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Need some advice on bath tub issue.... - 3/22/2017 6:54:34 AM   
jlf1961


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I recently came into possession a huge soaking bathtub, at zero cost....

The tub is a fiberglass unit.

And god knows how, but there are numerous stains in the bottom of the tub that defy all efforts at removal.

I have since come to the conclusion that a refinish is needed.

So, what does refinishing a fiberglass bathtub entail?

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RE: Need some advice on bath tub issue.... - 3/22/2017 7:18:17 AM   
Lucylastic


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http://www.doityourself.com/stry/how-to-refinish-a-fiberglass-bathtub
might help
I came across a couple of company videos, but was thinking of the cash outlay.

Ive been thinking about mine altho its enamel. so I had the site saved.

Look after your back if you do it yourself

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RE: Need some advice on bath tub issue.... - 3/22/2017 7:31:28 AM   
DesFIP


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I don't recommend it because of how toxic the chemicals are. Your health is of more value.

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RE: Need some advice on bath tub issue.... - 3/22/2017 7:36:41 AM   
NoirMetal


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quote:

ORIGINAL: DesFIP

I don't recommend it because of how toxic the chemicals are. Your health is of more value.

depends on if he does it outside,and can get the proper chemical mask. Maybe take it to a specialist.

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RE: Need some advice on bath tub issue.... - 3/22/2017 8:17:03 AM   
jlf1961


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would be done outside...

However, I was informed that white vinegar and hot water might do the trick at getting rid of the stains.

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Boy, it sure would be nice if we had some grenades, don't you think?

You cannot control who comes into your life, but you can control which airlock you throw them out of.

Paranoid Paramilitary Gun Loving Conspiracy Theorist AND EQUAL OPPORTUNI

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RE: Need some advice on bath tub issue.... - 3/22/2017 8:18:32 AM   
NoirMetal


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quote:

ORIGINAL: jlf1961

would be done outside...

However, I was informed that white vinegar and hot water might do the trick at getting rid of the stains.

iIf its grease it might pull them up-avoid acetone at all costs,dissolves fiberglass resin.

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RE: Need some advice on bath tub issue.... - 3/22/2017 8:21:09 AM   
mnottertail


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there is a product called whink comes in a copper colored plastic bottle. a little less agressive is CLR i would try those first. let them sit for some time. whink can be gotten about anywhere it is in grocery stores etc.
A little dab will do ya.

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RE: Need some advice on bath tub issue.... - 3/22/2017 8:54:29 AM   
jlf1961


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quote:

ORIGINAL: NoirMetal


quote:

ORIGINAL: jlf1961

would be done outside...

However, I was informed that white vinegar and hot water might do the trick at getting rid of the stains.

iIf its grease it might pull them up-avoid acetone at all costs,dissolves fiberglass resin.



not grease.

funny thing is that mean green is what I used to use to take algae stains off boat hulls.

And to be really honest, if I could get some gelcoat hull paint, I would use it in a heartbeat. That stuff is strong, durable and stands up to salt water, heavy seas, and even resists scrub marks from bumpers.

_____________________________

Boy, it sure would be nice if we had some grenades, don't you think?

You cannot control who comes into your life, but you can control which airlock you throw them out of.

Paranoid Paramilitary Gun Loving Conspiracy Theorist AND EQUAL OPPORTUNI

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RE: Need some advice on bath tub issue.... - 3/22/2017 10:34:49 AM   
WhoreMods


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quote:

ORIGINAL: NoirMetal


quote:

ORIGINAL: DesFIP

I don't recommend it because of how toxic the chemicals are. Your health is of more value.

depends on if he does it outside,and can get the proper chemical mask. Maybe take it to a specialist.

Maybe thinking more of lingering traces left in the bath and dissolving into the water the next time it's used than of inhalation?

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RE: Need some advice on bath tub issue.... - 3/22/2017 10:43:16 AM   
Lucylastic


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DOnt play with fibre glass, it gets everywhere and itches like a fucking bitch...my dad made fiberglass canoes when I was a kid....speaking from personal experience.
I used to like the fumes, but today, I would be realllllllly ill.

