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Old 20-09-2018, 05:36 PM   #1
Al_G
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Plexi/Perspex Wet & Dry

Following on from a previous thread Iím going to attempt to wet and dry the plastic spoiler on my FN2 in an attempt to remove the original rain repellent coating.

To cut a long story short it was scratched and a replacement is £900 for parts alone. The way I see it Iíve got nothing to lose by sanding and polishing away the remaining coating.

The plan is to mask up the immediate area and remove the spoiler. Iíll then tackle with 1500 wet and dry moving on to 2500. Once sanded I was planning on using G3 liquid and the 3 stage compound set that AF sell with my DA (not forgetting using plenty of water). I also have some SRP, Plastx and Quixx acrylic if needed.

Any words of advice before I start the job on Saturday? Itís not a massive area so Iím hoping it wonít take longer than a day. The small area Iíve already done using 2500 grit came up well (albeit the 2500 cut wasnít great hence why Iím going to start with 1500).







Any thoughts would be greatly appreciated.
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Old 23-09-2018, 05:57 PM   #2
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Well thatís didnít go to plan...Coating is far too stuborn to remove by hand. Will be buying a new one from Honda. Canít believe the parts alone are £850!!!
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Old 23-09-2018, 06:54 PM   #3
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Is it not worth seeing if a pro can remove the scratches for you or a body shop ?

Might be significantly cheaper than new parts...
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Old 23-09-2018, 07:04 PM   #4
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Originally Posted by Andyblue View Post
Is it not worth seeing if a pro can remove the scratches for you or a body shop ?

Might be significantly cheaper than new parts...


Tried my local body shop and they said the amount of labour and time would outstrip the cost of window.

Fitting isnít too bad (£200), itís the parts which are hideously overpriced. I can imagine the profit margin is scandalous...No way did Honda part the part manufacturer (German firm) £640 for a tinted Perspex lower window/spoiler.
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Old 24-09-2018, 07:20 AM   #5
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Ouch thatís an expensive scratch - difficult to see it on the phone, but does is it not liveable with ?
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Old 24-09-2018, 04:23 PM   #6
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Ouch thatís an expensive scratch - difficult to see it on the phone, but does is it not liveable with ?


Not now I sanded it all down unfortunately. You live and learn.
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Old 24-09-2018, 08:32 PM   #7
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Where are you based? I think its worth you going to a professional (not a bodyshop) to get advice.
Reading your post, I'm not surprised you haven't removed the sanding marks with that combo, and the way you stated "plenty of water" which is the exact opposite of what you need to do for consistent cut with modern liquids.

Given you aren't sure about the machining part I'm assuming perhaps you are not fully practiced at wet sanding? It will cost you nothing other than a small amount of time, to visit a local pro and explain what you want, why you want it, and what you have tried. And it may save you a good amount of money too
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Old 24-09-2018, 08:39 PM   #8
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Where are you based? I think its worth you going to a professional (not a bodyshop) to get advice.

Reading your post, I'm not surprised you haven't removed the sanding marks with that combo, and the way you stated "plenty of water" which is the exact opposite of what you need to do for consistent cut with modern liquids.



Given you aren't sure about the machining part I'm assuming perhaps you are not fully practiced at wet sanding? It will cost you nothing other than a small amount of time, to visit a local pro and explain what you want, why you want it, and what you have tried. And it may save you a good amount of money too

Nope, Iím an amateur when it comes to bodywork. I was told by my local body shop not to bother attempting a repair because the man hours would outweigh the cost of a replacement though.

I purchased new parts today. To the grand tune of £810 lol.
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Old 24-09-2018, 08:47 PM   #9
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Quote:
Originally Posted by Al_G View Post
Nope, Iím an amateur when it comes to bodywork. I was told by my local body shop not to bother attempting a repair because the man hours would outweigh the cost of a replacement though.

I purchased new parts today. To the grand tune of £810 lol.
I still maintain its worth going to see a professional for a second opinion, it wont cost anything. If they agree, nothing lost, if they don't I promise it wont be nearly a grand to sand and polish a rear screen.

As for your bodyshop, I cant help but think they simply don't want that job. they wont charge that to "mop" a full car let alone a rear screen. I think its just not worth it to them
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Old 24-09-2018, 08:49 PM   #10
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I still maintain its worth going to see a professional for a second opinion, it wont cost anything. If they agree, nothing lost, if they don't I promise it wont be nearly a grand to sand and polish a rear screen.



As for your bodyshop, I cant help but think they simply don't want that job. they wont charge that to "mop" a full car let alone a rear screen. I think its just not worth it to them

It wasnít just that bit they quoted on...They quoted on respraying a rear arch, wing and replacement window...work minus the window came to £700...£1k all in + parts (£810)
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