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Author Topic: renovating fibre glass off topic  (Read 2595 times)

Gylo

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renovating fibre glass off topic
« on: August 29, 2019, 08:20:44 PM »

Does anyone know the best way to renovate fibre glass ? . I have a trailer tent and the outside is factory sprayed white, the finish is very dull.I have polished it with wax but it
Just soakes into the paint work.
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Dentman

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Re: renovating fibre glass off topic
« Reply #1 on: August 29, 2019, 10:00:05 PM »

Is there a Reliant Robin owners club  ???
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nanuq

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Re: renovating fibre glass off topic
« Reply #2 on: August 29, 2019, 11:34:10 PM »

Step 1 - Sanding
Begin the refinishing by sanding the entire surface. Use fine grit sandpaper. Sand the entire surface and do not gouge the fiberglass.

Step 2 - Clean The Surface
Thoroughly clean the surface. Use a clean cotton rag and acetone to rub the entire surface. Doing so will remove greasy residue, allowing the colored gel coat to adhere properly. If any dust remains on the surface, it will have a rough texture after the coating has been applied. Unfortunately your wax will need removing.

Step 3 - Tape Surrounding Area
Cover the area with plastic and tape to seal it. Doing so will protect the environment from dust and overspray.

Step 4 - Spray Gel Coat
Wear a respirator mask because the fumes are very toxic. Fill the gun with the desired gel coat and spray it evenly. It should be thick, but not so thick that it drips. Spray the coat without worrying about covering the entire surface.

Step 5 - Spray Second Coat
Once the first coat dries until it is tacky to the touch, spray a second coat. The second coat should be heavier and cover the entire surface. Do not stop the spray gun in any area.

Step 6 - Spray Third Coat if Necessary
Sometimes the second coat of gel does not completely cover the surface. Let it dry until it is tacky to the touch and apply a third coat. You should not have to apply any more.

Step 7 - Let It Dry and Harden
As the gel coating on the fiberglass dries, it will harden. Once the gel hardens, wipe it with a clean rag and acetone.
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w3526602

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Re: renovating fibre glass off topic
« Reply #3 on: August 30, 2019, 05:08:36 AM »

Step 1 - Sanding
Begin the refinishing by sanding the entire surface. Use fine grit sandpaper. Sand the entire surface and do not gouge the fiberglass.[/b

Hi,

Many yonks ago, I devised a very quick (and expensive) way of removing layers of paint. By that, I mean I could remove a single lpayer of paint at a time (well almost).

1. Take a Dead and Blacker electric drill, and load it with a rubber backing thingy.

2. Then take a sheet of wet'n dry, and cut it accurately into equal width strips (3"?)

3. Poke a small hole dead centre in the middle of one strip.

4. Use that hole to bolt the strip onto the sanding disc, with the "business" side pointing away from the drill.

You now have a sort of propeller type thingy on the end of your drill, only the blades of the propeller are somewhat flappy. However, if you pull the trigger, assuming you are plugged in, centrifugal (sp?) force causes the blades to go rigid, although they are still easily bent.

5. Switch on the drill (after donning your goggles), and GENTLY hit the offending paintwork with the rotating tip of the rotating abrasive sheet.

6. Youv'e removed a single layer of paint, probably a couple of square inches in area, faster than I can hit my keyboard. Not only that, the finished surface is has a lovely matt finish.

7. Do not let the rubber backing disc take any of the pressure, rely entirely on the centrifugal stiffness of the paper backing.

Problem! It don't half gobble up the wet'n dry, although you still should have the middle bit from each strip left to use in the old fashioned way.

602 (I couldn't be naffed to apply for a patent. Feel free!)
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Peter Holden

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Re: renovating fibre glass off topic
« Reply #4 on: August 30, 2019, 07:25:22 AM »

Is it painted or are we talking gel coat.

The advice given to me for our Romahome was to use something like Farecela G3 (dont use Tcut as it contains ammonia and can react with the gel coat), then polish with a really good resin polish.  Repeat the polishing bit regularly to keep the oxidation away.

Peter
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w3526602

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Re: renovating fibre glass off topic
« Reply #5 on: August 30, 2019, 08:04:45 AM »

(dont use Tcut as it contains ammonia and can react with the gel coat

Hi,

I'm pushing my memory banks back by 40 or 50 years. My mate (Gabe) at DVLA (and later the Shipping Office) used fibreglass friendly T-cut ... or maybe it was fibreglass friendly paint stripper ??? ... ponders ... yes I think it was paint stripper. Sorry!

But I'll post this anyway, it might be useful to somebody.

602
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GlenAnderson

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Re: renovating fibre glass off topic
« Reply #6 on: August 30, 2019, 10:27:19 AM »

Clean it up and roller on a coat of “flowcoat”.
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AlexB

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Re: renovating fibre glass off topic
« Reply #7 on: August 30, 2019, 12:10:53 PM »

My dormobile roofs get a coat of anti stone chip then "normal" limestone.

Dead simple quick and cheap
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Gibbo103

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Re: renovating fibre glass off topic
« Reply #8 on: August 31, 2019, 09:59:13 PM »

Sounds good, buts what is “normal limestone”?
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oilstain

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Re: renovating fibre glass off topic
« Reply #9 on: September 01, 2019, 06:56:57 PM »

Depending on how bad it is ???
this stuff can improve the finish
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Gylo

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Re: renovating fibre glass off topic
« Reply #10 on: September 02, 2019, 09:58:43 AM »

Hi
I will certainly not be sanding and repainting , after the weekend at a show in Petworth
I was speaking to some scimitar owners and they use some kind of wax ,And they are
Sending me a sample to use more when I know more,thanks everyone .
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Gylo

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Re: renovating fibre glass off topic
« Reply #11 on: September 02, 2019, 06:54:34 PM »

Is it painted or are we talking gel coat.

The advice given to me for our Romahome was to use something like Farecela G3 (dont use Tcut as it contains ammonia and can react with the gel coat), then polish with a really good resin polish.  Repeat the polishing bit regularly to keep the oxidation away.

Peter


Hi peter it is gel coat , I will get some farecela and give it a try
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AlexB

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Re: renovating fibre glass off topic
« Reply #12 on: September 04, 2019, 12:37:42 PM »

Sounds good, buts what is “normal limestone”?

Apologies
Standard paint - either spray or brush
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