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  Topic Review (Newest First)
11-15-2015 07:19 PM
okiedokie
Re: Tips For Compound, Polish & Wax

First of all. Thank you for the detailed instructions. I am attempting to restore the oxidized gel coat on a boat that is new to me earlier this year.

I tried a couple of test spots today with mixed results. The good news is that there is a big improvement for sure. The bad news is that I didn't get the results I was after. I am sure I'm not doing something right...

I got all the Presta products (Gel coat compound, UCC, Chroma Ultra Finish) and 3M wool pads, and a Flex PE14-2-150. Before trying on my boat I tested the UCC and Chroma on the hood of my neglected 1997 Jeep with stellar results. I used Lake Country CCS 3" foam pads and the hood came out looking like a mirror on my first try.

On the boat I taped off an area and first did gel coat compound with the white wool 05711 on about 4 speed (1500 RPM). I did about 3 passes each of up/down and side/side. I wiped clean and switched to UCC and yellow wool 05713 and did the same and slowed down to about 3 speed (1200 RPM) for the final pass or two. At this point things were looking nice an shiny from right in front, but from the angle opposite the light I could see swirls and what looks like side-to-side and up/down lines (halogen work lights since I am indoors). From behind the light it actually looks great. I thought I was making progress and the Chroma Ultra Polish would clean things up. I tried the Chroma with the 3M 05733 Ultrafine foam polishing pad and it did not turn out right. It was very dull and very difficult to remove the product. I ended up going back over the area with UCC and yellow wool again it came back the way it was before and I stopped there.

What could I have done wrong with the Chroma? Like I said, I tried it on the car hood and it worked beautifully.

I have attached a before pic, after pic good angle, after pic bad angle, and another after pic good angle after I did the next area.


Any thought?
10-24-2015 07:38 AM
Maine Sail
Re: Tips For Compound, Polish & Wax

Quote:
Originally Posted by Bruce3966 View Post
Maine Sail, if my Finesse II step is not shiny even after wiping down the hull with denatured alcohol, what did I do wrong?

Wouldn't you think that even if you didn't do the Finesse step that using Collinite wax after the compounding stage your hull would be pretty shiny? I think I might have screwed up and used 3M Restorer & Wax instead of straight 3M compound--or not?

Without knowing exactly what you did, with details, it is impossible to say where it went bad. I can say that many hundreds of folks have used these instructions and had stunning results..
10-21-2015 02:20 PM
Bruce3966
Re: Tips For Compound, Polish & Wax

Maine Sail, if my Finesse II step is not shiny even after wiping down the hull with denatured alcohol, what did I do wrong?

Wouldn't you think that even if you didn't do the Finesse step that using Collinite wax after the compounding stage your hull would be pretty shiny? I think I might have screwed up and used 3M Restorer & Wax instead of straight 3M compound--or not?
10-08-2015 08:57 PM
MikeK2B
Re: Tips For Compound, Polish & Wax

This is awesome stuff.

I am going to detail my '83 Pearson with a moderately oxidized hull. The PO babied her so there is still a shine; but, it will benefit from a Maine Sail detail.

I'm thinking two passes of Presta Ultra Cutting Creme followed by the 885 Fleetwax (1 coat this fall, 1 coat in the spring before launch).

The two passes of Presta Ultra Cutting is based on one of the previous posts. After I do those I'll evaluate and see if Chroma 1500 is needed.

My question: what pads should I use? I'd like to use Presta brand since I'm ordering anyway - just can't seem to find the correct equivalent. If I was using 3M it seems I should use the yellow wool for the Ultra Cutting Creme.

Any input? Thanks in advance.

Mike
Bristol, RI
07-15-2015 01:34 PM
MarkSF
Re: Tips For Compound, Polish & Wax

I just got a good deal on the Presta products, and 3M buffing/polishing pads, from National Tool Warehouse. If you sign up for e-mail updates, you get free shipping over $100.

Going to try the buffing & polishing process this weekend. I've already wet sanded to 800 grit. Maybe one more sanding step at 1000, before I start with the gel coat compound. Does anyone know if it cuts through 800 grit scratches, or do I really need to sand with 1000?
07-05-2015 06:26 PM
dsmauney
Re: Tips For Compound, Polish & Wax

I have a question between the polishing step with 3M Finesse It and the Fleet wax waxing stage. If I don't take the polishing to dry then that leaves a residue of Finesse it which when it drys is a bear to wash off. What do I need to do to get rid of the Finesse it residue before I wax the boat. Thanks

Good Winds
DaveM
06-26-2015 11:25 AM
Captainmeme
Re: Tips For Compound, Polish & Wax

Quote:
Originally Posted by CapnRed View Post
Excellent thread. I'm getting ready to start a gelcoat restoration project on my Merit 25. I have a quick question. I am using a Milwaukee 5540 polisher, which is 7". Can anyone recommend some good quality 7" wool compounding and polishing pads? 3M doesn't make 7" versions of the pads recommended in the OP. Looking around online it seems that 9" is much more common. The 7" pads I've come across look fairly cheap.
I bought my pads at NAPA auto store. The pads are made by SM Arnold. SM Arnold online catalog list several types of buffing and polishing pads with diameters of 7.5 inches. I have no complaints of the results using these pads for polishing and waxing my boat.

Stumbled across this on line place that carries SM Arnold and a host of other pads and stuff.
http://www.diycleaning.com/
No connection to NAPA or SM Arnold or diycleaning.
06-26-2015 11:06 AM
engineer_sailor
Re: Tips For Compound, Polish & Wax

I followed MaineSail's instructions on our Cat 27 and the results were great. Ultra Cutting Creme was hard to track down but worked amazingly in the two step cutting creme + fleet wax. I think a light round of compounding might have helped in some spots. We spring for the Makita polisher which was worth every penny as are the 3M pads.
06-26-2015 11:00 AM
CapnRed
Re: Tips For Compound, Polish & Wax

Excellent thread. I'm getting ready to start a gelcoat restoration project on my Merit 25. I have a quick question. I am using a Milwaukee 5540 polisher, which is 7". Can anyone recommend some good quality 7" wool compounding and polishing pads? 3M doesn't make 7" versions of the pads recommended in the OP. Looking around online it seems that 9" is much more common. The 7" pads I've come across look fairly cheap.
06-03-2015 05:24 PM
jimsair
Re: Tips For Compound, Polish & Wax

Quote:
Originally Posted by Maine Sail View Post
Do some tests areas.

Ultra Cutting Creme with yellow wool

if that does not cut it

Gelcoat Compound with yellow wool

If that does not cut it

Gelcoat Compound with white wool

Thank you for your reply. If I may Ask one more question....... If I only compound with Gelcoat compound and white wool, can I then go straight to Chroma 1500 with yellow wool? Will the Chroma remove the swirls from the heavy compound or do I need to use the UCC as an intermediate step?

And lastly, will the Chroma 1500 work well with the yellow wool or should I also apply it with a less abrasive pad? Sorry for all the questions.... I just want to do it right!

Thanks'

Jim
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