245/)

word2yamutha 06-21-2013 11:39 AM

How to tell if bathtub is acrylic or fiberglass?
 
Hello. I'm not sure where I was suppose to post this in the forums so my best guess was here. I have a tub/shower combo with some hairline cracks in it that I need to repair. I was wondering if there is a way to tell if the material is acrylic or fiberglass so I can determine the correct repair procedure. Thanks

PoleCat 06-21-2013 06:10 PM

Fiberglass has a reek to it. If you are familiar with that particular bouquet then a close olfactory examination will tell you.

word2yamutha 06-22-2013 12:08 PM

I never know fiberglass had a bad smell to it. I honestly don't smell anything because I just cleaned it. Is there any other way to tell?

user1007 06-22-2013 12:36 PM

Fiberglass would display what the name suggests if you were to look at in on edge. Either resin and fiberglass cloth or matting is laid up in a mold or more likely for a tub surround, a slurry is sprayed into one over a gel coat layer.

An acrylic tub and surround would be vacuumed formed over a mold and would be formed out of a sheet of plastic.

ddawg16 06-22-2013 12:39 PM

You need to find a cut opening.....fiberglass will have a few fibers....acrylic will be smoother.

If you can see under it....it's real obvious.....the underside will look like a bunch of straw compacted if it's FG

word2yamutha 06-22-2013 01:22 PM

Well there is no way to get behind it. So Im clueless on what to do

PoleCat 06-22-2013 02:16 PM

You can take off a knob and the escutcheon plate behind it then you will be able to examine the edge of the cut hole.

joecaption 06-22-2013 03:48 PM

If it's cracking it's from the tub not being supported properly.
Applying some form of coating is not going to do anything.

word2yamutha 06-22-2013 07:37 PM

Quote:

Originally Posted by PoleCat (Post 1205574)
You can take off a knob and the escutcheon plate behind it then you will be able to examine the edge of the cut hole.

Lol not sure why I didn't think of that:laughing: Thanks

word2yamutha 06-23-2013 11:15 AM

Turn out to be fiberglass. Any products you guys recommend to fix it?

alexjoe 06-24-2013 12:56 AM

Yeah definitely you can...


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