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RE: Need some advice on bath tub issue.... - 3/22/2017 10:46:17 AM   
WhoreMods


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So anything which strip any of whatever it's laminated or lacquered with over the top is a bad idea, then.
I wonder if that simple green degreaser might shift the stains without taking too much of the surface off? That's meant to pretty decent stuff, and is alleged to be nontoxic.

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RE: Need some advice on bath tub issue.... - 3/22/2017 6:10:18 PM   
MasterG2kTR


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I know there are paints specifically engineered for bathtubs to refinish them, but I don't know if they work on fiberglass. You would have to research that yourself. I do know people who have used the paint and really like it.

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RE: Need some advice on bath tub issue.... - 3/22/2017 8:34:46 PM   
DesFIP


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The stuff will all evaporate. But breathing it, skin exposure, eye exposure - they all scare me half to death. I'd want to be in a haz mat suit, myself.

Things like this I take to shops which are set up to handle this. Huge air exchangers to begin with.

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RE: Need some advice on bath tub issue.... - 3/23/2017 12:10:47 AM   
epiphiny43


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Lucy's link is correct. (http://www.doityourself.com/stry/how-to-refinish-a-fiberglass-bathtub ) You want an activated carbon cartridge solvent safety mask. If it doesn't fit tight around your face and against your nose, it does little good.
Using a spray gun without safety googles is retarded.
A cheap paper set of sanding/spray overalls saves clothes and most toxic exposure. It Ain't that toxic! Friends are over 60 who haven't used masks and work with fiberglass and resin every day, since the 60s. We don't want to know what their liver looks like, however. You can use a brush if a cheap Harbor Freight spray gun and a source of compressed air isn't available. Expect to sand out brush marks with affordable brushes. I do this professionally with expensive brushes and would never guarantee the vertical walls to come out nice without re-sanding. If the tub can be rotated paint each surface when level/flat. Do the next as soon as it starts getting tacky and won't run.
Your finish won't come out any better than your sanding job. 200/250 grit should be fine. Change sandpaper when it clogs and stops cutting well. NO swirls and gouges, use a soft backed random orbital sander attachment. Hand sand the corners where the power tool doesn't fit. You are through when all the shiny is scratched off, and the dirty coating is removed. Good light is essential. Take breaks if your back or other muscles involved in sanding start talking to you. They'll be louder later.
ACETONE DOES NOT ATTACK FIBERGLASS OR ANY RESIN MATRIX IT'S USED WITH. Anyone who works with the materials knows better. Acetone is also a normal part of our internal metabolism, but in Smaller quantities! Don't freak if some splashes on you. Don't promote it either. The resin is worse, and no more toxic than any number of 'household products' under most kitchen and bathroom sinks. Half of these are likely to kill your pet birds, and are poisoning your children. And the Combover is annihilating the EPA . . . YOU don't have to be a retard, research what you put in your home's air, and on your skin.
The various laminating and gel coating materials are potentially toxic. The resin catalyst is the worst (Methyl Ethyl Ketone Peroxide), handle Only with barrier gloves on! A good policy for all fiber laminating materials or coatings over them. I use a holding tool or wrap as the MEKP tends to run down the sides of the small squeeze bottles you buy and dispense it from. DROPS, not squirts, or the gel coat goes off in your gun before you are finished spraying. Find directions for the product. Read them. Follow them.
Test your barrier gloves before working. Many dissolve in the common polyester resin, due to the styrene in the mix. Some won't tolerate acetone. I use the yellow kitchen gloves if a box of suitable disposable gloves aren't at hand, but some brands tend to leave yellow spots on work once the gloves have been exposed to solvents. Disposable mechanic's barrier gloves are cheap and if chemical resistant, my choice for their tear resistance. Dispose instead of clean with fresh solvent. An argument for cheap 'chip brushes' if not spraying from a gun.
You NEED solvent to keep the spray gun working. Clean after each use before the gel coat hardens in the gun. If a coat needs more sanding from your learning curve, you have to let it cure to fairly hard, then scratch the whole surface if the next coat is to bond. This goes fast with clean paper and sanding at the earliest possible time. If the sand paper is clogging badly, you are too early. You want dry dust but easy cutting. Use firm blocks wrapped in paper to flatten off brush marks. STOP sanding when its flat, before you go through to the old surface. A side light helps greatly when sanding.
Susceptibility to fiber glass particle itch is avoided in you only sand the existing gel coat, NOT sanding into the fiberglass. Even when into the glass fibers, some itch badly, others never notice. Washing off with cold water works better. Hot water opens all the skin pores and the smaller fiberglass bits don't get washed off. See above on paper barrier suits. Last one I bought was ~$5.

