The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

Thanks for your time and help!
-dan z-


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On Apr 23, 2:07*pm, slate_leeper wrote:
The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

Thanks for your time and help!
-dan z-

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Let the politicians know how you feel.
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If tub is ceramic a sharp razorblade will do it. Residue could be
cleaned with paint remover.

slate_leeper wrote:
The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.


First, be sure that the tub actually IS fiberglass. Not saying it isn't but
I'd think it is more likely acrylic.

Either way it can be physically removed. The coarser the material you use
the more damage will be done to the fiberglass (or acrylic). That damage
can be polished out with finer and finer materials.

If there isn't all that much, you could use auto rubbing compound on a pad.
It will physically abrade the poly AND the fiberglass but is fine enough so
that the abrasion on the fiberglass won't show, it will be polished. Try
first on an inconspicuous area.
If there is a LOT of poly, you could do the same thing with a small lambs
wool bonnet on a polisher at a SLOOOOW speed. You have to be careful to
neither cut through the gel coat nor heat it (friction).

I have a fiberglass table on the lanai and sometimes manage to get a
cigarette burn on it; easily removed with rubbing compound and a buffing
wheel on a Dremel tool.

The alternative to physical removal is chemical paint removers but I don't
know how they behave with fiberglass - which is polyester resin - or
acrylic; styrene can be used as a thinner for polyester resin, don't know
what it does to cured polyester.


--

dadiOH
____________________________

dadiOH's dandies v3.06...
....a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it at http://mysite.verizon.net/xico

On Apr 23, 5:24*pm, "dadiOH" wrote:
slate_leeper wrote:
The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

First, be sure that the tub actually IS fiberglass. *Not saying it isn't but
I'd think it is more likely acrylic.

Either way it can be physically removed. *The coarser the material you use
the more damage will be done to the fiberglass (or acrylic). *That damage
can be polished out with finer and finer materials.

If there isn't all that much, you could use auto rubbing compound on a pad..
It will physically abrade the poly AND the fiberglass but is fine enough so
that the abrasion on the fiberglass won't show, it will be polished. *Try
first on an inconspicuous area.
If there is a LOT of poly, you could do the same thing with a small lambs
wool bonnet on a polisher at a SLOOOOW speed. *You have to be careful to
neither cut through the gel coat nor heat it (friction).

I have a fiberglass table on the lanai and sometimes manage to get a
cigarette burn on it; easily removed with rubbing compound and a buffing
wheel on a Dremel tool.

The alternative to physical removal is chemical paint removers but I don't
know how they behave with fiberglass - which is polyester resin - or
acrylic; styrene can be used as a thinner for polyester resin, don't know
what it does to cured polyester.

--

dadiOH
____________________________

dadiOH's dandies v3.06...
...a help file of info about MP3s, recording from
LP/cassette and tips & tricks on this and that.
Get it athttp://mysite.verizon.net/xico

I didnt see the part it was fiberglass so , im wrong.

On Apr 23, 2:07*pm, slate_leeper wrote:
The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

Thanks for your time and help!
-dan z-

--
Protect your civil rights!
Let the politicians know how you feel.
Join or donate to the NRA today!http://membership.nrahq.org/default....ignid=XR014887

Removing the nasties on this tub is so likely to turn out badly, it
might be wise to live with it for a while. Consider a fancier shower
curtain, kept closed, for example. Eventually a bathroom remodel will
mean a new tub, and your problems will then be history. Meanwhile, you
have my sympathy.

Joe

Joe wrote:
On Apr 23, 2:07 pm, slate_leeper wrote:
The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

Thanks for your time and help!
-dan z-

--
Protect your civil rights!
Let the politicians know how you feel.
Join or donate to the NRA today!http://membership.nrahq.org/default....ignid=XR014887

Removing the nasties on this tub is so likely to turn out badly, it
might be wise to live with it for a while. Consider a fancier shower
curtain, kept closed, for example. Eventually a bathroom remodel will
mean a new tub, and your problems will then be history. Meanwhile, you
have my sympathy.

Joe

I've been following this thread, trying to wrap my mind around the
concept of putting poly over cedar.

As to OPs basic problem- I'd try careful scraping with a razor blade in
one of those handle things, and then a good coat of wax (on side walls
only, of course.) OP can also get a can of spray paint in a matching
color, from a boat or RV shop that works on plastic toys. (As a kid, I
was able to match an obscure shade of tan on a boat side rail with no
problem. Patch vanished.)

But previous poster is right- unlikely visitors will notice or care, if
they can get past the shiny cedar.

--
aem sends...

On Wed, 23 Apr 2008 19:07:10 GMT, slate_leeper
wrote:

The previous owner of my house had cedar boards put over the drywall
in the bathrooms, then applied polyurethane to them himself.
Unfortunately, he hadn't heard of that marvelous new invention called
masking tape.

Is there any way to remove the drips and overlaps of polyurethane from
the fiberglass bathtub and other areas without hurting the tub? The
yellowish polyurethane really looks ugly on the white tub.

Thanks for your time and help!
-dan z-


Hi all,

Thanks much for your help! I tried a couple of the suggestions, and
found that very careful use of the razor blade did remove most of the
polyurethane nicely. Holding the blade at a very shallow angle was
important. Sometimes scraping the blade backwards, as if sharpening
it, worked best. This was where the brush strokes were thinnest. Heavy
areas, such as drips, just popped right off when using the razor. I've
got most of the polyurethane off one of the tubs and also the shower
stall. Still working on the other tub.

I also liked the paint-over-it idea, and will probably do this in a
couple of spots that I can't reach with the razor blade.

BTW, I am somewhat of a perfectionist when it comes to my house, and
when I see something like this it keeps bothering me until I HAVE to
fix it. Waiting until the tub needs replacing is not an option.

As far as putting polyurethane over cedar - perhaps he did it in the
bathrooms to prevent mold/mildew on damp raw wood? Anyhow, I actually
like the looks of it better than the raw wood, which is still in one
of the bedrooms. I will be applying polyurethane in there too.
Fortunately, I have heard of masking tape G.

Thanks again for your thoughtful assistance!
-dan z-


--
Protect your civil rights!
Let the politicians know how you feel.
Join or donate to the NRA today!
http://membership.nrahq.org/default....ignid=XR014887