Before sanding and refinishing, try various cleaners. 409, Boat hull cleaners (Expect to get raped by boat supply houses, it's their tradition.) Simple Green, Acetone. MEK if you know where to get it, and have access to a good mask. Stay UPWIND of all solvents in use. USE Gloves. (MEK is not MEKP, the polyester catalyst!)

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RE: Need some advice on bath tub issue.... - 3/23/2017 1:55:23 PM   
Hillwilliam


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quote:

ORIGINAL: mnottertail

there is a product called whink comes in a copper colored plastic bottle. a little less agressive is CLR i would try those first. let them sit for some time. whink can be gotten about anywhere it is in grocery stores etc.
A little dab will do ya.

Whink is a Hydrofluoric acid solution.

I'm really surprised that it's legal to sell the stuff.

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RE: Need some advice on bath tub issue.... - 3/23/2017 8:36:19 PM   
DesFIP


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It probably isn't in California. They take carcinogens seriously.

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RE: Need some advice on bath tub issue.... - 3/24/2017 5:25:24 PM   
dcnovice


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FR

Just a thought.



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RE: Need some advice on bath tub issue.... - 3/24/2017 5:46:05 PM   
Hillwilliam


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quote:

ORIGINAL: DesFIP

It probably isn't in California. They take carcinogens seriously.

It's not a carcinogen. It's a helluva lot faster. The Fluoride ion is a Calcium seeker. It binds to Ca+ in your bloodstream and wherever else it can find it.
If it finds enough, it messes with your Ca+ balance and muscle contractions stop..............including your heart.

_____________________________

Kinkier than a cheap garden hose.

Whoever said "Religion is the opiate of the masses" never heard Right Wing talk radio.

Don't blame me, I voted for Gary Johnson.

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RE: Need some advice on bath tub issue.... - 3/24/2017 5:49:30 PM   
jlf1961


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From: Somewhere Texas
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quote:

ORIGINAL: Hillwilliam


quote:

ORIGINAL: DesFIP

It probably isn't in California. They take carcinogens seriously.

It's not a carcinogen. It's a helluva lot faster. The Fluoride ion is a Calcium seeker. It binds to Ca+ in your bloodstream and wherever else it can find it.
If it finds enough, it messes with your Ca+ balance and muscle contractions stop..............including your heart.



I want to clean up a bathtub, not kill myself in the process....

Of course, there are some that would think the elimination of one more gun lunatic is a good thing.

_____________________________

Boy, it sure would be nice if we had some grenades, don't you think?

You cannot control who comes into your life, but you can control which airlock you throw them out of.

Paranoid Paramilitary Gun Loving Conspiracy Theorist AND EQUAL OPPORTUNI

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RE: Need some advice on bath tub issue.... - 3/24/2017 6:53:34 PM   
Hillwilliam


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quote:

ORIGINAL: jlf1961


quote:

ORIGINAL: Hillwilliam


quote:

ORIGINAL: DesFIP

It probably isn't in California. They take carcinogens seriously.

It's not a carcinogen. It's a helluva lot faster. The Fluoride ion is a Calcium seeker. It binds to Ca+ in your bloodstream and wherever else it can find it.
If it finds enough, it messes with your Ca+ balance and muscle contractions stop..............including your heart.



I want to clean up a bathtub, not kill myself in the process....

Of course, there are some that would think the elimination of one more gun lunatic is a good thing.

Avoid HF unless you have some Calcium Gluconate on hand. It's about $30 for a 1 oz tube but if you work with the stuff, it's worthwhile. I have some in the lab.

_____________________________

Kinkier than a cheap garden hose.

Whoever said "Religion is the opiate of the masses" never heard Right Wing talk radio.

Don't blame me, I voted for Gary Johnson.

(in reply to jlf1961)
Profile   Post #: 20
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